Gemini 3.5 Flash-Lite vs GPT-6 Luna (Non-reasoning)
Which is better for the money: Gemini 3.5 Flash-Lite by Google or GPT-6 Luna (Non-reasoning) 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 3.5 Flash-Lite scores 3.7 points higher (22.2 vs 18.5) but costs 18× as much to run the benchmark ($337 vs $19.2; mid-range vs budget cost classes). They are not alternatives at one budget: pick Gemini 3.5 Flash-Lite when you need intelligence above 18.5, and GPT-6 Luna (Non-reasoning) when 18.5 is enough.
| Metric | Gemini 3.5 Flash-Lite | GPT-6 Luna (Non-reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 22.2 | 18.5 | −16.7% GPT-6 Luna (Non-reaso… is 16.7% less intelligent |
| Total AA cost (lower is better) | $337.15 | $19.16 | −94.3% GPT-6 Luna (Non-reaso… is 94.3% cheaper |
| End-to-end time (lower is better) | 9.50s | 5.06s | −46.7% GPT-6 Luna (Non-reaso… is 46.7% faster |
| Price per 1M tokens (in / out) | $0.30 / $2.50 | $0.10 / $0.50 | |
| Input modalities | Text, Image, Speech, Video | Text, Image |
GPT-6 Luna (Non-reasoning) vs Gemini 3.5 Flash-Lite: 16.7% less intelligence, 94.3% less cost to run the AA benchmark, and 46.7% faster 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 Luna (Non-reasoning) is off the frontier: at the same or lower cost, GPT-6 Luna (Low) scores 21.50 for $10.6.
Gemini 3.5 Flash-LiteGPT-6 Luna (Non-reasoning)Today's Pareto frontierEvery other model
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