TLDR · PROGRAMMING, DESIGN & DATA SCIENCE
BUILDING MORE WITH GPT-5.1-CODEX-MAX
Summary from the TLDR newsletter
GPT‑5.1-Codex-Max is a new frontier agentic coding model from OpenAI. It is much faster, more intelligent, and more token-efficient at every stage of the development cycle. The model is built for long-running, detailed work. It is available in Codex today. API access is coming soon.