GPT-5.2
OpenAI · December 2025
⚠ deprecatedClosedsparse moemultimodalAPI Available
Context Window400K tokens
Sunset DateJune 2026
Description
Enhanced version of GPT-5 with better steerability (the ability to precisely control the model's behavior through instructions) and improved agentic capabilities — meaning it can plan and execute multi-step tasks more independently.
Key Innovations
Reasoning
ReasoningStructured step-by-step problem solving, often using chain-of-thought or tree-of-thought approaches.
Agentic
AgenticModels that can autonomously plan, execute multi-step tasks, use tools, and self-correct without human intervention.