GPT 5.1 Codex Mini

Review GPT 5.1 Codex Mini on key metrics including price, context length, throughput, and model features.

AuthorOpenAI

Context Length400k

Supports Tools

GPT-5.1-Codex-Mini is a more compact and faster variant of GPT-5.1-Codex.

Last 14 days

Prompt

Completion

42K

Total

Latency (p50)-

Throughput (p50)65.5 tok/s

Input$0.13/M tokens

Output$1.00/M tokens

Cached input$0.01/M tokens

Input Modalitiestext, image

Output Modalitiestext

Supported EndpointsChat Completions

Vision

Supports Tools