Gemini 2.5 Pro vs GPT-5.6 Terra (Max)
Which is better for the money: Gemini 2.5 Pro 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 2026-10-25.
Trade-off
Verdict
Depends on your budget
GPT-5.6 Terra (Max) scores 26.0 points higher (42.1 vs 16.1) but costs 3.0× as much to run the benchmark ($2501 vs $823; flagship vs premium cost classes). They are not alternatives at one budget: pick GPT-5.6 Terra (Max) when you need intelligence above 16.1, and Gemini 2.5 Pro when 16.1 is enough.
| Metric | Gemini 2.5 Pro | GPT-5.6 Terra (Max) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 16.1 | 42.1 | +161.5% GPT-5.6 Terra (Max) is 2.6× more intelligent |
| Total AA cost (lower is better) | $822.85 | $2,500.72 | +203.9% GPT-5.6 Terra (Max) is 3.0× more expensive |
| End-to-end time (lower is better) | 27.37s | 107.91s | +294.3% GPT-5.6 Terra (Max) is 294.3% slower |
| Price per 1M tokens (in / out) | $1.25 / $10.0 | $2.00 / $12.0 | |
| Input modalities | Text, Image, Speech, Video | Text, Image |
GPT-5.6 Terra (Max) vs Gemini 2.5 Pro: 161.5% more intelligence, 203.9% more cost to run the AA benchmark, and 294.3% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Gemini 2.5 Pro is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
- 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 2.5 ProGPT-5.6 Terra (Max)Today's Pareto frontierEvery other model
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gemini-2-5-pro/gpt-5-6-terra · Markdown: /api/v1/compare/gemini-2-5-pro/gpt-5-6-terra?format=md · llms.txt · agent skill