Gemini 4 Carbon (Medium) vs GPT-6 Astra (High)
Which is better for the money: Gemini 4 Carbon (Medium) by Google or GPT-6 Astra (High) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-11-03.
Trade-off
Verdict
Depends on your budget
Gemini 4 Carbon (Medium) scores 2.9 points higher (57.7 vs 54.8) but costs 1.8× as much to run the benchmark ($5903 vs $3204; both flagship class). Pick Gemini 4 Carbon (Medium) when the extra intelligence is worth the premium, otherwise GPT-6 Astra (High).
| Metric | Gemini 4 Carbon (Medium) | GPT-6 Astra (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 57.7 | 54.8 | −5.0% GPT-6 Astra (High) is 5.0% less intelligent |
| Total AA cost (lower is better) | $5,903.03 | $3,204.00 | −45.7% GPT-6 Astra (High) is 45.7% cheaper |
| End-to-end time (lower is better) | 11.62s | 114.81s | +888.0% GPT-6 Astra (High) is 888.0% slower |
| 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 (High) vs Gemini 4 Carbon (Medium): 5.0% less intelligence, 45.7% less cost to run the AA benchmark, and 888.0% slower end-to-end.
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 (High) is on today's frontier: nothing is both smarter and cheaper.
Gemini 4 Carbon (Medium)GPT-6 Astra (High)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-high · Markdown: /api/v1/compare/gemini-4-carbon-medium/gpt-6-astra-high?format=md · llms.txt · agent skill