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Gpt 5.2 Pro

GPT-5.2 Pro is OpenAI’s most advanced model, offering major improvements in agentic coding and long context performance over GPT-5 Pro. It is optimized for complex tasks that require step-by-step reasoning, instruction following, and accuracy in high-stakes use cases.

Thinking Mode
Parameters
N/A
Context
400,000 tokens
Released
Oct 12, 2025

Leaderboards

Average Score combining domain-specific Autobench scores; Higher is better

Performance vs. Industry Average

Context Window

Gpt 5.2 Pro has a smaller context window than average (406k tokens), with a context window of 400k tokens.

Gpt 5.2 Pro - AutoBench