GPT-6 Luna Pro is cheaper than Gemini Pro 1.0 at $0.1/M vs $0.5/M input tokens.
| Spec | Gemini Pro 1.0 | GPT-6 Luna Pro |
|---|---|---|
| Input price | $0.5/M tokens | $0.1/M tokens |
| Output price | $1.5/M tokens | $0.5/M tokens |
| Context window | 33K tokens | 1.1M tokens |
| Weights | — | Closed |
| Free API (OpenRouter) | No | No |
| Released | Dec 2023 | Sep 2026 |
Not enough votes to call it. On the specs, GPT-6 Luna Pro has the edge: newer, bigger context window.
GPT-6 Luna Pro costs 3.0x less per token.
GPT-6 Luna Pro is cheaper on both: 5.0× input, 3.0× output.
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 25 Sep 2026.