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LLM Cost Audit

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Terms of Service

Effective date: 22 June 2026

These Terms of Service ("Terms") govern your access to and use of the LLM Cost Audit website and our LLM inference cost audit services (together, the "Services") provided by House of STK Ltd, operating as LLM Cost Audit ("LLM Cost Audit", "we", "us", or "our"). By using the website or engaging us, you agree to these Terms. If you are agreeing on behalf of a company, you represent that you are authorised to bind that company ("you" or "Client").

1. The Services

LLM Cost Audit provides independent analysis of an organisation's AI inference usage to identify where spend can be reduced, and optional implementation of those changes. Our work is technical and advisory. We are not your lawyer, accountant, or financial adviser, and nothing we provide is legal, tax, investment, or accounting advice.

2. The assessment

The assessment is a fixed-fee engagement priced at US$750. After a mutual non-disclosure agreement is in place, you provide a usage export from your AI provider account, and we deliver a written findings report identifying where your inference spend leaks, with current-versus-optimised cost analysis on a line-by-line basis.

The assessment fee is non-refundable. It is earned upon delivery of the findings report, which is a complete deliverable in itself, regardless of whether you choose to implement any of its recommendations. Turnaround times we mention are good-faith estimates, not guarantees, and depend on the size and complexity of your workload and the completeness of the data you provide.

3. Implementation and savings-based fees

Implementation is a separate, optional engagement, agreed in writing on a per-project basis. It is priced either as a flat fee or as a share of verified savings, whichever applies to the engagement.

Where a fee is based on verified savings, "savings" means the reduction in unit cost — cost per 1,000 calls, or per conversation, or per user — measured on a fixed, agreed sample of your traffic, compared before and after the changes. We measure unit cost, not your total monthly bill, because total spend changes with usage volume. The measurement methodology, the sample, and the unit are agreed in writing before work begins, and the result is verifiable against your own provider invoices.

Results commitment. If the agreed savings on the agreed sample are not achieved, the savings-based fee for that work is not owed. This commitment applies only to the savings-based fee component and does not entitle you to a refund of the assessment fee or of any agreed flat fees for work performed.

4. Your responsibilities

You agree that:

  • you have the authority and the right to share any data you provide to us, and doing so does not breach any agreement or law;
  • the usage export and other information you provide are accurate and complete to the best of your knowledge;
  • you remain solely responsible for your own systems, code, configurations, and production environment;
  • you will independently evaluate our recommendations and are responsible for your decisions to implement them, including testing and maintaining backups; and
  • you will not send us prompts, customer content, account credentials, or other data we have not requested.

5. Figures, estimates, and no guarantee of outcome

Any savings figures, percentages, or examples shown on our website, in sample materials, or in discussions are illustrative. Actual results depend on your specific traffic, context size, model mix, provider pricing, and implementation choices, all of which can change. Except for the specific results commitment described in Section 3, we do not guarantee any particular level of savings, performance, or outcome.

6. Fees and payment

Fees are stated exclusive of any taxes, which are your responsibility where applicable. The assessment fee is due as agreed before or upon delivery of the findings report. Implementation fees are invoiced as set out in the applicable written agreement. Late amounts may be suspended or may accrue interest to the extent permitted by law.

7. Intellectual property

You retain ownership of the data and materials you provide to us. Upon payment, we grant you a perpetual, non-exclusive licence to use the findings report and its recommendations within your organisation for your internal business purposes.

We retain all rights in our methodologies, know-how, analytical techniques, templates, software, and general skills and experience, including any improvements and any general knowledge and ideas retained in memory, none of which are transferred to you. You may not resell, publish, or distribute our deliverables as a commercial offering of your own.

8. Confidentiality

Confidentiality is central to how we work. The handling of confidential information exchanged in connection with the Services is governed by the mutual non-disclosure agreement between the parties. We do not disclose the identity of our clients, and we will not disclose that you are a client, to anyone.

9. Disclaimer of warranties

THE SERVICES AND ALL DELIVERABLES ARE PROVIDED "AS IS" AND "AS AVAILABLE", WITHOUT WARRANTIES OF ANY KIND, WHETHER EXPRESS, IMPLIED, OR STATUTORY. TO THE FULLEST EXTENT PERMITTED BY LAW, WE DISCLAIM ALL IMPLIED WARRANTIES, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE, AND NON-INFRINGEMENT, AND ANY WARRANTY THAT THE SERVICES WILL BE UNINTERRUPTED, ERROR-FREE, OR WILL ACHIEVE ANY PARTICULAR RESULT.

10. Limitation of liability

TO THE FULLEST EXTENT PERMITTED BY LAW, NEITHER PARTY WILL BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, EXEMPLARY, OR PUNITIVE DAMAGES, OR FOR ANY LOSS OF PROFITS, REVENUE, DATA, OR BUSINESS, ARISING OUT OF OR RELATING TO THE SERVICES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

OUR TOTAL AGGREGATE LIABILITY ARISING OUT OF OR RELATING TO THE SERVICES WILL NOT EXCEED THE FEES YOU PAID TO US FOR THE SPECIFIC SERVICE GIVING RISE TO THE CLAIM.

This cap does not apply to, and our liability remains uncapped for, a breach by us of our confidentiality or data-protection obligations, and it does not apply to any liability that cannot be excluded or limited under applicable law (including liability for death or personal injury caused by negligence or for fraud). Nothing in this section limits either party's right to seek injunctive relief.

We are not liable for any loss, interception, corruption, or unauthorised access to or disclosure of data that occurs (a) in transmission or transfer over networks, systems, devices, or accounts that we do not control; (b) as a result of the acts, omissions, outages, or security incidents of third-party services we use to provide the Services (including hosting, email, database, and AI providers), each of which is responsible for its own systems and security; or (c) during a migration, handover, or transition that we do not perform, in each case except to the extent the loss is directly caused by our own breach of our confidentiality or data-protection obligations.

11. Indemnification

You will defend, indemnify, and hold us harmless from third-party claims, losses, and expenses arising out of: your provision of data you did not have the right to share; your use of, or decisions to implement, our recommendations; or your breach of these Terms. Each party's confidentiality obligations are governed by the mutual non-disclosure agreement.

12. Independent contractor; third-party providers

We act as an independent contractor. Nothing in these Terms creates a partnership, joint venture, agency, or employment relationship. We are not affiliated with, and do not act on behalf of, any AI provider (including OpenAI and Anthropic). Provider pricing, features, and terms are set by those providers and may change, and your use of their services is governed by your own agreements with them.

13. Term and termination

These Terms apply while you use the Services. Either party may end an engagement as set out in the applicable written agreement. Sections that by their nature should survive — including those on fees already due, intellectual property, confidentiality, disclaimers, limitation of liability, indemnification, and governing law — survive termination.

14. Governing law and disputes

These Terms are governed by the laws of England and Wales, and the courts of England and Wales have exclusive jurisdiction over any dispute, except that either party may seek injunctive relief in any court of competent jurisdiction.

15. General

These Terms, together with any written engagement agreement and the mutual non-disclosure agreement, are the entire agreement between us regarding the Services and supersede prior discussions. If any provision is held unenforceable, the rest remains in effect. Our failure to enforce a provision is not a waiver. You may not assign these Terms without our consent; we may assign them in connection with a transfer of our business. Neither party is liable for delays caused by events beyond its reasonable control. We may update these Terms by posting a revised version with a new effective date; continued use after that constitutes acceptance.

16. Contact

Questions about these Terms can be sent to hello@houseofstk.com.