Gemini 2.5 Pro vs Gemini 3.5 Flash-Lite
Which is better for the money: Gemini 2.5 Pro by Google or Gemini 3.5 Flash-Lite by Google? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Clear winner
Verdict
Pick Gemini 3.5 Flash-Lite
Gemini 3.5 Flash-Lite vs Gemini 2.5 Pro: 37.9% more intelligence, 55.6% less cost to run the AA benchmark, and 67.5% faster end-to-end.
| Metric | Gemini 2.5 Pro | Gemini 3.5 Flash-Lite | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 16.1 | 22.2 | +37.9% Gemini 3.5 Flash-Lite is 37.9% more intelligent |
| Total AA cost (lower is better) | $822.85 | $365.63 | −55.6% Gemini 3.5 Flash-Lite is 55.6% cheaper |
| End-to-end time (lower is better) | 26.13s | 8.50s | −67.5% Gemini 3.5 Flash-Lite is 67.5% faster |
| Price per 1M tokens (in / out) | $1.25 / $10.0 | $0.30 / $2.50 | |
| Input modalities | Text, Image, Speech, Video | Text, Image, Speech, Video |
Today's Pareto frontier
Against the frontier
- Gemini 2.5 Pro is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
- Gemini 3.5 Flash-Lite is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 47.80 for $361.
Gemini 2.5 ProGemini 3.5 Flash-LiteToday'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-2-5-pro/gemini-3-5-flash-lite · Markdown: /api/v1/compare/gemini-2-5-pro/gemini-3-5-flash-lite?format=md · llms.txt · agent skill