Gemini 3.5 Flash (High) vs GPT-5.5 (Medium)
Which is better for the money: Gemini 3.5 Flash (High) 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.
Clear winner
Verdict
Pick GPT-5.5 (Medium)
GPT-5.5 (Medium) vs Gemini 3.5 Flash (High): 3.7% more intelligence, 50.4% less cost to run the AA benchmark, and 39.6% faster end-to-end.
| Metric | Gemini 3.5 Flash (High) | GPT-5.5 (Medium) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 32.6 | 33.8 | +3.7% GPT-5.5 (Medium) is 3.7% more intelligent |
| Total AA cost (lower is better) | $4,222.12 | $2,095.12 | −50.4% GPT-5.5 (Medium) is 50.4% cheaper |
| End-to-end time (lower is better) | 16.52s | 9.97s | −39.6% GPT-5.5 (Medium) is 39.6% faster |
| Price per 1M tokens (in / out) | $1.50 / $9.00 | $5.00 / $30.0 | |
| Input modalities | Text, Image, Speech, Video | Text, Image |
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-5.5 (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 (High)GPT-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/gpt-5-5-medium · Markdown: /api/v1/compare/gemini-3-5-flash/gpt-5-5-medium?format=md · llms.txt · agent skill