gpt-5.6-luna

gpt-5.6-luna

GPT‑5.6-luna is OpenAI's most capable frontier model, built to deliver faster, more reliable results for complex professional work.
Azure OpenAI
Direct from Azure
Version: 2026-07-09

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About this model

gpt-5.6-luna is a fast, cost-efficient model with up to a 1M-token context window, optimized for low-latency inference, multilingual workloads, and large-context applications at scale.

Key model capabilities

Low latency – Fast response times for real-time applications and interactive experiences.
Cost-efficient at scale – Delivers strong capability at the lowest cost in the GPT‑5.6 series for high-volume workloads.
Scalable reasoning – Performance improves with increased reasoning effort on complex tasks.
Built-in safeguards – Safety mitigations calibrated to the model's capabilities.

Key use cases

gpt‑5.6‑luna is best for real-time AI applications requiring low latency, high throughput, and cost efficiency, including conversational assistants, customer support, content generation, multilingual experiences, enterprise search, document understanding, summarization, and workflow automation at scale.

Out of scope use cases

The provider has not supplied this information.

Quick facts

Model providerAzure OpenAI
TypeChat completion, Responses
LifecycleGenerally available (GA)
Input typetext, image
Output typetext
Context window1050k
Token limits128k output

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