GPT-6 Luna Pro is the same underlying model as [GPT-6 Luna](https://openrouter.ai/openai/gpt-6-luna), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode
Specifications
| Provider | OpenAI |
|---|---|
| Intelligence Index | 37.3 (Artificial Analysis) |
| Context window | 1,050,000 tokens (1.1M) |
| Input price | $0.1 / 1M tokens |
| Output price | $0.5 / 1M tokens |
| Input modalities | file, image, text |
| Output modalities | text |
| Model ID | openai/gpt-6-luna-pro |
Pricing is per 1M tokens, indicative pricing via OpenRouter (updated 2026-09-28); a provider's own list price may differ. Intelligence Index via Artificial Analysis.
Frequently asked questions
How capable is GPT-6 Luna Pro?
GPT-6 Luna Pro scores 37.3 on the Artificial Analysis Intelligence Index, an aggregate of reasoning, knowledge, coding, and math benchmarks (higher is better). Compare it head-to-head with other models on the comparison pages below, or run it against them directly on Vincony.
How much does GPT-6 Luna Pro cost?
Indicative pricing (via OpenRouter, updated 2026-09-28) is $0.1 per 1M input tokens and $0.5 per 1M output tokens. A provider's own list price may differ. On Vincony, GPT-6 Luna Pro is available on credit-based pricing alongside 750+ other models.
What is GPT-6 Luna Pro's context window?
GPT-6 Luna Pro supports a context window of up to 1,050,000 tokens (1.1M), which is how much text it can consider at once.
Who makes GPT-6 Luna Pro?
GPT-6 Luna Pro is built by OpenAI. You can access it — and compare it against other providers' models — through Vincony's multi-model platform.
How do I use GPT-6 Luna Pro?
You can use GPT-6 Luna Pro directly through OpenAI, or via Vincony, which aggregates 750+ models (including GPT-6 Luna Pro) into one interface with side-by-side comparison and credit-based pricing.