GPT-6 Luna is cheaper than Gemini 1.5 Pro at $0.1/M vs $3.5/M input tokens.
| Spec | Gemini 1.5 Pro | GPT-6 Luna |
|---|---|---|
| Input price | $3.5/M tokens | $0.1/M tokens |
| Output price | $10.5/M tokens | $0.5/M tokens |
| Context window | 1.0M tokens | 1.1M tokens |
| Weights | — | Closed |
| Free API (OpenRouter) | No | No |
| Released | Feb 2024 | Sep 2026 |
Not enough votes to call it. On the specs, nothing separates them.
GPT-6 Luna costs 21x less per token.
GPT-6 Luna is cheaper on both: 35× input, 21× output.
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 25 Sep 2026.