Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | Claude Sonnet 4.6 (Non-reasoning, High Effort) | Gemini 2.5 Pro |
|---|---|---|
| Input ($/M tokens) | $3 | $1.25 |
| Output ($/M tokens) | $15 | $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 $6.00/M for Claude Sonnet 4.6 (Non-reasoning, High Effort).
Gemini 2.5 Pro wins 8 out of 12 benchmarks compared to 4 for Claude Sonnet 4.6 (Non-reasoning, High Effort). See the detailed benchmark chart above for per-category results.
Gemini 2.5 Pro generates tokens faster at 142 tok/s vs 57 tok/s. Claude Sonnet 4.6 (Non-reasoning, High Effort) also has lower time-to-first-token (0.99s vs 15.58s).
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.