Claude 4.6 Sonnet vs Gemini 3.5
Direct spec comparison of Claude 4.6 Sonnet (from Anthropic) and Gemini 3.5 (from Google). Want a 3- or 4-way comparison? Open the multi-model tool →
 Claude 4.6 SonnetAnthropic |  Gemini 3.5 | |
|---|---|---|
| Vendor | Anthropic | |
| Family | Claude | Gemini |
| Release date | 2026-02-17 | 2026-05-20 |
| Context window | 1,000,000 tokens | 2,000,000 tokens |
| Parameters | — | — |
| Modality | text, vision | text, vision, audio, video |
| License | proprietary | proprietary |
| Source | proprietary | proprietary |
| Description | Anthropic's mid-tier flagship — released 12 days after Opus 4.6 and matching most of its capabilities at ~40% the API cost ($3/$15 per 1M tokens). 1M-token context. | Google DeepMind's next-gen Gemini — positioned as "frontier intelligence with action". Built for complex agentic workflows. Announced at Google I/O 2026. |
| Links | ||
| Benchmarks | ||
| MMLU-Pro | 85.4% | 88.9% |
| GPQA-D | 85.8% | 91.2% |
| HumanEval | 95.9% | — |
| Aider | 83.6% | — |
| AIME-25 | 87.4% | 96.1% |
| LiveCB | 73.8% | — |
| MMMU | — | 86.0% |
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