GPT 5.6 Luna

openai/gpt-5.6-luna

GPT-5.6 Luna is the fast, cost-efficient model in OpenAI's GPT-5.6 series. It is suited for high-volume chat, classification, lightweight agentic workflows, and latency-sensitive reasoning tasks.

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: $0.22 per 1M tokens
Output: $1.32 per 1M tokens
Cache read: $0.022 per 1M tokens
Cache write: $0.275 per 1M tokens
Typical message: $0.0015

Details

Provider: OpenAI
Context: 1.1M tokens
Max output: 128K tokens
Added: Jul 9, 2026
Reasoning effort: none, low, medium, high, xhigh, max

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-5.6-luna",
    "messages": [
      {"role": "user", "content": "Hello!"}
    ]
  }'

Pricing

Details

Use it from the API

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