According to UsagePricing's tracker, GPT-5.6 Luna costs $1.00 per 1M input tokens and $6.00 per 1M output tokens as of July 2026. The model supports a 1,000,000-token context window.
Efficient tier of the GPT-5.6 family — fast, affordable general intelligence with a 1M context window.
Token Costs (per 1M)
Technical Specs
Price History
| Date | Input Price | Output Price |
|---|---|---|
| 7/9/2026 | $1.00 | $6.00 |
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Frequently Asked Questions
How much does GPT-5.6 Luna cost per 1M tokens? ▼
GPT-5.6 Luna costs $1 per 1M input tokens and $6 per 1M output tokens as of July 2026.
What is GPT-5.6 Luna's context window? ▼
GPT-5.6 Luna has a context window of 1,000,000 tokens, meaning it can process approximately 750,000 words in a single request.
Who makes GPT-5.6 Luna? ▼
GPT-5.6 Luna is made by OpenAI. You can access it via the OpenAI API.