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Model details
GPT 5.1
Find out what this model does, when it was released, and which provider serves it.
NanoGPTopenai/gpt-5.1gpt
Quick Info
- Provider
- NanoGPT
- Model key
- openai/gpt-5.1
- Release date
- Nov 13, 2025
- Last updated
- Nov 13, 2025
- Knowledge
- Unknown
- Input modalities
- text, image, pdf
- Output modalities
- text
- Capabilities
- Reasoning, Tool calling, Structured output, Attachments
- Cost summary
- In $1.25 · Out $10.00
- Limit summary
- 400,000 token context window
Cost
- Input token cost
- $1.25
- Output token cost
- $10.00
Limits
- Input tokens
- 400,000 tokens
- Output tokens
- 128,000 tokens