o3-pro

openai/o3-pro

High-effort o3 tier for difficult technical reasoning and careful answers

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Context window: 200K
Input: Image · Text
Output: Text
Released: 2025-06-10

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

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MCP Atlas	Professional work	Scale AI	2026-11-05
MCP Atlas	Professional work	Scale AI	2026-10-18
Aider Polyglot	Coding	Aider	2025-06-28

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ModelRegistry · Catalog updated 2026-11-05