AI models / OpenAI
GPT-6 Luna
OpenAI's lowest-cost GPT-6 model.
Specs and pricing
| Provider | OpenAI |
|---|---|
| API model ID | gpt-6-luna |
| API price (standard) | $0.10 in / $0.50 out per 1M tokens |
| Pricing note | Short-context pricing up to 272K input tokens; higher long-context rates above that. |
| Context window | Not stated on the page we checked |
| Max output | Not stated on the page we checked |
| Weights | Closed (API only) |
| Cached input | $0.01 / 1M |
Source: OpenAI API pricing (checked 2026-10-15). Prices change often, so confirm on the provider's page before you commit.
Official page