Gemini 3.8 Flash (High) vs gpt-oss-20b (High)
Which is better for the money: Gemini 3.8 Flash (High) by Google or gpt-oss-20b (High) 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 31.9 points higher (40.9 vs 9.0) but costs 56× as much to run the benchmark ($1623 vs $28.8; premium vs budget cost classes). They are not alternatives at one budget: pick Gemini 3.8 Flash (High) when you need intelligence above 9.0, and gpt-oss-20b (High) when 9.0 is enough.
| Metric | Gemini 3.8 Flash (High) | gpt-oss-20b (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 40.9 | 9.0 | −78.0% gpt-oss-20b (High) is 78.0% less intelligent |
| Total AA cost (lower is better) | $1,622.73 | $28.81 | −98.2% gpt-oss-20b (High) is 98.2% cheaper |
| End-to-end time (lower is better) | 30.91s | 16.48s | −46.7% gpt-oss-20b (High) is 46.7% faster |
| Price per 1M tokens (in / out) | $0.75 / $3.75 | $0.05 / $0.22 | |
| Input modalities | Text, Image, Speech, Video | Text |
gpt-oss-20b (High) vs Gemini 3.8 Flash (High): 78.0% less intelligence, 98.2% less cost to run the AA benchmark, and 46.7% 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-oss-20b (High) is off the frontier: at the same or lower cost, GPT-6 Luna (Low) scores 21.50 for $10.6.
Gemini 3.8 Flash (High)gpt-oss-20b (High)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gemini-3-8-flash/gpt-oss-20b · Markdown: /api/v1/compare/gemini-3-8-flash/gpt-oss-20b?format=md · llms.txt · agent skill