Effective date: August 5, 2026
Please read these Terms carefully. Section 10 contains a binding individual arbitration agreement and a class-action and jury-trial waiver that govern how disputes between you and us are resolved. If you are a U.S. resident, you may opt out of arbitration within 30 days of first accepting these Terms — see Section 10.
Atelier is a product operated by Extensium Inc., a Delaware corporation ("Extensium", "Atelier", "we", "us", or "our"). When you create an account or use Atelier, you agree to these Terms of Service (the "Terms"). They're written in plain English on purpose — if a clause is unclear, that's our fault, not yours; please email us and we'll explain or fix it.
If you use Atelier on behalf of an organization, you represent that you have authority to bind that organization, and "you" means that organization.
Atelier is a canvas application for thinking with notes, images, media, and an AI muse. We provide:
We are not the AI providers. When you ask Muse a question or generate an image, that request travels through Atelier to a provider listed in our privacy policy. Your use of the outputs is also subject to those providers' terms, which we summarise in Section 3.
Everything you create in Atelier — notes, images you upload, files you generate, conversations with Muse (your "Content") — belongs to you. Atelier never:
We do store your Content (see privacy policy) and we do route generation requests through AI providers. Each provider has its own policy on whether it trains on inputs; the providers we use today commit to not training on API content. If a provider changes that policy, we will switch providers or notify you, whichever lands first.
You grant Extensium a worldwide, non-exclusive, royalty-free license to host, store, reproduce, display, and process your Content solely as needed to operate and improve the Service for you and to provide the features you use (for example, syncing across your devices, generating a Share link you requested, or sending your prompt to an AI provider). This license exists only to run Atelier for you; it terminates when you delete the Content or close your account, except for residual backup copies that age out on the schedule in our privacy policy.
Generative outputs are produced by third-party AI models from your inputs, and are provided on an "as is" basis. We do not guarantee that any output is accurate, original, non-infringing, or fit for any particular purpose, and the same prompt may produce different results for different users. You are responsible for reviewing outputs before you rely on or publish them, and you are bound by the originating AI provider's license terms for the output.
You are responsible for the prompts you write and the things you generate. You agree not to use Atelier to:
Atelier sells access on a tier basis (Threshold, Vigil, Hearth, Patron) plus pay-as-you-go Refills denominated in "Ink" units. The canonical pricing is at https://atelier.space/pricing.
When you subscribe, you receive a monthly grant of Ink that resets each billing cycle. When you buy a Refill, the Ink lands in your "PAYG balance" and does not expire while your account is open.
Ink is not redeemable for money except as a refund under this Section, and it has no cash value except where the law says otherwise. Ink sitting in your own balance cannot be moved to another account. The one exception is an Ink Gift, which you buy for someone else and which transfers its Ink into their account exactly once, when they claim it — see Ink Gifts below.
Prices are in U.S. dollars and exclusive of any taxes, which we may collect where required. Payments are processed by Stripe; by subscribing you also agree to Stripe's terms.
Sonnet-class chat (Atelier's default Muse) is free of Ink charges across every tier. Failed generations are not charged — if a vendor returns an error, your reservation is refunded fully. Both of these are absorbed by Atelier's per-tier subscription pricing.
An Ink Gift is Ink you buy for someone else. You pick one of the published face values, pay for it once, and get back a link. When the person you send it to claims it, that Ink lands in their PAYG balance.
The link is the gift. Anyone holding the complete link can claim it — we don't check who they are beforehand, because the whole point is that you can hand it to someone we've never met. Treat it the way you'd treat cash in an envelope: send it over a channel you trust, to the person you actually mean. If you post it somewhere public or forward it widely, expect a stranger to claim it first. We can't reverse a claim that has already happened because the link travelled further than you intended, and we don't reissue a gift that was claimed by the wrong person.
How a Gift behaves:
Refunds on a Gift turn on claiming, not on sending. Before it's claimed, a refund is there for mistakes — the wrong face value, or the wrong person — not as a standing invitation to take the gift back after someone has already opened the link:
You can cancel a subscription at any time from the Stripe Customer Portal (linked from Settings → Inkwell → Manage subscription). Cancellation takes effect at the end of the current billing period. We won't continue charging once cancellation is set; you keep tier capabilities until the period closes.
If we raise prices, anyone subscribed before the change is grandfathered at the old price for as long as their subscription stays continuous. Cancelling and re-subscribing later means re-subscribing at the new price.
We may change prices, tiers, or Ink grants prospectively. We will give notice of material changes that affect an active subscription at least 14 days in advance, and the change takes effect on your next renewal.
Atelier is a small studio software. We aim for high availability but we don't guarantee any particular uptime. If the Service is unavailable for an extended period (more than 24 continuous hours on a paid tier), we'll credit a pro-rata portion of the affected period back to your next invoice as your sole remedy for the downtime.
We reserve the right to suspend the Service for emergency maintenance, provider outages, or to address abuse. Where reasonably possible we will give notice before scheduled maintenance.
We may suspend or terminate your account if:
When we suspend or terminate, we will tell you what happened and what recourse you have, unless we are legally prohibited from doing so. Your data isn't deleted immediately — see the data-retention section in the privacy policy.
You can close your own account at any time from Settings. Account closure deletes your spaces, conversations, files, and metadata within 30 days (some records are retained for accounting and legal compliance, as described in the privacy policy). Sections that by their nature should survive termination (including Sections 3, 7–13) do survive.
THE SERVICE, INCLUDING ALL CONTENT AND AI-GENERATED OUTPUTS, IS PROVIDED "AS IS" AND "AS AVAILABLE," WITHOUT WARRANTIES OF ANY KIND, WHETHER EXPRESS, IMPLIED, OR STATUTORY. TO THE MAXIMUM EXTENT PERMITTED BY LAW, EXTENSIUM DISCLAIMS ALL IMPLIED WARRANTIES, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE, AND NON-INFRINGEMENT.
We do not warrant that the Service will be uninterrupted, secure, or error-free, that defects will be corrected, that outputs will be accurate or reliable, or that the Service is free of harmful components. Any material you rely on or download is accessed at your own risk.
Some jurisdictions do not allow the exclusion of certain warranties, so some of the above may not apply to you. Nothing in these Terms limits warranties or rights that cannot be limited or waived under the law that applies to you.
TO THE MAXIMUM EXTENT PERMITTED BY LAW, EXTENSIUM AND ITS OFFICERS, DIRECTORS, EMPLOYEES, AND SUPPLIERS WILL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, EXEMPLARY, OR PUNITIVE DAMAGES, OR FOR ANY LOSS OF PROFITS, REVENUE, DATA, GOODWILL, OR BUSINESS OPPORTUNITIES, ARISING OUT OF OR RELATING TO THE SERVICE OR THESE TERMS, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
EXTENSIUM'S TOTAL AGGREGATE LIABILITY ARISING OUT OF OR RELATING TO THE SERVICE OR THESE TERMS WILL NOT EXCEED THE GREATER OF (A) THE TOTAL AMOUNT YOU PAID EXTENSIUM FOR THE SERVICE IN THE TWELVE (12) MONTHS BEFORE THE EVENT GIVING RISE TO THE CLAIM, OR (B) ONE HUNDRED U.S. DOLLARS (US$100).
These limitations do not apply to liability that cannot be limited or excluded under applicable law — for example, liability for death or personal injury caused by negligence, for fraud or fraudulent misrepresentation, or for a party's gross negligence or willful misconduct. If you are a consumer, these limitations do not affect your mandatory statutory rights.
The Service is offered at the price it is in reliance on these disclaimers and limitations, which form an essential basis of the bargain between you and us and survive any failure of an essential purpose of any remedy.
To the extent permitted by law, you agree to defend, indemnify, and hold harmless Extensium and its officers, directors, employees, and suppliers from and against any third-party claims, damages, liabilities, costs, and expenses (including reasonable legal fees) arising out of or related to: (a) your Content; (b) your use of the Service in violation of these Terms or applicable law; or (c) your violation of any rights of a third party. We will notify you of any such claim and may participate in the defense with counsel of our choosing; you may not settle any claim in a way that imposes obligations on us without our prior written consent.
Please read this Section carefully — it affects how disputes are resolved and limits the ways you can seek relief from us.
Most concerns can be resolved quickly. Before filing a formal claim, you agree to email us at hello@atelier.space with a description of the dispute, and to give us 60 days to try to resolve it informally. This step is required before starting an arbitration or lawsuit.
If we can't resolve a dispute informally and you are a U.S. resident, you and Extensium agree that any dispute arising out of or relating to these Terms or the Service will be resolved by final and binding individual arbitration, rather than in court, except as stated in Section 10.4. The Federal Arbitration Act governs the interpretation and enforcement of this Section.
The arbitration will be administered by the American Arbitration Association (AAA) under its Consumer Arbitration Rules then in effect. The arbitration may be conducted by video or telephone, in Delaware, or — if AAA's rules so provide — in the U.S. county where you live. The arbitrator's decision is final and may be entered as a judgment in any court of competent jurisdiction.
YOU AND EXTENSIUM AGREE THAT EACH MAY BRING CLAIMS AGAINST THE OTHER ONLY ON AN INDIVIDUAL BASIS, AND NOT AS A PLAINTIFF OR CLASS MEMBER IN ANY CLASS, COLLECTIVE, CONSOLIDATED, OR REPRESENTATIVE ACTION. YOU AND EXTENSIUM WAIVE ANY RIGHT TO A JURY TRIAL.
The arbitrator may not consolidate more than one person's claims or preside over any class or representative proceeding. If this paragraph is found unenforceable as to a particular claim, that claim (and only that claim) will proceed in court under Section 11, and the rest of this Section 10 remains in effect.
Either party may (a) bring an individual claim in small-claims court if it qualifies, and (b) seek injunctive or other equitable relief in court to stop the actual or threatened infringement or misuse of intellectual property or confidential information. Seeking such relief does not waive the arbitration agreement for any other claim.
You can opt out of this arbitration agreement (Sections 10.2 and 10.3) by emailing hello@atelier.space within 30 days of first accepting these Terms, with your name and the email on your account. Opting out does not affect any other part of these Terms.
If you are a consumer in the EU, EEA, UK, or another jurisdiction whose law does not permit pre-dispute arbitration or class-action waivers, Sections 10.2 and 10.3 do not apply to you to the extent prohibited. Your mandatory local consumer-protection rights and the jurisdiction of your local courts are unaffected by these Terms.
These Terms are governed by the laws of the State of Delaware, U.S.A., without regard to its conflict-of-laws rules, except that the Federal Arbitration Act governs Section 10. For any dispute not subject to arbitration, you and Extensium consent to the exclusive jurisdiction and venue of the state and federal courts located in New Castle County, Delaware. If you are a consumer, this does not deprive you of the protection of mandatory provisions of the law of your country of residence.
We may change these Terms when Atelier itself changes materially. Every new version is dated at the top of this document, and the version it replaced stays permanently readable at https://atelier.space/legal/terms?version=YYYY-MM-DD.
How much warning you get depends on what the change does to you:
If you don't agree with a new version, you can close your account before it takes effect; we'll honour any unused subscription time on a pro-rata basis. Continuing to use Atelier after a change takes effect means you accept the updated Terms.
Email hello@atelier.space for support, billing questions, or anything else covered (or not) by these Terms.
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