Sullivan & Cromwell teams up with OpenAI to build Agreement Analyzer, an AI that flags issues in draft agreements
Sullivan & Cromwell announced it developed Agreement Analyzer with OpenAI, an AI tool that reviews draft agreements for issues. It follows a Sept 18 firm update about another custom OpenAI-built tool, but the firm shared no technical details.
What happened
Sullivan & Cromwell announced on Oct. 15, 2026 that it worked with OpenAI to develop Agreement Analyzer, an AI tool that identifies issues in draft agreements. The announcement follows a Sept. 18 firm update in which it described another custom tool built with OpenAI. The firm disclosed no technical specifications, performance metrics, or deployment details for Agreement Analyzer.
Why it matters
The deal is another sign that top law firms are moving from advising AI clients to building AI tools of their own alongside OpenAI. It also shows OpenAI continuing its push into enterprise professional services, working directly with firms rather than only selling licenses. Until Sullivan & Cromwell publishes specs or results, the claims rest entirely on the firm's own announcement.
Verified 2026-10-16.
Sources
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