Gemini 3.5 Flash-Lite vs GPT-6.1 Terra (Xhigh)
Which is better for the money: Gemini 3.5 Flash-Lite by Google or GPT-6.1 Terra (Xhigh) 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
GPT-6.1 Terra (Xhigh) scores 23.2 points higher (45.4 vs 22.2) but costs 1.1× as much to run the benchmark ($365 vs $337; both mid-range class). Pick GPT-6.1 Terra (Xhigh) when the extra intelligence is worth the premium, otherwise Gemini 3.5 Flash-Lite.
| Metric | Gemini 3.5 Flash-Lite | GPT-6.1 Terra (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 22.2 | 45.4 | +104.5% GPT-6.1 Terra (Xhigh) is 2.0× more intelligent |
| Total AA cost (lower is better) | $337.15 | $364.95 | +8.2% GPT-6.1 Terra (Xhigh) is 8.2% more expensive |
| End-to-end time (lower is better) | 9.09s | 18.82s | +107.0% GPT-6.1 Terra (Xhigh) is 107.0% slower |
| Price per 1M tokens (in / out) | $0.30 / $2.50 | $1.00 / $5.00 | |
| Input modalities | Text, Image, Speech, Video | Text, Image |
GPT-6.1 Terra (Xhigh) vs Gemini 3.5 Flash-Lite: 104.5% more intelligence, 8.2% more cost to run the AA benchmark, and 107.0% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Gemini 3.5 Flash-Lite is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
- GPT-6.1 Terra (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 47.80 for $361.
Gemini 3.5 Flash-LiteGPT-6.1 Terra (Xhigh)Today's Pareto frontierEvery other model
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