Gemini 3.8 Flash (Medium) vs GPT-6.1 Terra (Low)
Which is better for the money: Gemini 3.8 Flash (Medium) by Google or GPT-6.1 Terra (Low) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-27.
Trade-off
Verdict
Depends on your budget
Gemini 3.8 Flash (Medium) scores 3.6 points higher (39.8 vs 36.2) but costs 24× as much to run the benchmark ($2703 vs $115; flagship vs mid-range cost classes). They are not alternatives at one budget: pick Gemini 3.8 Flash (Medium) when you need intelligence above 36.2, and GPT-6.1 Terra (Low) when 36.2 is enough.
| Metric | Gemini 3.8 Flash (Medium) | GPT-6.1 Terra (Low) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 39.8 | 36.2 | −9.0% GPT-6.1 Terra (Low) is 9.0% less intelligent |
| Total AA cost (lower is better) | $2,703.34 | $114.52 | −95.8% GPT-6.1 Terra (Low) is 95.8% cheaper |
| End-to-end time (lower is better) | Not reported | 6.78s | — not comparable |
| Price per 1M tokens (in / out) | $0.75 / $3.75 | $1.00 / $5.00 | |
| Input modalities | Text, Image, Speech, Video | Text, Image |
GPT-6.1 Terra (Low) vs Gemini 3.8 Flash (Medium): 9.0% less intelligence, 95.8% less cost to run the AA benchmark, and end-to-end time not fully reported.
Today's Pareto frontier
Against the frontier
- Gemini 3.8 Flash (Medium) is off the frontier: at the same or lower cost, Claude Opus 5.5 (High, Default Fallback) scores 53.60 for $2172.
- GPT-6.1 Terra (Low) is off the frontier: at the same or lower cost, MiMo-V2.6-Flash scores 37.90 for $110.
Gemini 3.8 Flash (Medium)GPT-6.1 Terra (Low)Today's Pareto frontierEvery other model
Matchup
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