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Terms of Use

The agreement between you and Coasty Systems, Inc. for using Coarena: what you license when you sign in, what ships to labs, how to withdraw, and the legal terms.

Last updated October 25, 2026

Contents

  1. Who you are dealing with
  2. Agreement to these terms
  3. Who may use Coarena
  4. Changes to these terms
  5. Your content and the licence you grant
  6. What ships to labs
  7. Withdrawal
  8. Tasks, agents and third-party websites
  9. Judging
  10. Acceptable use
  11. Copyright
  12. Third-party websites and resources
  13. Third-party model outputs
  14. Fees and feedback
  15. Termination
  16. Warranty disclaimers
  17. Indemnity
  18. Limitation of liability
  19. Governing law and disputes
  20. Legal basis for processing
  21. If you are in Canada
  22. General terms
  23. Every consent version
  24. Contact

Who you are dealing with

Coarena is a product built, owned and operated by Coasty Systems, Inc. (“Coasty”, “we”, “us”), which owns the arena, its software and every dataset assembled from it. Your agreement is with Coasty Systems, Inc.: the party that receives the licence you grant, licenses datasets to AI labs, and receives your withdrawal. The website at coarena.ai and the arena it runs are the “Services”.

Coasty also builds its own computer-use agent; what it may do in the arena is set out on the governance page.

Agreement to these terms

Important notice for users in the United States: by agreeing to these terms you agree, with limited exceptions, to resolve any dispute with Coasty through binding individual arbitration rather than in court, unless you opt out within 30 days. See Governing law and disputes.

By using the Services you agree to these terms, effective October 25, 2026. If you do not agree, do not use the Services.

Watching needs no account. Posting a task or judging a battle needs one, and creating it is the consent: the sentence in Every consent version sits beneath the sign-in button, and pressing the button is the agreement. There is no opt-out that keeps participation; if you do not want the licence below, do not sign in.

That sentence is versioned, archived verbatim and pinned by digest. When it changes, posting and judging pause until you agree to the new one. Where it and the prose of these terms address the same subject, the sentence you accepted controls.

Our Privacy Policy sets out how we handle personal information and forms part of these terms.

Who may use Coarena

You may use the Services only if you are 18 or older, able to form a binding contract with Coasty, and not barred from using the Services under applicable law.

Changes to these terms

We may update these terms by posting them here and changing the date at the top, and may also tell you in other ways. Continuing to use the Services after an update means you accept it; if you do not, stop using them.

A change that widens the licence you granted needs a new consent version and your renewed acceptance; posting it is not enough. We may otherwise change or discontinue any part of the Services at any time.

Your content and the licence you grant

Your content. Tasks, votes, annotations, step verdicts, attached files and anything else you make available through the Services, other than feedback, are your “User Content”. Coasty does not claim ownership of it and nothing here restricts your rights in it. You are solely responsible for it.

The licence. By making User Content available through the Services, you grant Coasty Systems, Inc. a non-exclusive, transferable, worldwide, fully paid-up, royalty-free licence, with the right to sublicense through multiple tiers, to use, copy, modify, create derivative works based upon, distribute, publicly display, publicly perform, exploit and commercialise your User Content for the purpose of building, operating and licensing research datasets derived from the Services, and to operate and improve the Services. This includes the right to license those datasets to third parties, including AI laboratories, for fees that Coasty charges and retains.

The licence, and your right to withdraw it, cover:

  • tasks you submitted
  • votes you cast
  • annotations you placed
  • step verdicts you gave
  • clicks you contributed
  • files you attached to a task
  • the memory note you save, as it appears in the battles you start
  • the signed-in session kept between follow-ups (saved sign-ins themselves are never licensed; revoke them in /vault)

You are not entitled to any compensation, royalty or revenue share from Coasty or any third party for any use or commercialisation of your User Content.

The licence is revocable at any time (Withdrawal). It does not let Coasty use your name, username, image, likeness or voice for advertising or promotion.

Files you attach

Files you attach are saved with the task in private storage and are not deleted on a schedule. What an agent reads from a file reaches its model provider. Files are covered by the licence and may be included in datasets. You can remove a file before it is attached to a task that runs.

Saved sign-ins and agent memory

On the memory and credentials page you can save up to 25 sign-ins for named sites (a username, password or token) and a memory note of up to 4,000 characters, both covered by your sign-in consent. You can remove a sign-in or edit your memory at any time.

Memory is added, as it stood when the battle began, to both agents’ instructions in every battle you start. It reaches their model providers, and agents may repeat it in reasoning recorded with the battle and covered by the licence.

A saved sign-in is encrypted before storage. The agent asks for it by name and never learns the value; our system types it, and the screenshot of that moment is never kept. On a desktop battle, frames after a sign-in is typed are withheld for the rest of the run. A battle using a saved sign-in, and every follow-up, is private: never offered to judges, never in a dataset, its frames kept for you alone. Its signed-in machine state is kept sealed for up to 7 days so follow-ups can continue, and is erased if you withdraw.

Saved sign-ins are not offered on a phone battle, and files cannot be attached to one.

Who else can see a battle you post

Two separate permissions; neither implies the other.

Offering it for judging. The box is ticked by default when you post. Other signed-in judges can then open the battle and see the replay, without being told which models ran it or who posted it. That includes desktop and phone battles, whose frames no detector has scanned, so offer one only if the task touched nothing you would mind a stranger seeing. Offering publishes nothing: there is no public link, preview card or index, and anyone without an account is refused. Untick the box and the battle stays yours alone. Offering is one-way, because withdrawing it would strand labels judges gave in good faith.

Publishing a result card. Only if you choose to after the result is in, you can publish a card for one of your battles at a public link that needs no account. It shows your prompt, the two model names, each model’s final answer, who won and, where a judge recorded one, the margin, and nothing else: no screenshots, steps, reasoning, judge, submitter or other battle. The prompt and answers are first filtered for the personal-data categories in our redaction posture, which misses personal names and postal addresses, so read the confirmation screen before publishing. You can stop sharing at any time and the link stops working at once; copies already made elsewhere are beyond our reach.

Your responsibility

You represent and warrant that (i) you have all rights, permissions, consents and authority needed to provide your User Content and to grant the licence above, including to let Coasty share it with third-party partners who may use it to train, fine-tune or otherwise improve machine learning models; and (ii) neither your User Content nor its use as authorised here will infringe, misappropriate or violate any third party’s intellectual property rights, rights of publicity or privacy, or result in the violation of any applicable law.

Coasty’s intellectual property. Content we make available through the Services may be subject to intellectual property rights. We retain all rights to it.

What the datasets contain is on the data page; the rules the arena runs under are on the governance page.

What ships to labs

Every battle ships as a trajectory: the pages the agents were on, their actions and reasoning, and the preference label your vote produced. Text you type is filtered for the personal-data categories in our published redaction posture before delivery; that is a filter, not a guarantee. Phone battles are not in any dataset.

Screenshots are included. Every dataset package includes each step’s screenshot: the masked copy where the detector masked a web page, the original otherwise. The self-serve dataset download serves no screenshot files, and frames from a battle that used a saved sign-in never ship.

How masking works. On a web page, a detector reads the page’s structure at capture and paints opaque boxes over the fields and text it recognises; each box is checked in the saved image, and a frame whose mask cannot be confirmed is refused. A frame where the detector found nothing is kept as taken and recorded as scanned. The detector cannot read text in images, canvas, video, PDFs or iframes, and does not recognise personal names or postal addresses. No person has audited the masks.

Desktop battles record the whole screen of the arena’s own sandbox desktop, never your machine. With no page structure to read, no mask is attempted; the frame is labelled with that reason and ships as captured.

Phone battles, where offered, record the whole screen of an emulated Android phone the arena runs, never your phone. No mask is attempted.

Model providers see every frame, unmasked, while a battle runs, because a computer-use agent acts by looking at the screen. They hold those frames under their own terms. They are listed on the subprocessors page.

In the arena, frames are seen by you and, on a battle you offered, by its judges, each through a short-lived link for that battle. A screenshot can show whatever was on screen, which is why the one rule of posting is never to point a task at anything private or logged-in.

Withdrawal

Withdraw from your account page (one confirmation, then a receipt) or by emailing founders@coasty.ai. Withdrawal covers everything listed in Your content and the licence you grant and applies from the moment we receive it; it does not make earlier processing under your consent unlawful. It:

  • makes every task you submitted private at once, removing its battles from the judging queue, the public rankings and every dataset tier, including the open sample. This cannot be undone;
  • removes your votes, annotations and step verdicts from future dataset deliveries and from the public rankings and statistics;
  • erases any saved signed-in machine state;
  • does not withdraw prompts and replies sent through the Model API: as its own terms say before a key is made, they stay in our data and datasets, except where the law requires us to delete them (the keys themselves are revoked); and
  • cannot recall datasets already delivered.

Withdrawal does not close your account. Saved sign-ins and memory are removed on the memory and credentials page.

Tasks, agents and third-party websites

Agents use the web on your behalf. Automated agents attempt your task in isolated sandboxes against live third-party websites and applications. Their actions, the pages they reach and screenshots of the screen are recorded and become part of the research record.

Agents run logged out by default. They use a signed-in session on a third party’s site only when you saved a sign-in for that exact site and the agent asks for it by name (Your content and the licence you grant); otherwise no credentials are supplied.

Never point a task at anything private, paid, logged-in or otherwise not publicly accessible, and never put a password, an API key, a payment detail, a personal identifier or any other secret in a task. You are solely responsible for what you ask an agent to do and where you ask it to go, and for making sure that doing so does not violate any third party’s terms, rights or applicable law.

Judging

If you judge a battle, you agree to do so in good faith: to actually review the runs you are comparing, and to record the judgment you genuinely hold. You agree not to submit judgments at random, automatically or without reviewing the material; not to try to identify which model produced which run before voting; and not to coordinate with others to influence outcomes.

We measure judging quality, including through items with known answers and agreement with other judges. We may exclude, retroactively retract or decline to count judgments that fail those measures, and may suspend accounts that do so repeatedly. Excluded judgments are recorded as excluded, not deleted.

Acceptable use

You agree not to:

  • post, upload, publish, submit or transmit any User Content that (i) infringes, misappropriates or violates a third party’s patent, copyright, trademark, trade secret, moral rights or other intellectual property rights, or rights of publicity or privacy; (ii) violates, or encourages conduct that would violate, any applicable law or regulation, or would give rise to civil liability; (iii) is fraudulent, false, misleading or deceptive; (iv) is defamatory, obscene, pornographic, vulgar or offensive; (v) promotes discrimination, bigotry, racism, hatred, harassment or harm against any individual or group; (vi) is violent or threatening, or promotes violence; or (vii) promotes illegal or harmful activities or substances;
  • post, upload, publish, submit or transmit any content that constitutes child sexual abuse material (CSAM) or that sexualises, exploits or endangers minors in any way;
  • direct an agent at any website, system or account you are not authorised to access, or at any resource in a manner that violates that resource’s terms of use;
  • use the Services to circumvent any technical measure, access control, paywall, rate limit, bot detection or authentication mechanism operated by any third party;
  • attempt to extract, enumerate, scrape or bulk-download the datasets, battle records, trajectories, screenshots or judgments held by the Services, whether through the website, the arena, any API or any automated means, other than through a licence we have granted you in writing;
  • use the Services in any unauthorised manner, including collecting usernames or email addresses to send unsolicited messages, or creating accounts by automated means or under false pretences;
  • use, display, mirror or frame the Services or any individual element within them, Coasty’s name, any Coasty or Coarena trademark or logo, or the layout and design of any page, without our express written consent;
  • access, tamper with or use non-public areas of the Services, Coasty’s computer systems, or the technical delivery systems of Coasty’s providers;
  • attempt to probe, scan or test the vulnerability of any Coasty system or network, or breach any security or authentication measures;
  • avoid, bypass, remove, deactivate, impair, descramble or otherwise circumvent any technological measure implemented by Coasty or any of its providers;
  • send any unsolicited or unauthorised advertising, promotional materials, junk mail, spam, chain letters or other solicitation;
  • use any meta tags or other hidden text using a Coasty trademark, logo, URL or product name without our express written consent;
  • forge any TCP/IP packet header or any part of the header information in any message, or otherwise use the Services to send altered, deceptive or false source-identifying information;
  • attempt to decipher, decompile, disassemble or reverse engineer any of the software used to provide the Services;
  • interfere with, or attempt to interfere with, the access of any user, host or network, including by sending a virus, overloading, flooding, spamming or mail-bombing the Services;
  • collect or store any personally identifiable information from the Services about other users without their express permission;
  • impersonate or misrepresent your affiliation with any person or entity;
  • violate any applicable law or regulation; or
  • encourage or enable any other individual to do any of the foregoing.

Coasty is not obliged to monitor access to or use of the Services, or to review or edit any content, but has the right to do so to operate the Services, to ensure compliance with these terms, and to comply with applicable law. We may, but are not obliged to, remove or disable access to any content, including User Content, at any time and without notice, including if we consider it objectionable or in violation of these terms. We may investigate violations of these terms and conduct that affects the Services, and may consult and cooperate with law enforcement authorities.

Copyright

Coasty respects copyright law and expects its users to do the same. It is our policy to terminate, in appropriate circumstances, the accounts of users who repeatedly infringe, or are believed to be repeatedly infringing, the rights of copyright holders. Notices of claimed infringement, and requests about material captured from a site you operate, may be sent to founders@coasty.ai.

Third-party websites and resources

The Services let agents reach third-party websites and other resources, and may display links to them. We provide that access as a function of the product and are not responsible for the content, products or services available from those resources. You acknowledge sole responsibility for, and assume all risk arising from, the third-party resources reached through the Services.

Third-party model outputs

Outputs you receive from the Services are generated by third-party artificial intelligence models operated by their respective providers. Coasty grants no rights in those model outputs and cannot: your rights to use them are governed by the applicable provider’s terms, and your agreement with that provider controls. You assume sole responsibility for using such outputs in accordance with those terms.

You will indemnify, defend and hold harmless Coasty, its subsidiaries and affiliates, and their respective officers and employees from any third-party claims, damages or losses arising from your use of model outputs in a manner inconsistent with the applicable terms.

Fees and feedback

No fees. Unless the Services or Coasty tell you otherwise, there are no fees for using the Services. Running an agent on your task costs us money; we do not charge you for it.

Feedback. We welcome comments, ideas, proposals and suggestions for improving the Services (“Feedback”). If you send Feedback, you agree that we may use it without restriction or compensation to you.

Termination

We may suspend or terminate your access to and use of the Services, including your account, at our sole discretion, at any time and without notice to you.

You may stop using the Services at any time, and may withdraw your licence as described in Withdrawal.

On any termination, discontinuation or cancellation of the Services or your account, these sections survive: Your content and the licence you grant, What ships to labs, Withdrawal, Tasks, agents and third-party websites, Judging, Acceptable use, Copyright, Third-party model outputs, Fees and feedback, Termination, Warranty disclaimers, Indemnity, Limitation of liability, Governing law and disputes and General terms. Your withdrawal rights survive the termination of your account.

Warranty disclaimers

THE SERVICES ARE PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND. WITHOUT LIMITING THE FOREGOING, WE EXPLICITLY DISCLAIM ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT AND NON-INFRINGEMENT, AND ANY WARRANTIES ARISING OUT OF COURSE OF DEALING OR USAGE OF TRADE. We make no warranty that the Services will meet your requirements or be available on an uninterrupted, secure or error-free basis. We make no warranty regarding the quality, accuracy, timeliness, truthfulness, completeness or reliability of any information or content on the Services, including any ranking, rating or statistic we publish.

NO RELIANCE ON OUTPUT. BECAUSE OF THE PROBABILISTIC NATURE OF MACHINE LEARNING AND ARTIFICIAL INTELLIGENCE, THE SERVICES MAY PRODUCE OUTPUT THAT IS INACCURATE, INCORRECT, INCOMPLETE, OFFENSIVE OR OTHERWISE UNDESIRABLE. AN AGENT MAY REPORT SUCCESS ON A TASK IT DID NOT COMPLETE. YOU WILL NOT RELY ON THE SERVICES OR ANY OUTPUT, AND WILL CONDUCT YOUR OWN DILIGENCE AND EXERCISE YOUR OWN JUDGMENT, WITH MEANINGFUL HUMAN INVOLVEMENT, BEFORE MAKING ANY DECISION OR TAKING ANY ACTION BASED ON OUTPUT, INCLUDING ANY TRANSACTION, BOOKING, PURCHASE OR COMMUNICATION. COASTY DISCLAIMS ALL LIABILITY IN CONNECTION WITH ANY OUTPUT OR YOUR RELIANCE ON IT, AND YOU ARE SOLELY RESPONSIBLE FOR ANY DECISIONS, ACTIONS OR OUTCOMES RESULTING FROM IT. IN THESE TERMS, “OUTPUT” MEANS ANY ANSWER, FILE, EXTRACTED DATA, SUMMARY, SCREENSHOT OR OTHER CONTENT GENERATED BY THE SERVICES FROM OR IN CONNECTION WITH YOUR USE OF THEM.

Indemnity

You will indemnify and hold Coasty and its officers, directors, employees and agents harmless from and against any claims, disputes, demands, liabilities, damages, losses, costs and expenses, including reasonable legal and accounting fees, arising out of or in any way connected with (a) your access to or use of the Services, (b) your User Content, (c) the tasks you direct agents to perform and the websites you direct them to, or (d) your violation of these terms.

Limitation of liability

TO THE MAXIMUM EXTENT PERMITTED BY LAW, NEITHER COASTY NOR ITS SERVICE PROVIDERS INVOLVED IN CREATING, PRODUCING OR DELIVERING THE SERVICES WILL BE LIABLE FOR ANY INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES, OR DAMAGES FOR LOST PROFITS, LOST REVENUES, LOST SAVINGS, LOST BUSINESS OPPORTUNITY, LOSS OF DATA OR GOODWILL, SERVICE INTERRUPTION, COMPUTER DAMAGE OR SYSTEM FAILURE, OR THE COST OF SUBSTITUTE SERVICES OF ANY KIND, ARISING OUT OF OR IN CONNECTION WITH THESE TERMS OR FROM THE USE OF OR INABILITY TO USE THE SERVICES, WHETHER BASED ON WARRANTY, CONTRACT, TORT (INCLUDING NEGLIGENCE), PRODUCT LIABILITY OR ANY OTHER LEGAL THEORY, AND WHETHER OR NOT COASTY OR ITS SERVICE PROVIDERS HAVE BEEN INFORMED OF THE POSSIBILITY OF SUCH DAMAGE, EVEN IF A LIMITED REMEDY SET FORTH HEREIN IS FOUND TO HAVE FAILED OF ITS ESSENTIAL PURPOSE.

TO THE MAXIMUM EXTENT PERMITTED BY LAW, IN NO EVENT WILL COASTY’S TOTAL CUMULATIVE LIABILITY TO YOU ARISING FROM ALL CLAIMS UNDER OR RELATED TO THESE TERMS OR FROM THE USE OF OR INABILITY TO USE THE SERVICES EXCEED THE GREATER OF (A) THE AMOUNTS YOU PAID COASTY FOR THE SERVICES IN THE TWELVE MONTHS BEFORE THE EVENT GIVING RISE TO THE CLAIM, OR (B) FIFTY US DOLLARS ($50.00).

THE EXCLUSIONS AND LIMITATIONS OF DAMAGES SET FORTH ABOVE ARE FUNDAMENTAL ELEMENTS OF THE BASIS OF THE BARGAIN BETWEEN COASTY AND YOU.

Governing law and disputes

Governing law and forum. For users of the Services within the United States, these terms and any action related to them are governed by the Federal Arbitration Act, federal arbitration law, and the laws of the State of Delaware, without regard to its conflict of laws provisions. For all other users, these terms and any action related to them are governed by the laws of the State of Delaware, without regard to its conflict of laws provisions, and the arbitration provisions below do not apply. Except as expressly set out below, the exclusive jurisdiction for all Disputes that you and Coasty are not required to arbitrate is the state and federal courts located in Delaware, and you and Coasty each waive any objection to jurisdiction and venue in those courts.

The following provisions apply to users within the United States.

(a) Informal resolution first. Before starting arbitration or a small claims case, the party with the Dispute must send the other a written notice describing it and the relief sought: to us at founders@coasty.ai, and to you at the email address on your account. We will both try in good faith to resolve it for 60 days after the notice is received. Neither of us may start a proceeding until that period ends, and any limitation period is paused while it runs.

(b) Mandatory arbitration of disputes. We each agree that any dispute, claim or controversy arising out of or relating to these terms, or their breach, termination, enforcement, interpretation or validity, or the use of the Services (together, “Disputes”), will be resolved solely by binding, individual arbitration and not in a class, representative or consolidated action or proceeding. You and Coasty agree that the U.S. Federal Arbitration Act governs the interpretation and enforcement of these terms, and that you and Coasty each waive the right to a trial by jury or to participate in a class action. This arbitration provision survives termination of these terms.

(c) Exceptions. As limited exceptions to (b): (i) we may each bring an individual Dispute in small claims court if it qualifies; and (ii) we each keep the right to seek injunctive or other equitable relief from a court to prevent or stop the infringement or misappropriation of our intellectual property rights.

(d) Conducting arbitration and arbitration rules. The arbitration will be conducted by the American Arbitration Association (“AAA”) under its Consumer Arbitration Rules then in effect, except as modified by these terms. Those rules are available at www.adr.org. A party who wishes to start arbitration must submit a written Demand for Arbitration to the AAA and give notice to the other party as those rules specify. Any arbitration hearings will take place in the county or parish where you live, unless we both agree to a different location. The arbitrator has exclusive authority to decide all issues relating to the interpretation, applicability, enforceability and scope of this arbitration agreement, except as stated in (h).

(e) Arbitration costs. Payment of all filing, administration and arbitrator fees is governed by the AAA rules, and we will not seek to recover the administration and arbitrator fees we are responsible for paying, unless the arbitrator finds your Dispute frivolous. If we prevail in arbitration we will pay all of our own attorneys’ fees and costs and will not seek to recover them from you. If you prevail in arbitration you will be entitled to an award of attorneys’ fees and expenses to the extent provided under applicable law.

(f) Mass filings. If 25 or more Demands for Arbitration raising similar Disputes are filed against Coasty by or with the help of the same law firm, group of law firms or organisation within any 90-day period, they will be administered under the AAA Mass Arbitration Supplementary Rules. The demands will be resolved in batches of no more than 50, each batch heard by a single arbitrator in a single proceeding, with one set of filing and administration fees per side per batch. The limitation period for each claim is paused while its demand waits to be batched. Completing (a) is a condition of filing each demand.

(g) Injunctive and declaratory relief. Except as provided in (c), the arbitrator shall determine all issues of liability on the merits of any claim asserted by either party and may award declaratory or injunctive relief only in favour of the individual party seeking relief and only to the extent necessary to provide relief warranted by that party’s individual claim. To the extent that either party prevails on a claim and seeks public injunctive relief, the entitlement to and extent of that relief must be litigated in a civil court of competent jurisdiction and not in arbitration, and litigation of those issues shall be stayed pending the outcome of the individual claims in arbitration.

(h) Class action waiver. YOU AND COASTY AGREE THAT EACH MAY BRING CLAIMS AGAINST THE OTHER ONLY IN YOUR OR ITS INDIVIDUAL CAPACITY, AND NOT AS A PLAINTIFF OR CLASS MEMBER IN ANY PURPORTED CLASS OR REPRESENTATIVE PROCEEDING. If a Dispute is resolved through arbitration, the arbitrator may not consolidate another person’s claims with yours, except as (f) provides for mass filings, and may not otherwise preside over any form of representative or class proceeding. A court, not an arbitrator, decides whether this waiver is enforceable. If this specific provision is found to be unenforceable, then the entirety of this section shall be null and void.

(i) Opting out. You may opt out of this arbitration agreement by emailing founders@coasty.ai within 30 days of first accepting these terms, with your name, the email address on your account and a statement that you opt out of arbitration. Opting out does not affect any other part of these terms, and Disputes are then resolved in the courts named above.

(j) Severability. With the exception of the class action waiver in (h), if an arbitrator or court of competent jurisdiction decides that any part of these terms is invalid or unenforceable, the other parts of these terms still apply.

Legal basis for processing

We process personal information only where the law permits. Under the GDPR and UK GDPR, the basis for each purpose is:

  • Consent for the datasets, and nothing else: the licence in Your content and the licence you grant, granted by an affirmative act at sign-in, with every version archived below with its digest. We claim no legitimate interest in your submissions.
  • Performance of a contract for running the service you asked for: your account, the battles you post and their results.
  • Legitimate interests for rate limiting, detecting abuse and fraud, diagnosing faults and understanding aggregate use to improve the arena. They do not extend to the datasets, and we weigh them against your rights.
  • Legal obligations for lawful requests from courts, regulators or law enforcement, and for exercising or defending legal claims.
  • Vital interests for processing needed to protect someone’s life or safety.

You may withdraw consent at any time; it does not undo processing already carried out (Withdrawal).

If you are in Canada

We rely on your express consent, the affirmative act at sign-in recorded with its version, which you can withdraw at any time, rather than implied consent.

Canadian law also permits processing without consent in narrow cases: investigating a breach of an agreement or a contravention of law, detecting or preventing fraud, complying with a subpoena, warrant or court order, or using information publicly available as the regulations specify. We rely on these only where they apply, and none of them puts your submissions into a dataset.

De-identified information may be used for research and statistical purposes; what our filtering does and does not remove is in What ships to labs.

General terms

Ownership. Coasty and its licensors exclusively own all right, title and interest in and to the Services, the underlying technology used to develop and provide them, and the datasets, statistics and derived measurements produced from them, including all associated intellectual property rights. This does not extend to your User Content, in which you keep your rights subject to the licence in Your content and the licence you grant, nor to model outputs, nor to third-party site content. You agree not to remove, alter or obscure any copyright, trademark, service mark or other proprietary rights notice incorporated in or accompanying the Services.

Entire agreement. These terms, including the consent record below, and the Privacy Policy they incorporate, are the entire and exclusive agreement between Coasty and you regarding the Services, and supersede all prior oral or written understandings or agreements regarding the Services. If any provision is held invalid or unenforceable, that provision will be enforced to the maximum extent permissible and the remaining provisions will remain in full force and effect. Except where applicable law in your jurisdiction provides otherwise, you may not assign or transfer these terms, by operation of law or otherwise, without Coasty’s prior written consent, and any attempt to do so without that consent is void. Coasty may freely assign or transfer these terms. Subject to the foregoing, these terms bind and benefit the parties, their successors and permitted assigns.

Notices. Any notices or other communications provided by Coasty under these terms will be given by email or by posting to the Services. For notices made by email, the date of receipt is deemed to be the date on which the notice is transmitted.

Waiver. Coasty’s failure to enforce any right or provision of these terms is not a waiver of that right or provision. Any waiver is effective only if in writing and signed by a duly authorised representative of Coasty.

Every consent version

Every consent sentence shown at sign-in, newest first, exactly as shown, with its SHA-256 digest. The current version is v12. Version names are identifiers in order, not dates; when you agreed is recorded against your account. Older sentences that name “Coarena” as licensee mean Coasty Systems, Inc..

v12 · current

“By continuing, you agree to our Terms of Use and Privacy Policy, which now also cover saved credentials and agent memory.”

sha256 5cf6a36c33465d9defbfbfa0bab0ba74aa2696348f9074e17e6a1f1981b72b77

Earlier versions (11)

v11

“By continuing, you agree to our Terms of Use and Privacy Policy.”

sha256 aad390066d0c38290642163b97d8a33c4dfab93e2d9ce40862aa951ad37d80fa

Replaced because: covered "tasks+judgments+files", and persistent agent memory and a stored credential are none of the three. Memory is concatenated into both agents' system prompts and therefore into their recorded reasoning; a credential is decrypted in-process and typed into a third party's login form. Both are materially new modalities reaching the model providers, so the scope widened and everyone re-accepts, the same reason v9 gave when files joined

v10

“Files you attach to a task are sent to the agents that run it and kept with it. By continuing, you agree to our Terms of Use and Privacy Policy.”

sha256 8d42a6d18f0ea2b788e07e4247d4777ce97fdeb975e524f81f2a888ebb4623d1

Replaced because: the attachment clause moved to /terms, leaving the bare agreement at the point of signing. This is the same layered notice 2026-08-07 adopted for the other disclosures. Scope is unchanged and still covers files; the sentence that replaces this one is byte-identical to v9, which is why the two share a digest

v9

“By continuing, you agree to our Terms of Use and Privacy Policy.”

sha256 aad390066d0c38290642163b97d8a33c4dfab93e2d9ce40862aa951ad37d80fa

Replaced because: covered "tasks+judgments", and a file somebody attaches to a task is neither. Uploads reach the agents, the model providers behind them, and our store, so the scope widened materially and everyone re-accepts

v8

“Signing in creates your account and is your consent under these terms: you grant Coasty Systems, Inc. a licence to include the tasks you submit and the judgments you make in research datasets licensed to AI labs, and you can withdraw at any time. Screenshots are not part of what we license, but the model providers running your task receive every frame unmasked, and the masks we place on page screenshots have never been checked for what they miss — never point a task at anything private or logged-in.”

sha256 487a7a1b56cfdd8a76c401e51d6e00b4721b3b52704400592f2044ffbb583e03

Replaced because: seventy-four words behind a required checkbox, ending on a safety warning, a wall of licensing prose as the last thing somebody read before deciding whether to join. v9 incorporates the documents by reference, which is what /terms and /privacy are for, drops the checkbox, and moves the "nothing private or logged-in" warning to the task form where the decision it guards is actually made

2026-08-10

“By signing in you agree to the terms.”

sha256 26d4994aee0ad9e3597b10cf777f0ead9995f12af6e606f79595abc607e29946

Replaced because: the bare agreement disclosed nothing at the moment of the grant, and the seamless press disclosed nothing about being one: v8 restores both halves: an informative sentence naming the licensee, the licence, the datasets, the withdrawal right and the screenshot position the code now enforces, and a required checkbox so agreeing is an act of its own rather than a side effect of signing in

2026-08-09

“I agree to the terms.”

sha256 44895d86b8ff5e986a4116b891b69ff0676f4a736bedcf34c065f35713a69369

Replaced because: checkbox removed for a seamless flow; the sign-in press under the sentence became the consent act again

2026-08-08

“I agree to the terms: Coarena may include the tasks I submit and the judgments I make in research datasets licensed to AI labs, and I can withdraw at any time. SCREENSHOTS AGENTS CAPTURE ARE DELIVERED UNREDACTED — never point a task at anything private or logged-in.”

sha256 9a146f5ed8b7627d09ffcef1d2e5ae33a858d6b545947b5a352e7eef4790d030

Replaced because: label reduced to the bare agreement; every disclosure moved to /terms, which the label links; checkbox gate unchanged

2026-08-07

“Signing in creates your account and is your consent under these terms: you grant Coarena a licence to include the tasks you submit and the judgments you make in research datasets licensed to AI labs. You can withdraw at any time. SCREENSHOTS AGENTS CAPTURE ARE DELIVERED UNREDACTED — never point a task at anything private or logged-in.”

sha256 688870a0df950b723d27b6d2989587e8d1a9a9489610469fb659078ed732c406

Replaced because: consent act hardened from sign-in-only to a required checkbox; sentence re-cast as its first-person label; scope unchanged

2026-08-06

“Signing in creates your account and is your consent. No separate opt-out. It grants Coarena a licence to include tasks you submit and judgments you make in research datasets licensed to AI labs. Typed text is scrubbed for personal data before delivery, but SCREENSHOTS OF THE PAGES AGENTS VISIT ARE DELIVERED UNREDACTED. Never point a task at anything private or logged-in. Withdraw anytime: email founders@coasty.ai.”

sha256 2fedae10223374ef23a44b046855ac01cfeb8f8bcf59de3a7678aff1e4299a1e

Replaced because: restructured as a layered notice: the sentence keeps the grant, scope, withdrawal right, and screenshot warning; scrub mechanics, no-opt-out detail, and the withdrawal channel moved to /terms, now opened by the sentence's first link

2026-08-05

“Signing in creates an account and grants Coarena a licence to include the tasks you submit and the judgments you make in research datasets we license to AI labs. Text you type is scrubbed for personal data before delivery, but SCREENSHOTS OF THE PAGES AGENTS VISIT ARE DELIVERED UNREDACTED — never point a task at anything private or logged-in. There is no separate opt-out; signing in is the consent. You can withdraw at any time by mailing founders@coasty.ai.”

sha256 9e0dade30b5c079da1d67ae17854aafcdc4a6cfb103645117ce828d89305b1c3

Replaced because: re-worded for brevity and reading order; licence scope, redaction disclosure, screenshot warning, and withdrawal channel unchanged

2026-08-04

“Signing in creates an account and grants Coarena a licence to include the tasks you submit and the judgments you make in anonymized research datasets we license to AI labs. Personal data is redacted before delivery. There is no separate opt-out — signing in is the consent. Never submit passwords or personal data.”

sha256 fbfced784896f67347b27979c18193a4d2477a867bf7e0d95cc4f3a5476a4518

Replaced because: claimed 'Personal data is redacted before delivery' and 'anonymized', both false for delivered screenshots; scope materially restated and re-consent required

Contact

Questions, withdrawal, or anything these terms do not answer: founders@coasty.ai.Coasty Systems, Inc. is the controller for everything on this page.