Gemini 3.5 Flash (High) vs GPT-5.5 (High)
Which is better for the money: Gemini 3.5 Flash (High) by Google or GPT-5.5 (High) 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 (High)
GPT-5.5 (High) vs Gemini 3.5 Flash (High): 13.5% more intelligence, 19.2% less cost to run the AA benchmark, and 23.8% slower end-to-end.
| Metric | Gemini 3.5 Flash (High) | GPT-5.5 (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 32.6 | 37.0 | +13.5% GPT-5.5 (High) is 13.5% more intelligent |
| Total AA cost (lower is better) | $4,222.12 | $3,410.76 | −19.2% GPT-5.5 (High) is 19.2% cheaper |
| End-to-end time (lower is better) | 16.46s | 20.37s | +23.8% GPT-5.5 (High) is 23.8% slower |
| 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 (High) is off the frontier: at the same or lower cost, Kimi K3.1 Pro scores 55.10 for $3117.
Gemini 3.5 Flash (High)GPT-5.5 (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-3-5-flash/gpt-5-5-high · Markdown: /api/v1/compare/gemini-3-5-flash/gpt-5-5-high?format=md · llms.txt · agent skill