ToolsThe story, in brief
Chatham scales its capital markets expertise with OpenAI
Not a pilot. Chatham Financial cut trade validation from 30 minutes to under 4 using GPT-5.6 and Codex — concrete workflow redesign in capital markets.
The KeyNews take
Why it matters
OpenAI case study showing measurable workflow acceleration in a regulated, high-stakes domain. Practitioners in financial services and compliance-heavy verticals should note the specific time reduction and model/tool pairing (Codex + GPT-5.6) as a deployment reference.
The key facts
5 to knowTrade validation cycle time: 30 minutes → under 4 minutes
Models deployed: Codex and GPT-5.6
Use case: technology redesign + workflow optimization in capital markets
Source: OpenAI case study (vendor-authored, not independently verified)
Published: October 2, 2026
Go to the source
OpenAI Blogopenai.com
Publisher excerpt: Chatham Financial uses Codex and GPT-5.6 to build technology and redesign workflows, cutting trade validation from 30 minutes to under 4.