token.app › Compare › Gemini 2.5 Pro vs GPT-5.6 Luna
Gemini 2.5 Pro vs GPT-5.6 Luna
GPT-5.6 Luna is 15× cheaper per token on a blended 3:1 basis. GPT-5.6 Luna accepts the larger context window (1.1M).
Head to head
Blended price uses a 3:1 input:output mix
| Gemini 2.5 Pro | GPT-5.6 Luna | |
|---|---|---|
| Provider | OpenAI | |
| Input $/1M | $1.25 | $0.100 |
| Output $/1M | $10.00 | $0.600 |
| Blended $/1M | $3.44 | $0.225 |
| Context window | 1.0M | 1.1M |
| Max output | 66K | 128K |
| Released | Jun 2025 | Jul 2026 |
| Licence | Proprietary | Proprietary |
Choose Gemini 2.5 Pro if…
- No clear advantage on the data we hold.
Choose GPT-5.6 Luna if…
- Costs less per token — $0.225 vs $3.44 blended
- Larger context window (1.1M)
- Newer model (released Jul 2026)
FAQ
Which is better, Gemini 2.5 Pro or GPT-5.6 Luna?
We do not hold independently-run benchmark scores covering both Gemini 2.5 Pro and GPT-5.6 Luna, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Gemini 2.5 Pro cheaper than GPT-5.6 Luna?
GPT-5.6 Luna is cheaper: $0.225 versus $3.44 per million tokens blended at 3:1 input:output. Input alone: $1.25 vs $0.100. Output alone: $10.00 vs $0.600.
What context windows do Gemini 2.5 Pro and GPT-5.6 Luna have?
Gemini 2.5 Pro: 1,048,576 tokens. GPT-5.6 Luna: 1,050,000 tokens.
Who makes Gemini 2.5 Pro and GPT-5.6 Luna?
Gemini 2.5 Pro is made by Google. GPT-5.6 Luna is made by OpenAI.