Gemini 3.8 Flash (High) vs Grok 4.7 (Xhigh)
Which is better for the money: Gemini 3.8 Flash (High) by Google or Grok 4.7 (Xhigh) by SpaceXAI? 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
Grok 4.7 (Xhigh) scores 5.5 points higher (46.4 vs 40.9) but costs 3.1× as much to run the benchmark ($4967 vs $1623; flagship vs premium cost classes). They are not alternatives at one budget: pick Grok 4.7 (Xhigh) when you need intelligence above 40.9, and Gemini 3.8 Flash (High) when 40.9 is enough.
| Metric | Gemini 3.8 Flash (High) | Grok 4.7 (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 40.9 | 46.4 | +13.4% Grok 4.7 (Xhigh) is 13.4% more intelligent |
| Total AA cost (lower is better) | $1,622.73 | $4,967.35 | +206.1% Grok 4.7 (Xhigh) is 3.1× more expensive |
| End-to-end time (lower is better) | 31.19s | 35.66s | +14.3% Grok 4.7 (Xhigh) is 14.3% slower |
| Price per 1M tokens (in / out) | $0.75 / $3.75 | $2.00 / $6.00 | |
| Input modalities | Text, Image, Speech, Video | Text, Image |
Grok 4.7 (Xhigh) vs Gemini 3.8 Flash (High): 13.4% more intelligence, 206.1% more cost to run the AA benchmark, and 14.3% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Gemini 3.8 Flash (High) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- Grok 4.7 (Xhigh) is off the frontier: at the same or lower cost, Claude Opus 5.5 (Xhigh, Default Fallback) scores 56.00 for $4057.
Gemini 3.8 Flash (High)Grok 4.7 (Xhigh)Today's Pareto frontierEvery other model
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gemini-3-8-flash/grok-4-7 · Markdown: /api/v1/compare/gemini-3-8-flash/grok-4-7?format=md · llms.txt · agent skill