Gemini 3.8 Flash (High) vs GPT-5.6 Sol (Medium)
Which is better for the money: Gemini 3.8 Flash (High) by Google or GPT-5.6 Sol (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
Gemini 3.8 Flash (High) scores 1.7 points higher (40.9 vs 39.2) but costs 1.6× as much to run the benchmark ($1623 vs $997; both premium class). Pick Gemini 3.8 Flash (High) when the extra intelligence is worth the premium, otherwise GPT-5.6 Sol (Medium).
| Metric | Gemini 3.8 Flash (High) | GPT-5.6 Sol (Medium) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 40.9 | 39.2 | −4.2% GPT-5.6 Sol (Medium) is 4.2% less intelligent |
| Total AA cost (lower is better) | $1,622.73 | $997.39 | −38.5% GPT-5.6 Sol (Medium) is 38.5% cheaper |
| End-to-end time (lower is better) | 30.91s | 10.81s | −65.0% GPT-5.6 Sol (Medium) is 65.0% faster |
| Price per 1M tokens (in / out) | $0.75 / $3.75 | $4.00 / $20.0 | |
| Input modalities | Text, Image, Speech, Video | Text, Image |
GPT-5.6 Sol (Medium) vs Gemini 3.8 Flash (High): 4.2% less intelligence, 38.5% less cost to run the AA benchmark, and 65.0% faster end-to-end.
Today's Pareto frontier
Against the frontier
- Gemini 3.8 Flash (High) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- GPT-5.6 Sol (Medium) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
Gemini 3.8 Flash (High)GPT-5.6 Sol (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-3-8-flash/gpt-5-6-sol-medium · Markdown: /api/v1/compare/gemini-3-8-flash/gpt-5-6-sol-medium?format=md · llms.txt · agent skill