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OpenAI

o3-pro

o3-pro is an AI model released by OpenAI on Tuesday, Jun 10 2025, 55 days after o4-mini-high.

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o3-pro vs GPT-5.6 Sol o3-pro vs Claude Sonnet 5 o3-pro vs Gemini 3.5 Flash o3-pro vs Muse Spark 1.1 o3-pro vs Grok 4.5 o3-pro vs DeepSeek-V4-Pro o3-pro vs Mistral Medium 3.5 o3-pro vs Kimi K3 o3-pro vs Composer 2.5 o3-pro vs GLM-5.2