o1 Pro is a reasoning, general purpose AI model developed by OpenAI, part of the o family. It was released on 2024-12-05. Its tracked lifecycle status is active. It supports a context window of 128,000 tokens.
Specifications
- Organization
- OpenAI
- Model family
- o
- Generation
- 1
- Status
- active
- Released
- 2024-12-05
- Model type
- Reasoning, General Purpose
- Input modalities
- text
- Output modalities
- text
- Context window
- 128,000 tokens
- License
- Proprietary
- Weights
- closed weights
- Official API
- Yes
- Self-hostable
- No
- Last verified
- 2026-08-01
Related models in the o family
- o3 2025-01-31 · active
- o3 Mini 2025-01-31 · active
- o1 2024-09-12 · active
- o1 Mini 2024-09-12 · active
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