Head to head
Anthropic: Claude Sonnet 4.6 vs Google: Gemini 3.5 Flash
Live prices, context windows, capabilities, and measured quality — updated continuously.
Side by side
| Metric | Anthropic: Claude Sonnet 4.6 Anthropic | Google: Gemini 3.5 Flash Google Ai Studio |
|---|---|---|
| Input $/M tokens | $3.00 | $1.50 |
| Output $/M tokens | $15.00 | $9.00 |
| Context window | 1.0M | 1.0M |
| Max output | 128K | 66K |
| WM Score | 81 | 81 |
| Benchmark quality | 76.5 | 79.6 |
| Hosts serving it | 5 | 2 |
| Throughput (tok/s) | 40 | 171 |
| Latency (ms) | 1104 | 1612 |
| Vision | ||
| Tools | ||
| Reasoning | ||
| JSON mode |
Which should you pick?
Google: Gemini 3.5 Flash costs less per million input tokens — about 2.0× cheaper than Anthropic: Claude Sonnet 4.6. Google: Gemini 3.5 Flash scores higher on measured quality. Google: Gemini 3.5 Flash takes a larger context window, which matters for long documents or big codebases. Prices here are live list prices; the same model can cost less on a different host, so check the model page for the cheapest offering.