Gemini 3.8 Flash (High) vs Grok 4.6 (Medium)
Which is better for the money: Gemini 3.8 Flash (High) by Google or Grok 4.6 (Medium) by SpaceXAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Clear winner
Verdict
Pick Grok 4.6 (Medium)
Grok 4.6 (Medium) vs Gemini 3.8 Flash (High): 4.6% more intelligence, 4.0% less cost to run the AA benchmark, and 6.8% slower end-to-end.
| Metric | Gemini 3.8 Flash (High) | Grok 4.6 (Medium) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 40.9 | 42.8 | +4.6% Grok 4.6 (Medium) is 4.6% more intelligent |
| Total AA cost (lower is better) | $1,622.73 | $1,557.04 | −4.0% Grok 4.6 (Medium) is 4.0% cheaper |
| End-to-end time (lower is better) | 30.91s | 33.02s | +6.8% Grok 4.6 (Medium) is 6.8% slower |
| Price per 1M tokens (in / out) | $0.75 / $3.75 | $2.00 / $6.00 | |
| Input modalities | Text, Image, Speech, Video | Text, Image |
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 4.6 (Medium) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
Gemini 3.8 Flash (High)Grok 4.6 (Medium)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-4-6-medium · Markdown: /api/v1/compare/gemini-3-8-flash/grok-4-6-medium?format=md · llms.txt · agent skill