Gemini 4 Carbon (Medium) vs GPT-6 Astra (Xhigh)
Which is better for the money: Gemini 4 Carbon (Medium) by Google or GPT-6 Astra (Xhigh) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-11-02.
Trade-off
Verdict
Depends on your budget
Gemini 4 Carbon (Medium) scores 2.4 points higher (57.7 vs 55.3) but costs 1.6× as much to run the benchmark ($5903 vs $3746; both flagship class). Pick Gemini 4 Carbon (Medium) when the extra intelligence is worth the premium, otherwise GPT-6 Astra (Xhigh).
| Metric | Gemini 4 Carbon (Medium) | GPT-6 Astra (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 57.7 | 55.3 | −4.2% GPT-6 Astra (Xhigh) is 4.2% less intelligent |
| Total AA cost (lower is better) | $5,903.03 | $3,746.22 | −36.5% GPT-6 Astra (Xhigh) is 36.5% cheaper |
| End-to-end time (lower is better) | Not reported | 215.30s | — not comparable |
| Price per 1M tokens (in / out) | $4.00 / $20.0 | $10.0 / $50.0 | |
| Input modalities | Text, Image, Speech, Video | Text, Image |
GPT-6 Astra (Xhigh) vs Gemini 4 Carbon (Medium): 4.2% less intelligence, 36.5% less cost to run the AA benchmark, and end-to-end time not fully reported.
Today's Pareto frontier
Against the frontier
- Gemini 4 Carbon (Medium) is on today's frontier: nothing is both smarter and cheaper.
- GPT-6 Astra (Xhigh) is on today's frontier: nothing is both smarter and cheaper.
Gemini 4 Carbon (Medium)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-medium/gpt-6-astra-xhigh · Markdown: /api/v1/compare/gemini-4-carbon-medium/gpt-6-astra-xhigh?format=md · llms.txt · agent skill