GPT-6 Luna
An efficient reasoning model for focused, high-volume tasks, with text and image input, a 1.05M-token context window, and adjustable reasoning effort.
Source: Official model specifications and supported features, API release date: September 22, 2026, 1024-token cache minimum and default 30-minute minimum lifetime, Reasoning token billing, Pricing, context tiers, and service tiers, Azure OpenAI pricing
Decision pricing
Every billing leg from the live catalog, in USD per 1M tokens.
| Billing leg | Standard | Long context |
|---|---|---|
| Input | $0.1 / M | $0.2 / M |
| Output | $0 / M | — |
Long-context rates apply above 272,000 input tokens.
Cost calculator
Estimate costs using the decision rate card above.
Provider
Where this model runs, and what it charges.
| Platform | Region | Input / M | Output / M | Batch | Access |
|---|---|---|---|---|---|
OpenAI | $0.1 | $0 | - | First-party API |
Some hosts price by region. Shown rates match the selected region.
Price history
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Rates are generated from SuperPenguin's live pricing catalog.