Gemini 3.8 Flash (Medium) vs Grok 4.7 (Xhigh)
Which is better for the money: Gemini 3.8 Flash (Medium) by Google or Grok 4.7 (Xhigh) by SpaceXAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Trade-off
Verdict
Depends on your budget
Grok 4.7 (Xhigh) scores 6.6 points higher (46.4 vs 39.8) but costs 4.5× as much to run the benchmark ($4967 vs $1100; flagship vs premium cost classes). They are not alternatives at one budget: pick Grok 4.7 (Xhigh) when you need intelligence above 39.8, and Gemini 3.8 Flash (Medium) when 39.8 is enough.
| Metric | Gemini 3.8 Flash (Medium) | Grok 4.7 (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 39.8 | 46.4 | +16.6% Grok 4.7 (Xhigh) is 16.6% more intelligent |
| Total AA cost (lower is better) | $1,100.06 | $4,967.35 | +351.6% Grok 4.7 (Xhigh) is 4.5× more expensive |
| End-to-end time (lower is better) | Not reported | 72.71s | — not comparable |
| 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 (Medium): 16.6% more intelligence, 351.6% more cost to run the AA benchmark, and end-to-end time not fully reported.
Today's Pareto frontier
Against the frontier
- Gemini 3.8 Flash (Medium) 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 (Medium)Grok 4.7 (Xhigh)Today's Pareto frontierEvery other model
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