OpenAI Responses
gpt-5-codex
GPT-5-Codex is a version of GPT-5 optimized for agentic coding tasks in Codex or similar environments
Vision Support
Advanced Reasoning
Caching Support
Pricing
$1.25
Input tokens per million
$10.00
Output tokens per million
Caching Pricing
$1.25
Cache write per million
$0.13
Cache read per million
Technical Specifications
Context Window
400K tokens
Max Output Tokens
128K tokens
Global Availability
Last Updated
N/A