OpenAI releases GPT-5.2

On December 11, 2025, OpenAI released GPT-5.2, positioned as its best model for professional work and long-running agents.

At expert level

GPT-5.2 Thinking matched or outperformed human experts on 70.9% of tasks in the GDPval test. It excelled at spreadsheets, presentations, code, images, and long context.

Also for code

OpenAI simultaneously released GPT-5.2-Codex, focused on agentic coding and stronger cybersecurity.