OpenAI: GPT-5.1-Codex-Max
400K context$1.25/M input$10.00/M output
openai/gpt-5.1-codex-maxDescription
GPT-5.1-Codex-Max is OpenAI’s latest agentic coding model, designed for long-running, high-context software development tasks. It is based on an updated version of the 5.1 reasoning stack and trained on agentic...
Quick Start
curl https://router.tangle.tools/v1/chat/completions \
-H "Authorization: Bearer $TANGLE_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "openai/gpt-5.1-codex-max",
"messages": [{"role": "user", "content": "Hello!"}]
}'Modalities
Input: TextInput: ImageOutput: Text
Pricing
Input$1.25/M
Output$10.00/M
Context400K tokens
Model Info
ProviderOpenAI
IDopenai/gpt-5.1-codex-max