o1
active Active
o1 is an active OpenAI LLM API model. As of May 24, 2026 it has no announced deprecation or retirement date.
Lifecycle & specs
- Provider
- OpenAI
- API model ID
o1- Status
- active
- Released
- Dec 17, 2024
- Replacement
openai/o3- Context window
- 200,000 tokens
- Input price
- $15.00 / 1M tokens
- Output price
- $60.00 / 1M tokens
- Knowledge cutoff
- 2023-10-31
- Pricing checked
- May 22, 2026
Source: official OpenAI documentation ↗ · ✓ verified