Gemini 4 Carbon (High) vs GPT-6.1 Terra (Xhigh)
Which is better for the money: Gemini 4 Carbon (High) by Google or GPT-6.1 Terra (Xhigh) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-29.
Trade-off
Verdict
Depends on your budget
Gemini 4 Carbon (High) scores 14.4 points higher (59.4 vs 45.0) but costs 21× as much to run the benchmark ($8240 vs $400; flagship vs mid-range cost classes). They are not alternatives at one budget: pick Gemini 4 Carbon (High) when you need intelligence above 45.0, and GPT-6.1 Terra (Xhigh) when 45.0 is enough.
| Metric | Gemini 4 Carbon (High) | GPT-6.1 Terra (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 59.4 | 45.0 | −24.2% GPT-6.1 Terra (Xhigh) is 24.2% less intelligent |
| Total AA cost (lower is better) | $8,239.69 | $400.18 | −95.1% GPT-6.1 Terra (Xhigh) is 95.1% cheaper |
| End-to-end time (lower is better) | 105.19s | 30.28s | −71.2% GPT-6.1 Terra (Xhigh) is 71.2% faster |
| Price per 1M tokens (in / out) | $4.00 / $20.0 | $1.00 / $5.00 | |
| Input modalities | Text, Image, Speech, Video | Text, Image |
GPT-6.1 Terra (Xhigh) vs Gemini 4 Carbon (High): 24.2% less intelligence, 95.1% less cost to run the AA benchmark, and 71.2% faster end-to-end.
Today's Pareto frontier
Against the frontier
- Gemini 4 Carbon (High) is on today's frontier: nothing is both smarter and cheaper.
- GPT-6.1 Terra (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 46.10 for $389.
Gemini 4 Carbon (High)GPT-6.1 Terra (Xhigh)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-4-carbon/gpt-6-1-terra-xhigh · Markdown: /api/v1/compare/gemini-4-carbon/gpt-6-1-terra-xhigh?format=md · llms.txt · agent skill