Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | Claude Sonnet 5 (Adaptive Reasoning, Max Effort) | Gemini 2.5 Pro |
|---|---|---|
| Input ($/M tokens) | $2 | $1.25 |
| Output ($/M tokens) | $10 | $10 |
Data from Artificial Analysis API — 12 benchmarks
Gemini 2.5 Pro is cheaper overall. Its blended price (3:1 input/output ratio) is $3.44/M tokens vs $4.00/M for Claude Sonnet 5 (Adaptive Reasoning, Max Effort).
Gemini 2.5 Pro wins 7 out of 12 benchmarks compared to 5 for Claude Sonnet 5 (Adaptive Reasoning, Max Effort). See the detailed benchmark chart above for per-category results.
Gemini 2.5 Pro generates tokens faster at 141 tok/s vs 87 tok/s. However, Gemini 2.5 Pro has lower time-to-first-token (19.67s vs 134.45s).
Choose based on your priorities: Gemini 2.5 Pro for lower cost, Gemini 2.5 Pro for stronger benchmark performance, and Gemini 2.5 Pro for faster generation. For latency-sensitive apps, check the TTFT comparison above.