gpt-5.6-luna

by OpenAI

GPT-5.6 Luna is designed for cost-sensitive, high-volume workloads. It roughly corresponds to the nano model tier used in earlier GPT-5 families.

API Pricing

Input$0.2 / 1M tokens
Output$1.2 / 1M tokens
Cache read$0.02 / 1M tokens

Specifications

Context window1,050,000 tokens
Modalitiestext, image
Featurestool calling, thinking, structured outputs
Endpointschat_completions, responses

FAQ

What is gpt-5.6-luna?

GPT-5.6 Luna is designed for cost-sensitive, high-volume workloads. It roughly corresponds to the nano model tier used in earlier GPT-5 families.

What is the context length of gpt-5.6-luna?

gpt-5.6-luna has a 1,050,000 token context window.

How much does gpt-5.6-luna cost?

On AIHubMix, gpt-5.6-luna costs $0.2 per million input tokens and $1.2 per million output tokens. Cached input reads are billed at $0.02 per million tokens.

What modalities does gpt-5.6-luna support?

gpt-5.6-luna accepts text and image input.

What features does gpt-5.6-luna support?

gpt-5.6-luna supports tool calling, thinking and structured outputs. Per-protocol parameter support is listed in the capability table on this page.

How do I call gpt-5.6-luna via API?

gpt-5.6-luna is available through the AIHubMix unified API. The API is OpenAI-compatible: point your OpenAI SDK at https://aihubmix.com/v1, use your AIHubMix API key, and set the model name to gpt-5.6-luna — no other code changes needed.

Who develops gpt-5.6-luna?

gpt-5.6-luna is developed by OpenAI. AIHubMix aggregates it alongside models from other providers behind one API and one bill.

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Use gpt-5.6-luna via the AIHubMix unified API — one interface for every major LLM.