Claude Sonnet 5 (Low) vs Gemini 3.5 Flash (High)
Which is better for the money: Claude Sonnet 5 (Low) by Anthropic or Gemini 3.5 Flash (High) by Google? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Trade-off
Verdict
Depends on your budget
Gemini 3.5 Flash (High) scores 8.3 points higher (32.6 vs 24.3) but costs 6.5× as much to run the benchmark ($4222 vs $653; flagship vs premium cost classes). They are not alternatives at one budget: pick Gemini 3.5 Flash (High) when you need intelligence above 24.3, and Claude Sonnet 5 (Low) when 24.3 is enough.
| Metric | Claude Sonnet 5 (Low) | Gemini 3.5 Flash (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 24.3 | 32.6 | +34.2% Gemini 3.5 Flash (Hig… is 34.2% more intelligent |
| Total AA cost (lower is better) | $652.70 | $4,222.12 | +546.9% Gemini 3.5 Flash (Hig… is 6.5× more expensive |
| End-to-end time (lower is better) | 8.35s | 16.46s | +97.1% Gemini 3.5 Flash (Hig… is 97.1% slower |
| Price per 1M tokens (in / out) | $2.00 / $10.0 | $1.50 / $9.00 | |
| Input modalities | Text, Image | Text, Image, Speech, Video |
Gemini 3.5 Flash (High) vs Claude Sonnet 5 (Low): 34.2% more intelligence, 546.9% more cost to run the AA benchmark, and 97.1% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Sonnet 5 (Low) is off the frontier: at the same or lower cost, GPT-6.1 Sol (High) scores 50.20 for $521.
- Gemini 3.5 Flash (High) is off the frontier: at the same or lower cost, Claude Opus 5.5 (Xhigh, Default Fallback) scores 56.00 for $4057.
Claude Sonnet 5 (Low)Gemini 3.5 Flash (High)Today's Pareto frontierEvery other model
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