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Model details
GPT 5.5 (Fast)
The model overview is being prepared.
Vercel AI Gatewayopenai/gpt-5.5-fastgpt
Quick Info
Powered by- Provider
- Vercel AI Gateway
- Model key
- openai/gpt-5.5-fast
- Release date
- Apr 23, 2026
- Last updated
- Apr 23, 2026
- Knowledge cutoff
- 2025-12-01
- Input modalities
- Output modalities
- Capabilities
Cost
- Input token cost
- $12.50
- Output token cost
- $75.00
Limits
- Input tokens
- 872,000 tokens
- Output tokens
- 128,000 tokens
- Context window
- 1,000,000 tokens
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