Claude Sonnet 5.5 vs Gemini 3.7 Flash
Claude Sonnet 5.5 (Anthropic) and Gemini 3.7 Flash (Google DeepMind) compared on benchmarks, pricing, context window, and use-case rankings.
- Gemini 3.7 Flash is cheaper on input tokens — $0.75 vs $2.00 per 1M.
- Gemini 3.7 Flash has a larger context window (1M vs 1M tokens).
- Claude Sonnet 5.5 ranks higher for coding (96th vs 89th percentile).
| Attribute | Claude Sonnet 5.5 | Gemini 3.7 Flash |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | — | 157 |
| Coding | 96 | 89 |
| Math | 91 | 74 |
| Reasoning & Knowledge | 76 | 82 |
| Agentic & Tools | 100 | 95 |
| Specifications | ||
| Developer | Anthropic | Google DeepMind |
| Family | Claude | Gemini |
| Released | Sep 28, 2026 | Aug 13, 2026 |
| Parameters | — | — |
| Availability | API access | API access |
| Context window | 1M | 1M |
| Price — $/M input | $2.00 | $0.75 |
| Price — $/M output | $10.00 | $3.75 |
| Inputs | text, image, file | text, image, video, file, audio |
| Outputs | text | text |
| Benchmarks | ||
| AIME 2024/2025 | 100% | 97% |
| APEX | 76% | 68% |
| GPQA Diamond | 96% | 95% |
| SimpleQA Verified | 47% | 69% |
| WebDev Arena | 1699 | 1587 |
| ARC-AGI | — | 96% |
| ARC-AGI-2 | — | 85% |
| Humanity's Last Exam | — | 39% |
| SciCode | — | 60% |
Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.
Frequently asked questions
Which is cheaper, Claude Sonnet 5.5 or Gemini 3.7 Flash?
Gemini 3.7 Flash is cheaper on input tokens at $0.75 per million, versus $2.00 (representative OpenRouter pricing).
Which has a larger context window, Claude Sonnet 5.5 or Gemini 3.7 Flash?
Gemini 3.7 Flash supports up to 1M tokens, compared with 1M for the other.
Which is better for coding, Claude Sonnet 5.5 or Gemini 3.7 Flash?
Across coding benchmarks like SWE-bench Verified and Terminal-Bench, Claude Sonnet 5.5 ranks higher — 96th vs 89th percentile among the models tracked on Model Beat.
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Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.