Claude Sonnet 4.6 vs Gemini 3.7 Flash
Claude Sonnet 4.6 (Anthropic) and Gemini 3.7 Flash (Google DeepMind) compared on benchmarks, pricing, context window, and use-case rankings.
- Gemini 3.7 Flash leads on overall intelligence (ECI 157 vs 152).
- Gemini 3.7 Flash is cheaper on input tokens — $0.75 vs $3.00 per 1M.
- Gemini 3.7 Flash has a larger context window (1M vs 1M tokens).
- Gemini 3.7 Flash ranks higher for coding (91th vs 56th percentile).
| Attribute | Claude Sonnet 4.6 | Gemini 3.7 Flash |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 152 | 157 |
| Coding | 56 | 91 |
| Math | 44 | 80 |
| Reasoning & Knowledge | 52 | 85 |
| Agentic & Tools | 45 | 98 |
| Specifications | ||
| Developer | Anthropic | Google DeepMind |
| Family | Claude | Gemini |
| Released | Feb 17, 2026 | Aug 13, 2026 |
| Parameters | — | — |
| Availability | API access | API access |
| Context window | 1M | 1M |
| Price — $/M input | $3.00 | $0.75 |
| Price — $/M output | $15.00 | $3.75 |
| Inputs | text, image, file | text, image, video, file, audio |
| Outputs | text | text |
| Benchmarks | ||
| AIME 2024/2025 | 86% | 97% |
| APEX | 43% | 68% |
| ARC-AGI | 87% | 96% |
| ARC-AGI-2 | 60% | 85% |
| FrontierMath | 32% | — |
| FrontierMath Tier 4 | 8% | — |
| GPQA Diamond | 87% | 95% |
| Humanity's Last Exam | 34% | 39% |
| SciCode | 50% | 60% |
| SimpleQA Verified | 36% | 69% |
| SWE-bench Verified | 75% | — |
| Terminal-Bench | 53% | — |
| WebDev Arena | 1521 | 1587 |
| WeirdML | 66% | — |
| τ²-bench | 76% | — |
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
Is Claude Sonnet 4.6 better than Gemini 3.7 Flash?
On Epoch AI's Capabilities Index, Gemini 3.7 Flash scores higher (157) than Claude Sonnet 4.6 (152). The right pick depends on your task — compare their coding, math, and reasoning scores in the table above.
Which is cheaper, Claude Sonnet 4.6 or Gemini 3.7 Flash?
Gemini 3.7 Flash is cheaper on input tokens at $0.75 per million, versus $3.00 (representative OpenRouter pricing).
Which has a larger context window, Claude Sonnet 4.6 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 4.6 or Gemini 3.7 Flash?
Across coding benchmarks like SWE-bench Verified and Terminal-Bench, Gemini 3.7 Flash ranks higher — 91th vs 56th 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.