Vercel AI Gateway
GPT 5.1 Thinking
gpt
Model ID openai/gpt-5.1-thinking
Provider Vercel AI Gateway
Family gpt
Status -
Knowledge Cutoff 2024-10
Release Date 2025-08-07
Input Modalities text, image, pdf
Output Modalities text, image
Context Window 400000
Input Limit 272000
Output Limit 128000
Tool Calling Yes
Reasoning Yes
Structured Output -
Temperature Control No
Open Weights No
Input Cost / 1M tokens $1.25
Output Cost / 1M tokens $10.00
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens $0.13
Cache Write Cost / 1M tokens -