FrontierThe story, in brief
Introducing GPT-5.2-Codex
OpenAI's GPT-5.2-Codex lands with long-horizon reasoning and large-scale code transformations—a direct shot at engineering productivity.
The KeyNews take
Why it matters
A new specialized coding model from OpenAI raises the bar on code reasoning and scale, forcing competitors and enterprises to recalibrate their AI engineering strategies.
The key facts
5 to knowModel: GPT-5.2-Codex (OpenAI)
Key capabilities: long-horizon reasoning, large-scale code transformations, enhanced cybersecurity
Published: December 18, 2025
Official source: openai.com
Positioning: 'most advanced coding model'
Go to the source
OpenAI Blogopenai.com
Publisher excerpt: GPT-5.2-Codex is OpenAI’s most advanced coding model, offering long-horizon reasoning, large-scale code transformations, and enhanced cybersecurity capabilities.