ChatGPT 5.1 Codex Max : AI Coder Handles Massive PRs, Reviews & Debugging at Scale

OpenAI’s GPT 5.1 Codex Max runs 24-hour workflows, handles multifile refactors, reaches 80% accuracy, and uses 30% fewer ...

OpenAI's new GPT‑5.1-Codex-Max — all about the agentic coding model that can work for long hours

OpenAI has launched GPT-5.1-Codex-Max, a new coding model designed for detailed and long-running software development tasks.
TechCrunch

OpenAI upgrades Codex with a new version of GPT-5

OpenAI announced Monday that it’s releasing a new version of GPT-5 to its AI coding agent, Codex. The company says its new model, called GPT-5-Codex, spends its “thinking” time more dynamically than ...

OpenAI's Codex Max solves one of my biggest AI coding annoyances - and it's a lot faster

The SWE-Bench Verified evaluation is basically a test of AI processing accuracy. It measures how well the AI solves a set of coding problems. According to OpenAI, GPT-5.1-Codex-Max "reaches the same ...

GPT-5.1 Codex Max explained: OpenAI’s most powerful coding model yet

If you’ve been watching the AI world this week, you probably noticed something interesting: OpenAI dropped GPT-5.1 Codex Max ...