Gemini 3.1 Pro Preview vs GPT-5.6 Terra (Max)
Which is better for the money: Gemini 3.1 Pro Preview by Google or GPT-5.6 Terra (Max) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Trade-off
Verdict
Depends on your budget
GPT-5.6 Terra (Max) scores 12.4 points higher (42.1 vs 29.7) but costs 1.3× as much to run the benchmark ($2501 vs $1935; flagship vs premium cost classes). Pick GPT-5.6 Terra (Max) when the extra intelligence is worth the premium, otherwise Gemini 3.1 Pro Preview.
| Metric | Gemini 3.1 Pro Preview | GPT-5.6 Terra (Max) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 29.7 | 42.1 | +41.8% GPT-5.6 Terra (Max) is 41.8% more intelligent |
| Total AA cost (lower is better) | $1,935.39 | $2,500.72 | +29.2% GPT-5.6 Terra (Max) is 29.2% more expensive |
| End-to-end time (lower is better) | 24.90s | 104.98s | +321.6% GPT-5.6 Terra (Max) is 321.6% slower |
| Price per 1M tokens (in / out) | $2.00 / $12.0 | $2.00 / $12.0 | |
| Input modalities | Text, Image, Speech, Video | Text, Image |
GPT-5.6 Terra (Max) vs Gemini 3.1 Pro Preview: 41.8% more intelligence, 29.2% more cost to run the AA benchmark, and 321.6% slower end-to-end.
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-5.6 Terra (Max) is off the frontier: at the same or lower cost, Claude Opus 5.5 (High, Default Fallback) scores 53.60 for $2172.
Gemini 3.1 Pro PreviewGPT-5.6 Terra (Max)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-5-6-terra · Markdown: /api/v1/compare/gemini-3-1-pro-preview/gpt-5-6-terra?format=md · llms.txt · agent skill