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Sullivan & Cromwell said it worked with OpenAI to build Agreement Analyzer, an AI tool designed to identify issues in draft agreements.
Sullivan & Cromwell said it worked with OpenAI to develop Agreement Analyzer, an AI tool for identifying issues in a draft agreement, according to the firm’s Oct. 15, 2026 announcement. The disclosure adds another data point to the firm’s legal-technology work, while remaining distinct from its advisory role on AI transactions and regulation.
Evidence and context
The source material describes Agreement Analyzer as a custom tool created in collaboration with OpenAI to review draft agreements for issues. No technical specifications, performance metrics or deployment details were supplied in the source excerpt, so those elements cannot be verified here. The announcement follows a Sept. 18, 2026 firm update that also described a custom tool built with OpenAI, indicating that the firm has continued to develop internal workflow technology alongside its client-facing work.
Background material says Sullivan & Cromwell was founded in New York in 1879 by Algernon Sydney Sullivan and William Nelson Cromwell, though the reviewed history does not give an exact founding date. The same background notes that the firm formally announced an Artificial Intelligence Practice on May 9, 2024, citing its representation of OpenAI in its Microsoft partnership and Character.ai in its Google Cloud compute partnership. It also referenced AIDA, an AI Discovery Assistant launched with LAER AI for first-level document review; any efficiency benefits described there were the firm’s own claims and were not independently audited.
The broader context is that legal firms are experimenting with AI both as advisers to technology clients and as builders of internal tools. In this case, the verified record supports only the existence of the Agreement Analyzer announcement and the firm’s stated collaboration with OpenAI. No market data were supplied for a relevant security or token, and no further catalyst date beyond the Oct. 15, 2026 announcement was provided.
