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Model details
GPT 5.1 Thinking (Fast)
The model overview is being prepared.
Vercel AI Gatewayopenai/gpt-5.1-thinking-fastgpt
Quick Info
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- Vercel AI Gateway
- Model key
- openai/gpt-5.1-thinking-fast
- Release date
- Nov 12, 2025
- Last updated
- Nov 12, 2025
- Input modalities
- Output modalities
- Capabilities
Cost
- Input token cost
- $2.50
- Output token cost
- $20.00
Limits
- Input tokens
- 272,000 tokens
- Output tokens
- 128,000 tokens
- Context window
- 400,000 tokens