Today we’re releasing GPT‑5.2-Codex, the most advanced agentic coding model yet for complex, real-world software engineering. GPT‑5.2-Codex is a version of GPT‑5.2⁠ further optimized for agentic coding in Codex, including improvements on long-horizon work through context compaction, stronger performance on large code changes like refactors and migrations, improved performance in Windows environments, and significantly stronger cybersecurity capabilities.As our models continue to advance along th...