Gemini 2.5 Pro is Google's mature flagship with a 2M token context window, ideal for long-document and video analysis. At $1.25/$10 per 1M tokens it delivers frontier-class quality at roughly half the price of GPT-5.4 or Claude Opus 4.7.
Pricing Breakdown
| Volume | Input Cost | Output Cost | Combined (50/50) |
|---|---|---|---|
| 1,000 tokens | $0.0013 | $0.0100 | $0.0056 |
| 10,000 tokens | $0.0125 | $0.1000 | $0.0563 |
| 100,000 tokens | $0.1250 | $1.0000 | $0.5625 |
| 1,000,000 tokens | $1.2500 | $10.0000 | $5.6250 |
Strengths
- ✓2M token context window — among the largest available
- ✓Strong multimodal reasoning across text, video, and audio
- ✓Excellent price-to-quality ratio vs. flagships
- ✓Mature and stable general-availability model
Weaknesses
- ✗Input pricing roughly doubles above 200K context
- ✗Slightly behind Gemini 3.1 Pro on reasoning benchmarks
Compare Gemini 2.5 Pro With
Frequently Asked Questions
How much does Gemini 2.5 Pro cost?
Gemini 2.5 Pro costs $1.25/1M per 1M input tokens and $10.00/1M per 1M output tokens.
What is Gemini 2.5 Pro's context window?
Gemini 2.5 Pro has a context window of 2M tokens, which means it can process up to 2,000,000 tokens in a single request.
Is Gemini 2.5 Pro open source?
No, Gemini 2.5 Pro is a proprietary model by Google and is not open source.
What is Gemini 2.5 Pro best used for?
Gemini 2.5 Pro is best suited for: long-context, document-analysis, image-understanding, research, reasoning. 2M token context window — among the largest available.
What is Gemini 2.5 Pro's ELO score?
Gemini 2.5 Pro has an ELO score of 1385 on the LMSYS Chatbot Arena leaderboard, placing it among top-tier models.