token.app › Compare › GPT-6 Luna Pro vs Gemini 3.7 Flash
GPT-6 Luna Pro vs Gemini 3.7 Flash
GPT-6 Luna Pro is 7.5× cheaper per token on a blended 3:1 basis. GPT-6 Luna Pro accepts the larger context window (1.1M).
Head to head
Blended price uses a 3:1 input:output mix
| GPT-6 Luna Pro | Gemini 3.7 Flash | |
|---|---|---|
| Provider | OpenAI | |
| Input $/1M | $0.100 | $0.750 |
| Output $/1M | $0.500 | $3.75 |
| Blended $/1M | $0.200 | $1.50 |
| Context window | 1.1M | 1.0M |
| Max output | 128K | 66K |
| Released | Sep 2026 | Aug 2026 |
| Licence | Proprietary | Proprietary |
Choose GPT-6 Luna Pro if…
- Costs less per token — $0.200 vs $1.50 blended
- Larger context window (1.1M)
- Newer model (released Sep 2026)
Choose Gemini 3.7 Flash if…
- No clear advantage on the data we hold.
FAQ
Which is better, GPT-6 Luna Pro or Gemini 3.7 Flash?
We do not hold independently-run benchmark scores covering both GPT-6 Luna Pro and Gemini 3.7 Flash, so we make no quality claim. Their pricing and specifications are compared on this page.
Is GPT-6 Luna Pro cheaper than Gemini 3.7 Flash?
GPT-6 Luna Pro is cheaper: $0.200 versus $1.50 per million tokens blended at 3:1 input:output. Input alone: $0.100 vs $0.750. Output alone: $0.500 vs $3.75.
What context windows do GPT-6 Luna Pro and Gemini 3.7 Flash have?
GPT-6 Luna Pro: 1,050,000 tokens. Gemini 3.7 Flash: 1,048,576 tokens.
Who makes GPT-6 Luna Pro and Gemini 3.7 Flash?
GPT-6 Luna Pro is made by OpenAI. Gemini 3.7 Flash is made by Google.