GPT 5.1 Codex Max

openai/gpt-5.1-codex-max

Top-tier GPT-5.1 Codex route used when direct OpenAI is unavailable.

Vision
Reasoning
PDF input
Tool calling
Structured output

Chat with this model Create an API key

Pricing

Includes our margin. Charged per request from your balance.

Input: $2.75 per 1M tokens
Output: $22 per 1M tokens
Cache read: $0.275 per 1M tokens
Typical message: $0.096

Details

Provider: OpenAI
Context: 400K tokens
Max output: 128K tokens
Added: Dec 4, 2025
Reasoning effort: none, minimal, low, medium, high, xhigh

Use it from the API

Replace $HIDE_API_KEY with a key from the Developers page. Base URL https://hide.st/api/v1.

curl https://hide.st/api/v1/chat/completions \
  -H "Authorization: Bearer $HIDE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-5.1-codex-max",
    "messages": [
      {"role": "user", "content": "Hello!"}
    ]
  }'