OpenAI o3

OpenAI o3

OpenAI's most powerful reasoning model, pushing the frontier across coding, math, science, and visual perception. Trained to think longer before responding and agentically use tools (web search, code execution, image generation) to solve complex problems. Sets new SOTA on benchmarks like Codeforces and MMMU.

ConversationReasoningCode GenerationAnalysisImage Generation
Provider
Openai
Release Date
April 16, 2025
Size
XLARGE
Parameters
Not disclosed

Benchmark Performance

Performance metrics on industry standard AI benchmarks that measure capabilities across reasoning, knowledge, and specialized tasks.

MMMU

82.9%
Source:openai.com

MathVista

87.5%
Source:openai.com

AIME 2025 (Python)

98.4%
Source:openai.com

Codeforces Elo

2706
Source:openai.com

SWE-Bench Verified

69.1%
Source:openai.com

Model Insights

All Model Responses

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