Leaderboard · Model · Updated
Gemini 2.5 Pro
Google's flagship — 2M-token context, native multimodal, strong reasoning.
At a glance
| Provider | |
|---|---|
| Released | 2025-03 |
| Tier | frontier |
| License | Closed / proprietary |
| Modalities | text, image, audio, video |
| Context window | 2M tokens |
| Max output | 65.536k tokens |
| API price · input | $1.25 / 1M tokens |
| API price · output | $10.00 / 1M tokens |
Benchmark performance
How Gemini 2.5 Pro stacks up against the current leader (GPT-5) and the median model in the leaderboard:
| Benchmark | Gemini 2.5 Pro | GPT-5 | Median |
|---|---|---|---|
| Chatbot Arena Elo | 1380 | 1410 | 1320 |
| MMLU-Pro | 86.0 | 86.8 | 78.0 |
| GPQA Diamond | 84.0 | 87.3 | 65.0 |
| MATH | 92.0 | 96.7 | 78.3 |
| HumanEval | 92.0 | 95.1 | 92.0 |
| SWE-Bench Verified | 63.8 | 74.9 | 49.0 |
Numbers compiled from provider technical reports and Chatbot Arena. See methodology for the composite-score formula.
OpenRouter routes your requests across Gemini 2.5 Pro, GPT-5, Claude, Gemini, and 100+ other models behind a single API key — pay-as-you-go, no monthly minimum. Try OpenRouter → (affiliate · supports this site)
What does Gemini 2.5 Pro cost in practice?
API pricing is $1.25 per 1M input tokens and $10.00 per 1M output tokens. Assuming a 50/50 input/output split, here is what that looks like at three workload sizes:
| Volume | Per day | Per month | Per year |
|---|---|---|---|
| 1M tokens/day | $5.63 | $168.75 | $2,053 |
| 10M tokens/day | $56.25 | $1,688 | $20,531 |
| 100M tokens/day | $562.50 | $16,875 | $205,313 |
Strengths & weaknesses
Where it shines
- MMLU-Pro: 86.0 (rank #4 of 29, top tier)
- GPQA: 84.0 (rank #4 of 29, top tier)
- Arena: 1380 (rank #5 of 27, top tier)
Where it lags
No clear weaknesses across published benchmarks.
Best alternatives
The closest models to Gemini 2.5 Pro by tier and benchmark score:
| Model | Score | $ in / out | Context | Action |
|---|---|---|---|---|
| Claude Opus 4.1 Anthropic |
83.6 | $15.00 / $75.00 | 200k | Try → · vs Gemini |
| Grok 4 xAI |
83.6 | $3.00 / $15.00 | 256k | Try → · vs Gemini |
| o3 OpenAI |
83.7 | $2.00 / $8.00 | 200k | Try → · vs Gemini |
| GPT-5 OpenAI |
86.0 | $1.25 / $10.00 | 400k | Try → · vs Gemini |
| o1 OpenAI |
75.7 | $15.00 / $60.00 | 200k | Try → · vs Gemini |
Frequently asked questions
Is Gemini 2.5 Pro a good model?
Gemini 2.5 Pro scores 80.9 on the llmrank.top composite (rank #6 of 30). It is competitive with the leaders (GPT-5 tops the board at 86.0). Whether it's the right fit depends on your workload — see the use-case discussion on this page.
How much does Gemini 2.5 Pro cost?
Gemini 2.5 Pro is priced at $1.25 per 1M input tokens and $10.00 per 1M output tokens (USD). For a 10M-token-per-day workload split 50/50, that works out to roughly $56.25/day or $20,531/year.
What is Gemini 2.5 Pro's context window?
2M tokens. That is large enough to ingest entire codebases or full books in one prompt.
Is Gemini 2.5 Pro open source?
No — it is a closed (proprietary) model accessed only via the provider API.
What is Gemini 2.5 Pro's SWE-Bench score?
Gemini 2.5 Pro scores 63.8% on SWE-Bench Verified — the benchmark that measures real-world GitHub issue resolution. Its Chatbot Arena Elo is 1380.
What are the best alternatives to Gemini 2.5 Pro?
Closest alternatives by tier and score: Claude Opus 4.1, Grok 4, o3. See the alternatives section on this page for side-by-side numbers.
Related: Claude Opus 4.1 · Grok 4 · o3 · Full leaderboard
Spotted out-of-date numbers? Open an issue — corrections usually ship within 24h.
Try Gemini 2.5 Pro now
Direct link to the official playground — or use OpenRouter to A/B test it against any other model on a single API key.