All Models

GPT-5 Codex

gpt-codex Reasoning Tool Calling Attachments Structured Output

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 13
Released Sep 15, 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 (13)

Provider Model ID Input Cost Output Cost Context Max Output Docs
OpenCode Zen gpt-5-codex $1.07/MTok $8.50/MTok 400K 128K
Poe openai/gpt-5-codex $1.10/MTok $9.00/MTok 400K 128K
Jiekou.AI gpt-5-codex $1.13/MTok $9.00/MTok 400K 128K
Abacus gpt-5-codex $1.25/MTok $10.00/MTok 400K 128K
OpenRouter openai/gpt-5-codex $1.25/MTok $10.00/MTok 400K 128K
ZenMux openai/gpt-5-codex $1.25/MTok $10.00/MTok 400K 64K
AIHubMix gpt-5-codex $1.25/MTok $10.00/MTok 400K 128K
Azure Cognitive Services gpt-5-codex $1.25/MTok $10.00/MTok 400K 128K
OpenAI gpt-5-codex $1.25/MTok $10.00/MTok 400K 128K
Requesty openai/gpt-5-codex $1.25/MTok $10.00/MTok 400K 128K
Vercel AI Gateway openai/gpt-5-codex $1.25/MTok $10.00/MTok 400K 128K
Azure gpt-5-codex $1.25/MTok $10.00/MTok 400K 128K
NanoGPT openai/gpt-5-codex $10.00/MTok $19.99/MTok 256K 32.8K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output