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Side-by-side
Claude Sonnet 4.6 vs Gemini 2.5 Pro
Anthropic vs Google Gemini — head-to-head specs and pricing.
Anthropic
Claude Sonnet 4.6
Balanced speed + capability.
Sonnet is Anthropic's balanced model for general agents and chat.
Google Gemini
Gemini 2.5 Pro
Google's top multimodal model.
Gemini 2.5 Pro — strong reasoning, 2M context, native multimodal (text, image, video, audio).
| Spec | Claude Sonnet 4.6 | Gemini 2.5 Pro |
|---|---|---|
| Provider | Anthropic | Google Gemini |
| Input cost / 1M tokens | $3.60 | $1.50 |
| Output cost / 1M tokens | $18.00 | $6.00 |
| Context window | 200,000 tokens | 2,000,000 tokens |
| Max output tokens | 16,000 | 8,000 |
| Streaming support | ✓ | ✓ |
| Tool calling | ✓ | ✓ |
| Vision input | ✓ | ✓ |
| JSON mode | — | — |
| Status | ACTIVE | ACTIVE |
Use both via OneAPIKey — one key, one bill
OneAPIKey aggregates Anthropic, Google Gemini, and 10 more providers behind a single API. Smart Routing automatically picks the best model per request — or you choose explicitly.