Gemini 3.1 Pro Preview vs GPT-6 Luna (High)
Which is better for the money: Gemini 3.1 Pro Preview by Google or GPT-6 Luna (High) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Clear winner
Verdict
Pick GPT-6 Luna (High)
GPT-6 Luna (High) vs Gemini 3.1 Pro Preview: 10.8% more intelligence, 97.5% less cost to run the AA benchmark, and 50.1% faster end-to-end.
| Metric | Gemini 3.1 Pro Preview | GPT-6 Luna (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 29.7 | 32.9 | +10.8% GPT-6 Luna (High) is 10.8% more intelligent |
| Total AA cost (lower is better) | $1,935.39 | $47.85 | −97.5% GPT-6 Luna (High) is 97.5% cheaper |
| End-to-end time (lower is better) | 24.90s | 12.43s | −50.1% GPT-6 Luna (High) is 50.1% faster |
| Price per 1M tokens (in / out) | $2.00 / $12.0 | $0.10 / $0.50 | |
| Input modalities | Text, Image, Speech, Video | Text, Image |
Today's Pareto frontier
Against the frontier
- Gemini 3.1 Pro Preview is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- GPT-6 Luna (High) is on today's frontier: nothing is both smarter and cheaper.
Gemini 3.1 Pro PreviewGPT-6 Luna (High)Today's Pareto frontierEvery other model
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gemini-3-1-pro-preview/gpt-6-luna-high · Markdown: /api/v1/compare/gemini-3-1-pro-preview/gpt-6-luna-high?format=md · llms.txt · agent skill