OpenAI: GPT-5.1 Codex Max
ChatGPT-5.1-Codex-Max is OpenAI’s latest agentic coding model, designed for long-run...
Basic Info
Mode
Chat
Released
2025-12-04
Context Window
256K
Max Output
128K
Pricing
Input Price
$1.25/M
Output Price
$10/M
Cache Read
$0.13/M
Web Search
$0.01/R
Capabilities
Vision
Function Calling
Reasoning
Prompt Caching
Web Search
Web Fetch
Audio Input
Video Input
PDF Input
Protocols & Providers
Protocols
openai
Provider Count
1
Providers
Azure