Gemini 3.5 Flash (High) vs Mercury 2.5
Which is better for the money: Gemini 3.5 Flash (High) by Google or Mercury 2.5 by Inception? 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
Gemini 3.5 Flash (High) scores 20.3 points higher (32.6 vs 12.3) but costs 19× as much to run the benchmark ($4222 vs $218; flagship vs mid-range cost classes). They are not alternatives at one budget: pick Gemini 3.5 Flash (High) when you need intelligence above 12.3, and Mercury 2.5 when 12.3 is enough.
| Metric | Gemini 3.5 Flash (High) | Mercury 2.5 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 32.6 | 12.3 | −62.3% Mercury 2.5 is 62.3% less intelligent |
| Total AA cost (lower is better) | $4,222.12 | $218.11 | −94.8% Mercury 2.5 is 94.8% cheaper |
| End-to-end time (lower is better) | 16.46s | 4.33s | −73.7% Mercury 2.5 is 73.7% faster |
| Price per 1M tokens (in / out) | $1.50 / $9.00 | $0.25 / $0.75 | |
| Input modalities | Text, Image, Speech, Video | Text |
Mercury 2.5 vs Gemini 3.5 Flash (High): 62.3% less intelligence, 94.8% less cost to run the AA benchmark, and 73.7% faster 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.
- Mercury 2.5 is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
Gemini 3.5 Flash (High)Mercury 2.5Today'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/mercury-2-5 · Markdown: /api/v1/compare/gemini-3-5-flash/mercury-2-5?format=md · llms.txt · agent skill