Gemini 4 Carbon (Low) vs GPT-6 Astra (Xhigh)
Which is better for the money: Gemini 4 Carbon (Low) by Google or GPT-6 Astra (Xhigh) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-11-04.
Clear winner
Verdict
Pick GPT-6 Astra (Xhigh)
GPT-6 Astra (Xhigh) vs Gemini 4 Carbon (Low): 2.0% more intelligence, 34.6% less cost to run the AA benchmark, and 1231.9% slower end-to-end.
| Metric | Gemini 4 Carbon (Low) | GPT-6 Astra (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 54.2 | 55.3 | +2.0% GPT-6 Astra (Xhigh) is 2.0% more intelligent |
| Total AA cost (lower is better) | $5,725.02 | $3,746.22 | −34.6% GPT-6 Astra (Xhigh) is 34.6% cheaper |
| End-to-end time (lower is better) | 16.28s | 216.83s | +1231.9% GPT-6 Astra (Xhigh) is 1231.9% slower |
| Price per 1M tokens (in / out) | $4.00 / $20.0 | $10.0 / $50.0 | |
| Input modalities | Text, Image, Speech, Video | Text, Image |
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 Astra (Xhigh) is on today's frontier: nothing is both smarter and cheaper.
Gemini 4 Carbon (Low)GPT-6 Astra (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-astra-xhigh · Markdown: /api/v1/compare/gemini-4-carbon-low/gpt-6-astra-xhigh?format=md · llms.txt · agent skill