All Models

OpenAI: GPT-5.1 Codex Mini

gpt-codex Reasoning Tool Calling Attachments

GPT-5.1-Codex-Mini is a smaller and faster version of GPT-5.1-Codex

Providers 2
Released Jan 1, 2025
Input Modalities text, image
Output Modalities text, image
Tarsk Use coding

Benchmarks

38.6
Intelligence Index
36.4
Coding Index
91.7
Math Index

Available Providers (2)

Provider Model ID Input Cost Output Cost Context Max Output Docs
Helicone gpt-5.1-codex-mini $0.25/MTok $2.00/MTok 400K 128K
Kilo Gateway openai/gpt-5.1-codex-mini $0.25/MTok $2.00/MTok 400K 100K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output