GPT 5.1 Codex

openai/gpt-5.1-codex

Coding-focused GPT-5.1 variant with optimized routing.

Vision
Reasoning

Chat with this model Create an API key

Pricing

Includes our margin. Charged per request from your balance.

Input: $1.38 per 1M tokens
Output: $11 per 1M tokens
Cache read: $0.138 per 1M tokens
Typical message: $0.018

Details

Provider: OpenAI
Context: 400K tokens
Max output: 128K tokens
Added: Nov 13, 2025

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",
    "messages": [
      {"role": "user", "content": "Hello!"}
    ]
  }'