Claude Sonnet 4.6 vs Gemini 2.5 Pro
Side-by-side comparison of API pricing, specs, benchmarks, and capabilities
|
by Anthropic
|
by Google
|
|
|---|---|---|
| Overview | ||
| Status | Current mid tier | Current mid tier |
| Released | Jan 15, 2026 | Mar 1, 2025 |
| Pricing per million tokens | ||
| Input | $3.00/Mtok | $1.25/Mtok |
| Output | $15.00/Mtok | $10.00/Mtok |
| Blended avg | $9.00/Mtok | $5.63/Mtok |
| Cached input | $0.300/Mtok | — |
| Specifications | ||
| Context window | 200K tokens | 2M tokens |
| Parameters | Proprietary | Proprietary |
| Speed (TPS) | — | — |
| Modalities | ||
| Input |
textimage
|
textimageaudiovideo
|
| Benchmarks from Vellum LLM Leaderboard | ||
| Avg benchmark score | 73.8 | 62.8 |
| Perf / dollar | 8.2 | 11.2 |
| GPQA Diamond | — | 68 |
| SWE-Bench | — | 50 |
| HumanEval | — | 87 |
| MATH 500 | — | 80 |
| Providers | ||
| Available from |
Anthropic — $3.00/$15.00/Mtok
|
Google — $1.25/$10.00/Mtok
|
Cost at scale — 1M tokens (50/50 input/output)
| Volume | Claude Sonnet 4.6 | Gemini 2.5 Pro | Savings |
|---|---|---|---|
| 1M tokens | $9 | $5.63 | $3.38 (37.6%) |
| 10M tokens | $90 | $56.25 | $33.75 (37.5%) |
| 100M tokens | $900 | $562.5 | $337.5 (37.5%) |
| 1000M tokens | $9000 | $5625 | $3375 (37.5%) |
Summary
Claude Sonnet 4.6 by Anthropic costs $3.00/Mtok input and $15.00/Mtok output, with a 200K-token context window. It supports text, image input.
Gemini 2.5 Pro by Google costs $1.25/Mtok input and $10.00/Mtok output, with a 2M-token context window. It supports text, image, audio, video input.
On a blended cost basis, Gemini 2.5 Pro is 60% cheaper than Claude Sonnet 4.6. It also has a larger context window.
On benchmarks, Claude Sonnet 4.6 scores higher (73.8 vs 62.8) on average. In terms of value, Gemini 2.5 Pro has better performance per dollar (11.2 vs 8.2).
Note: Pricing is per million tokens. Actual costs vary with usage patterns, prompt caching, and batch discounts. Always verify against official provider pricing pages.