o3

openai/o3

Deliberate o-series reasoner for hard math, coding, and multi-step analysis

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Context window: 200K
Input: Image · Text
Output: Text
Released: 2025-04-16

Max output: 100K
Knowledge cutoff: 2024-06-01
Weights: Closed
Capabilities: Attachments, Reasoning, Structured, Tool call

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Performance

Overall capability

46.2/100

Coding: —
Reasoning: 44.0
Professional work: —
Knowledge & language: 50.6


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MedCode	Professional work	Vals AI	2026-11-05
AA-LCRo3	Knowledge & language	Artificial Analysis	2026-11-05
Mystery Game Puzzles	Reasoning	Epoch AI	2026-11-05
IFBench（Artificial Analysis）o3	Knowledge & language	Artificial Analysis	2026-11-05

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ModelRegistry · Catalog updated 2026-11-05