OpenAI: GPT-5.2 Pro
OpenAIllm
Published December 10, 2025
About
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. It supports test-time routing features and advanced prompt understanding, including user-specified intent like "think hard about this." Improvements include reductions in hallucination, sycophancy, and better performance in coding, writing, and health-related tasks.
Try OpenAI: GPT-5.2 Pro
Test this model in the Sandbase Playground with your own prompts.
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