Gemini 3.1 Flash-Lite vs Gemini 3.5 Flash (High)
Which is better for the money: Gemini 3.1 Flash-Lite by Google or Gemini 3.5 Flash (High) by Google? 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 17.0 points higher (32.6 vs 15.6) but costs 27× as much to run the benchmark ($4222 vs $156; flagship vs mid-range cost classes). They are not alternatives at one budget: pick Gemini 3.5 Flash (High) when you need intelligence above 15.6, and Gemini 3.1 Flash-Lite when 15.6 is enough.
| Metric | Gemini 3.1 Flash-Lite | Gemini 3.5 Flash (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 15.6 | 32.6 | +109.0% Gemini 3.5 Flash (Hig… is 2.1× more intelligent |
| Total AA cost (lower is better) | $155.87 | $4,222.12 | +2608.7% Gemini 3.5 Flash (Hig… is 27× more expensive |
| End-to-end time (lower is better) | 6.15s | 16.65s | +170.7% Gemini 3.5 Flash (Hig… is 170.7% slower |
| Price per 1M tokens (in / out) | $0.25 / $1.50 | $1.50 / $9.00 | |
| Input modalities | Text, Image, Speech, Video | Text, Image, Speech, Video |
Gemini 3.5 Flash (High) vs Gemini 3.1 Flash-Lite: 109.0% more intelligence, 2608.7% more cost to run the AA benchmark, and 170.7% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Gemini 3.1 Flash-Lite is off the frontier: at the same or lower cost, GPT-6 Luna (Max) scores 38.10 for $122.
- 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.
Gemini 3.1 Flash-LiteGemini 3.5 Flash (High)Today's Pareto frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gemini-3-1-flash-lite-preview/gemini-3-5-flash · Markdown: /api/v1/compare/gemini-3-1-flash-lite-preview/gemini-3-5-flash?format=md · llms.txt · agent skill