Gemini 4 Carbon (Low) vs GPT-6.1 Terra (Xhigh)
Which is better for the money: Gemini 4 Carbon (Low) 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 2026-11-04.
Trade-off
Verdict
Depends on your budget
Gemini 4 Carbon (Low) scores 8.9 points higher (54.2 vs 45.3) but costs 14× as much to run the benchmark ($5725 vs $400; flagship vs mid-range cost classes). They are not alternatives at one budget: pick Gemini 4 Carbon (Low) when you need intelligence above 45.3, and GPT-6.1 Terra (Xhigh) when 45.3 is enough.
| Metric | Gemini 4 Carbon (Low) | GPT-6.1 Terra (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 54.2 | 45.3 | −16.4% GPT-6.1 Terra (Xhigh) is 16.4% less intelligent |
| Total AA cost (lower is better) | $5,725.02 | $400.18 | −93.0% GPT-6.1 Terra (Xhigh) is 93.0% cheaper |
| End-to-end time (lower is better) | 16.28s | 73.32s | +350.4% GPT-6.1 Terra (Xhigh) is 350.4% slower |
| 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 (Low): 16.4% less intelligence, 93.0% less cost to run the AA benchmark, and 350.4% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Gemini 4 Carbon (Low) is off the frontier: at the same or lower cost, Claude Opus 5.5 (Xhigh, Default Fallback) scores 57.40 for $4766.
- GPT-6.1 Terra (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 46.30 for $389.
Gemini 4 Carbon (Low)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-low/gpt-6-1-terra-xhigh · Markdown: /api/v1/compare/gemini-4-carbon-low/gpt-6-1-terra-xhigh?format=md · llms.txt · agent skill