Gemini 3.1 Pro Preview vs Grok 4.3 (Non-reasoning)
Which is better for the money: Gemini 3.1 Pro Preview by Google or Grok 4.3 (Non-reasoning) by SpaceXAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Trade-off
Verdict
Depends on your budget
Gemini 3.1 Pro Preview scores 15.7 points higher (29.7 vs 14.0) but costs 7.7× as much to run the benchmark ($1935 vs $250; premium vs mid-range cost classes). They are not alternatives at one budget: pick Gemini 3.1 Pro Preview when you need intelligence above 14.0, and Grok 4.3 (Non-reasoning) when 14.0 is enough.
| Metric | Gemini 3.1 Pro Preview | Grok 4.3 (Non-reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 29.7 | 14.0 | −52.9% Grok 4.3 (Non-reasoni… is 52.9% less intelligent |
| Total AA cost (lower is better) | $1,935.39 | $250.37 | −87.1% Grok 4.3 (Non-reasoni… is 87.1% cheaper |
| End-to-end time (lower is better) | 24.90s | 5.89s | −76.3% Grok 4.3 (Non-reasoni… is 76.3% faster |
| Price per 1M tokens (in / out) | $2.00 / $12.0 | $1.25 / $2.50 | |
| Input modalities | Text, Image, Speech, Video | Text, Image |
Grok 4.3 (Non-reasoning) vs Gemini 3.1 Pro Preview: 52.9% less intelligence, 87.1% less cost to run the AA benchmark, and 76.3% faster end-to-end.
Today's Pareto frontier
Against the frontier
- 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.
- Grok 4.3 (Non-reasoning) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
Gemini 3.1 Pro PreviewGrok 4.3 (Non-reasoning)Today's Pareto frontierEvery other model
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gemini-3-1-pro-preview/grok-4-3-non-reasoning · Markdown: /api/v1/compare/gemini-3-1-pro-preview/grok-4-3-non-reasoning?format=md · llms.txt · agent skill