Gemini 3.8 Flash (High) vs GPT-5.6 Terra (Low)
Which is better for the money: Gemini 3.8 Flash (High) by Google or GPT-5.6 Terra (Low) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Trade-off
Verdict
Depends on your budget
Gemini 3.8 Flash (High) scores 13.4 points higher (40.9 vs 27.5) but costs 4.6× as much to run the benchmark ($1623 vs $350; premium vs mid-range cost classes). They are not alternatives at one budget: pick Gemini 3.8 Flash (High) when you need intelligence above 27.5, and GPT-5.6 Terra (Low) when 27.5 is enough.
| Metric | Gemini 3.8 Flash (High) | GPT-5.6 Terra (Low) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 40.9 | 27.5 | −32.8% GPT-5.6 Terra (Low) is 32.8% less intelligent |
| Total AA cost (lower is better) | $1,622.73 | $350.36 | −78.4% GPT-5.6 Terra (Low) is 78.4% cheaper |
| End-to-end time (lower is better) | 29.02s | 5.67s | −80.5% GPT-5.6 Terra (Low) is 80.5% faster |
| Price per 1M tokens (in / out) | $0.75 / $3.75 | $2.00 / $12.0 | |
| Input modalities | Text, Image, Speech, Video | Text, Image |
GPT-5.6 Terra (Low) vs Gemini 3.8 Flash (High): 32.8% less intelligence, 78.4% less cost to run the AA benchmark, and 80.5% 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 Terra (Low) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
Gemini 3.8 Flash (High)GPT-5.6 Terra (Low)Today's Pareto frontierEvery other model
Matchup
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