GPT-5.1-Codex-Max is a new frontier agentic coding model built for long-running, project-scale work. It's faster, more capable, and more token-efficient than GPT-5.1-Codex, using compaction to work coherently across multiple context windows. Available in Codex surfaces including the CLI, IDE extension, cloud, and code review. Rates are the same as for GPT-5.1-Codex.
Fetched May 30, 2026
Introducing GPT-5.4 mini in Codex GPT-5.4 mini is now available in Codex as a fast, efficient model for lighter coding tasks and subagents.…
OpenAI · CodexIntroducing GPT-5.5, our smartest model yet—faster, more capable, and built for complex tasks like coding, research, and data analysis acro…
OpenAI · Product ReleasesGPT-5.2 and GPT-5.2-Codex models are deprecated effective immediately across Copilot Chat, inline edits, ask and agent modes, and code comp…
GitHub · GitHub ChangelogGPT-5.5 is now available on Vercel AI Gateway. Two variants: GPT-5.5 and GPT-5.5 Pro, both tuned for long-running agentic work across codin…
Vercel