Gemini 4 Carbon (Low) vs GPT-6 Astra (High)
Which is better for the money: Gemini 4 Carbon (Low) by Google or GPT-6 Astra (High) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-11-04.
Clear winner
Verdict
Pick GPT-6 Astra (High)
GPT-6 Astra (High) vs Gemini 4 Carbon (Low): 1.1% more intelligence, 44.0% less cost to run the AA benchmark, and 710.1% slower end-to-end.
| Metric | Gemini 4 Carbon (Low) | GPT-6 Astra (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 54.2 | 54.8 | +1.1% GPT-6 Astra (High) is 1.1% more intelligent |
| Total AA cost (lower is better) | $5,725.02 | $3,204.00 | −44.0% GPT-6 Astra (High) is 44.0% cheaper |
| End-to-end time (lower is better) | 16.28s | 131.89s | +710.1% GPT-6 Astra (High) is 710.1% 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 (High) is on today's frontier: nothing is both smarter and cheaper.
Gemini 4 Carbon (Low)GPT-6 Astra (High)Today's Pareto frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gemini-4-carbon-low/gpt-6-astra-high · Markdown: /api/v1/compare/gemini-4-carbon-low/gpt-6-astra-high?format=md · llms.txt · agent skill