Vercel AI Gateway
GPT-5.1 Codex mini
gpt
Model ID openai/gpt-5.1-codex-mini
Provider Vercel AI Gateway
Family gpt
Status -
Knowledge Cutoff 2024-10
Release Date 2025-05-16
Input Modalities text, image, pdf
Output Modalities text
Context Window 400000
Input Limit 272000
Output Limit 128000
Tool Calling Yes
Reasoning Yes
Structured Output -
Temperature Control Yes
Open Weights No
Input Cost / 1M tokens $0.25
Output Cost / 1M tokens $2.00
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens $0.03
Cache Write Cost / 1M tokens -