Gemini 3.5 Flash-Lite vs GPT-5.5 (Medium)
Which is better for the money: Gemini 3.5 Flash-Lite by Google or GPT-5.5 (Medium) by OpenAI? 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
GPT-5.5 (Medium) scores 11.6 points higher (33.8 vs 22.2) but costs 5.7× as much to run the benchmark ($2095 vs $366; flagship vs mid-range cost classes). They are not alternatives at one budget: pick GPT-5.5 (Medium) when you need intelligence above 22.2, and Gemini 3.5 Flash-Lite when 22.2 is enough.
| Metric | Gemini 3.5 Flash-Lite | GPT-5.5 (Medium) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 22.2 | 33.8 | +52.3% GPT-5.5 (Medium) is 52.3% more intelligent |
| Total AA cost (lower is better) | $365.63 | $2,095.12 | +473.0% GPT-5.5 (Medium) is 5.7× more expensive |
| End-to-end time (lower is better) | 8.69s | 11.17s | +28.5% GPT-5.5 (Medium) is 28.5% slower |
| Price per 1M tokens (in / out) | $0.30 / $2.50 | $5.00 / $30.0 | |
| Input modalities | Text, Image, Speech, Video | Text, Image |
GPT-5.5 (Medium) vs Gemini 3.5 Flash-Lite: 52.3% more intelligence, 473.0% more cost to run the AA benchmark, and 28.5% slower end-to-end.
Today's Pareto frontier
Against the frontier
- 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.
- GPT-5.5 (Medium) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
Gemini 3.5 Flash-LiteGPT-5.5 (Medium)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-lite/gpt-5-5-medium · Markdown: /api/v1/compare/gemini-3-5-flash-lite/gpt-5-5-medium?format=md · llms.txt · agent skill