AI BriefingOpenAI Unveils GPT-5.2-Codex
Key point
OpenAI has released GPT-5.2-Codex, an agentic coding model optimized for professional software engineering and cybersecurity.
Details
OpenAI has released GPT-5.2-Codex, its most advanced agentic coding model optimized for complex, real-world software engineering. This model is built on GPT-5.2, with a focus on maximizing the efficiency and reliability of agentic coding tasks.
Key improvements include:
- Enhanced long-horizon work capability through context compaction
- Optimization for large-scale code changes such as refactoring and migrations
- Improved performance and stability on Windows
- Further strengthened cybersecurity capabilities
It achieved state-of-the-art (SOTA) performance on the SWE-Bench Pro and Terminal-Bench 2.0 benchmarks, and its enhanced vision capabilities allow it to accurately interpret technical diagrams or UI screenshots. This enables turning design mockups directly into functional prototypes.
It is currently available to paying ChatGPT users across all Codex interfaces, and API users are being prepared for access in the coming weeks. OpenAI is also running a limited access program in parallel for verified experts and organizations conducting defensive cybersecurity work.
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