Gemini 3.5 Flash-Lite vs GPT-6 Luna (Xhigh)
Which is better for the money: Gemini 3.5 Flash-Lite by Google or GPT-6 Luna (Xhigh) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Clear winner
Verdict
Pick GPT-6 Luna (Xhigh)
GPT-6 Luna (Xhigh) vs Gemini 3.5 Flash-Lite: 55.9% more intelligence, 81.7% less cost to run the AA benchmark, and 197.7% slower end-to-end.
| Metric | Gemini 3.5 Flash-Lite | GPT-6 Luna (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 22.2 | 34.6 | +55.9% GPT-6 Luna (Xhigh) is 55.9% more intelligent |
| Total AA cost (lower is better) | $365.63 | $66.81 | −81.7% GPT-6 Luna (Xhigh) is 81.7% cheaper |
| End-to-end time (lower is better) | 9.09s | 27.06s | +197.7% GPT-6 Luna (Xhigh) is 197.7% slower |
| Price per 1M tokens (in / out) | $0.30 / $2.50 | $0.10 / $0.50 | |
| Input modalities | Text, Image, Speech, Video | Text, Image |
Today's Pareto frontier
Against the frontier
- Gemini 3.5 Flash-Lite is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 47.80 for $361.
- GPT-6 Luna (Xhigh) is on today's frontier: nothing is both smarter and cheaper.
Gemini 3.5 Flash-LiteGPT-6 Luna (Xhigh)Today's Pareto frontierEvery other model
Matchup
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