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Chatham Financial — Codex and GPT-5.6 cut deal validation from 30 minutes to 4

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Chatham Financial: trade validation cut from 30 minutes to 4 with Codex and GPT-5.6 🛠️

The task. Chatham Financial, a financial company with expertise in capital markets, moved technology development and workflows onto Codex and GPT-5.6.

The tools. The Codex + GPT-5.6 pairing covers two areas: building technology and redesigning workflows.

The result. Trade validation dropped from 30 minutes to less than 4 minutes 📉

The full case study — at openai.com/index/chatham-financial

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