Gemini 2.5 Pro vs GPT-6 Astra (High)
Which is better for the money: Gemini 2.5 Pro by Google or GPT-6 Astra (High) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Trade-off
Verdict
Depends on your budget
GPT-6 Astra (High) scores 34.8 points higher (50.9 vs 16.1) but costs 3.6× as much to run the benchmark ($2925 vs $823; flagship vs premium cost classes). They are not alternatives at one budget: pick GPT-6 Astra (High) when you need intelligence above 16.1, and Gemini 2.5 Pro when 16.1 is enough.
| Metric | Gemini 2.5 Pro | GPT-6 Astra (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 16.1 | 50.9 | +216.1% GPT-6 Astra (High) is 3.2× more intelligent |
| Total AA cost (lower is better) | $822.85 | $2,925.01 | +255.5% GPT-6 Astra (High) is 3.6× more expensive |
| End-to-end time (lower is better) | 27.37s | 49.71s | +81.6% GPT-6 Astra (High) is 81.6% slower |
| Price per 1M tokens (in / out) | $1.25 / $10.0 | $10.0 / $50.0 | |
| Input modalities | Text, Image, Speech, Video | Text, Image |
GPT-6 Astra (High) vs Gemini 2.5 Pro: 216.1% more intelligence, 255.5% more cost to run the AA benchmark, and 81.6% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Gemini 2.5 Pro is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
- GPT-6 Astra (High) is off the frontier: at the same or lower cost, Claude Opus 5.5 (High, Default Fallback) scores 53.60 for $2172.
Gemini 2.5 ProGPT-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-2-5-pro/gpt-6-astra-high · Markdown: /api/v1/compare/gemini-2-5-pro/gpt-6-astra-high?format=md · llms.txt · agent skill