Claude Sonnet 5.5 (High, Default Fallback) vs Gemini 3.1 Pro Preview
Which is better for the money: Claude Sonnet 5.5 (High, Default Fallback) by Anthropic or Gemini 3.1 Pro Preview by Google? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Clear winner
Verdict
Pick Claude Sonnet 5.5 (High, Default Fallback)
Gemini 3.1 Pro Preview vs Claude Sonnet 5.5 (High, Default Fallback): 36.5% less intelligence, 88.4% more cost to run the AA benchmark, and 53.7% slower end-to-end.
| Metric | Claude Sonnet 5.5 (High, Default Fallback) | Gemini 3.1 Pro Preview | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 46.8 | 29.7 | −36.5% Gemini 3.1 Pro Preview is 36.5% less intelligent |
| Total AA cost (lower is better) | $1,027.40 | $1,935.39 | +88.4% Gemini 3.1 Pro Preview is 88.4% more expensive |
| End-to-end time (lower is better) | 15.86s | 24.38s | +53.7% Gemini 3.1 Pro Preview is 53.7% slower |
| Price per 1M tokens (in / out) | $2.00 / $10.0 | $2.00 / $12.0 | |
| Input modalities | Text, Image | Text, Image, Speech, Video |
Today's Pareto frontier
Against the frontier
- Claude Sonnet 5.5 (High, Default Fallback) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
- Gemini 3.1 Pro Preview is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
Claude Sonnet 5.5 (High, Default Fallback)Gemini 3.1 Pro PreviewToday's Pareto frontierEvery other model
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-sonnet-5-5-high/gemini-3-1-pro-preview · Markdown: /api/v1/compare/claude-sonnet-5-5-high/gemini-3-1-pro-preview?format=md · llms.txt · agent skill