Claude Sonnet 4.6 vs Gemini 2.5 Pro
Both models are evenly matched
Arena ELO
Claude Sonnet 4.6
Cheaper
Gemini 2.5 Pro
Faster
Claude Sonnet 4.6
Detailed Comparison
| Category | Claude Sonnet 4.6 | Gemini 2.5 Pro |
|---|---|---|
| Provider | Anthropic | |
| Context Window | 1M | 1M |
| Input Price ($/1M) | $3 | $1.25 WIN |
| Output Price ($/1M) | $15 | $10 WIN |
| Arena ELO | 1440 WIN | 1360 |
| Coding | 79.6% SWE-bench | 75.6% LiveCodeBench |
| Reasoning | 72.5% OSWorld | 84.6% GPQA Diamond |
| Speed (tokens/sec) | ~80 t/s WIN | ~60 t/s |
| Open Source | No | No |
Frequently Asked Questions
Which is cheaper, Claude Sonnet 4.6 or Gemini 2.5 Pro?
Gemini 2.5 Pro is approximately 38% cheaper than Claude Sonnet 4.6 per million tokens.
Which is better for coding, Claude Sonnet 4.6 or Gemini 2.5 Pro?
Claude Sonnet 4.6 scores 79.6% SWE-bench on coding benchmarks, while Gemini 2.5 Pro scores 75.6% LiveCodeBench.
Which has a larger context window?
Claude Sonnet 4.6 supports 1M context, while Gemini 2.5 Pro supports 1M.
Is Claude Sonnet 4.6 or Gemini 2.5 Pro open source?
Claude Sonnet 4.6 is proprietary. Gemini 2.5 Pro is proprietary.
Which ranks higher on the Chatbot Arena leaderboard?
Claude Sonnet 4.6 ranks higher with ELO 1440 vs 1360.
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