All Models

OpenAI: GPT-5.2-Codex

Reasoning Tool Calling Attachments

GPT-5.2-Codex is an upgraded version of GPT-5.1-Codex optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....

Providers 1
Released Jan 14, 2026
Input Modalities text, image
Output Modalities text
Tarsk Use coding

Benchmarks

49
Intelligence Index
43
Coding Index

Available Providers (1)

Provider Model ID Input Cost Output Cost Context Max Output Docs
Kilo Gateway openai/gpt-5.2-codex $1.75/MTok $14.00/MTok 400K 128K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output