← All Comparisons
Gemini 2.5 Pro vs Claude Sonnet 4.5
A detailed comparison of Gemini 2.5 Pro (Google) and Claude Sonnet 4.5 (Anthropic) across pricing, performance, and features.
Pricing Comparison
| Metric | Gemini 2.5 Pro | Claude Sonnet 4.5 | Difference |
|---|---|---|---|
| Input / 1M tokens | $1.25 | $3.00 | +140% |
| Output / 1M tokens | $10.00 | $15.00 | +50% |
| Context window | 1M | 200K | — |
| Max output | 65.536K | 16K | — |
Benchmark Comparison
| Benchmark | Gemini 2.5 Pro | Claude Sonnet 4.5 |
|---|---|---|
| MMLU-Pro | 87.5% | 84.5% |
| HumanEval | 93.5% | 93% |
| GPQA | 76% | 68.2% |
Capabilities
| Capability | Gemini 2.5 Pro | Claude Sonnet 4.5 |
|---|---|---|
| audio | ✓ | ✗ |
| code | ✓ | ✓ |
| reasoning | ✓ | ✓ |
| text | ✓ | ✓ |
| tool-use | ✓ | ✓ |
| vision | ✓ | ✓ |
Gemini 2.5 Pro Strengths
- ✓Competitive pricing for its capabilities
- ✓1M context window
- ✓Well-tested and stable
Gemini 2.5 Pro Weaknesses
- ✗Being superseded by Gemini 3 Pro
Claude Sonnet 4.5 Strengths
- ✓Well-tested and stable
- ✓Strong coding and analysis
Claude Sonnet 4.5 Weaknesses
- ✗Superseded by Sonnet 4.6
- ✗Same price as the newer model
Quick Verdict
Best value: Gemini 2.5 Pro is the more affordable option at $1.25/$10 per 1M tokens.
Higher benchmarks: Gemini 2.5 Pro scores higher on average across available benchmarks (85.7% avg).
Larger context: Gemini 2.5 Pro supports 1M tokens.
Choose Gemini 2.5 Pro if cost matters most. Choose Claude Sonnet 4.5 if you need the best possible quality for complex tasks.