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OpenAI Released March 19, 2025 Synced Apr 19, 2026

OpenAI: o1-pro

The o1 series of models are trained with reinforcement learning to think before they answer and perform complex reasoning. The o1-pro model uses more compute to think harder and provide...

VisionReasoning

Why it stands out

200K-token context window handles longer documents and multi-turn conversations without truncation.
Reasoning capability positions it for multi-step analysis and chain-of-thought tasks.
Multimodal input (vision) extends it beyond text-only workflows.

What to watch

Output pricing ($600/M) puts it at the high end — monitor generation length for cost control.
No tool-use capability is currently tracked, which limits its fit for agentic or function-calling patterns.
No benchmark score currently tracked — evaluate using task-specific testing alongside pricing and capability data.

Release timeline

Tracked events for OpenAI: o1-pro.

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release

OpenAI: o1-pro entered the tracked catalog

March 19, 2025

The o1 series of models are trained with reinforcement learning to think before they answer and perform complex reasoning. The o1-pro model uses more compute to think harder and provide consistently better answers.

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Recent changes

LaunchMar 19

OpenAI launched OpenAI: o1-pro

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