GPT-5.6 Luna
by OpenAI
GPT-5.6 Luna is a fast, cost-efficient model in OpenAI's GPT-5.6 series. It is suited for high-volume, latency-sensitive tasks such as chat, classification, and lightweight agentic
Models
GPT-5.6 Luna
Added 10 July 2026
Overview
GPT-5.6 Luna is a fast, cost-efficient model in OpenAI's GPT-5.6 series. It is suited for high-volume, latency-sensitive tasks such as chat, classification, and lightweight agentic workflows, providing capable reasoning for...
How to use / API access
Call via OpenRouter with model id `openai/gpt-5.6-luna`.
- openrouter ·
openai/gpt-5.6-lunaDocs
OpenRouter id: openai/gpt-5.6-luna
Benchmarks
- Intelligence Index (artificial-analysis) : 51.2 index
- Coding Index (artificial-analysis) : 71.4 index
- Agentic Index (artificial-analysis) : 45.6 index
Notes
GPT-5.6 Luna is listed in the EDNA Models directory from the OpenRouter catalogue.
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