All Models

OpenAI: GPT-5 Codex

Reasoning Tool Calling Attachments

GPT-5-Codex is a specialized version of GPT-5 optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....

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

Benchmarks

44.6
Intelligence Index
38.9
Coding Index
98.7
Math Index

Available Providers (2)

Provider Model ID Input Cost Output Cost Context Max Output Docs
Kilo Gateway openai/gpt-5-codex $1.25/MTok $10.00/MTok 400K 128K
Helicone gpt-5-codex $1.25/MTok $10.00/MTok 400K 128K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output