Gemini 3.5 Flash (High) vs GPT-5 mini (High)
Which is better for the money: Gemini 3.5 Flash (High) by Google or GPT-5 mini (High) by OpenAI? 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 3.5 Flash (High) scores 15.8 points higher (32.6 vs 16.8) but costs 22× as much to run the benchmark ($4222 vs $189; flagship vs mid-range cost classes). They are not alternatives at one budget: pick Gemini 3.5 Flash (High) when you need intelligence above 16.8, and GPT-5 mini (High) when 16.8 is enough.
| Metric | Gemini 3.5 Flash (High) | GPT-5 mini (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 32.6 | 16.8 | −48.5% GPT-5 mini (High) is 48.5% less intelligent |
| Total AA cost (lower is better) | $4,222.12 | $188.66 | −95.5% GPT-5 mini (High) is 95.5% cheaper |
| End-to-end time (lower is better) | 16.65s | 58.72s | +252.7% GPT-5 mini (High) is 252.7% slower |
| Price per 1M tokens (in / out) | $1.50 / $9.00 | $0.25 / $2.00 | |
| Input modalities | Text, Image, Speech, Video | Text, Image |
GPT-5 mini (High) vs Gemini 3.5 Flash (High): 48.5% less intelligence, 95.5% less cost to run the AA benchmark, and 252.7% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Gemini 3.5 Flash (High) is off the frontier: at the same or lower cost, Claude Opus 5.5 (Xhigh, Default Fallback) scores 56.00 for $4057.
- GPT-5 mini (High) is off the frontier: at the same or lower cost, Claude Haiku 5.5 (Xhigh) scores 41.20 for $158.
Gemini 3.5 Flash (High)GPT-5 mini (High)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-3-5-flash/gpt-5-mini · Markdown: /api/v1/compare/gemini-3-5-flash/gpt-5-mini?format=md · llms.txt · agent skill