GPT-6 Astra (Xhigh) vs GPT-6 Sol (Xhigh)
Which is better for the money: GPT-6 Astra (Xhigh) by OpenAI or GPT-6 Sol (Xhigh) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Trade-off
Verdict
Depends on your budget
GPT-6 Astra (Xhigh) scores 8.2 points higher (52.4 vs 44.2) but costs 4.5× as much to run the benchmark ($3803 vs $855; flagship vs premium cost classes). They are not alternatives at one budget: pick GPT-6 Astra (Xhigh) when you need intelligence above 44.2, and GPT-6 Sol (Xhigh) when 44.2 is enough.
| Metric | GPT-6 Astra (Xhigh) | GPT-6 Sol (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 52.4 | 44.2 | −15.6% GPT-6 Sol (Xhigh) is 15.6% less intelligent |
| Total AA cost (lower is better) | $3,802.98 | $854.60 | −77.5% GPT-6 Sol (Xhigh) is 77.5% cheaper |
| End-to-end time (lower is better) | 188.57s | 48.79s | −74.1% GPT-6 Sol (Xhigh) is 74.1% faster |
| Price per 1M tokens (in / out) | $10.0 / $50.0 | $2.00 / $10.0 | |
| Input modalities | Text, Image | Text, Image |
GPT-6 Sol (Xhigh) vs GPT-6 Astra (Xhigh): 15.6% less intelligence, 77.5% less cost to run the AA benchmark, and 74.1% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-6 Astra (Xhigh) is off the frontier: at the same or lower cost, Kimi K3.1 Pro scores 55.10 for $3117.
- GPT-6 Sol (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
GPT-6 Astra (Xhigh)GPT-6 Sol (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/gpt-6-astra-xhigh/gpt-6-sol-xhigh · Markdown: /api/v1/compare/gpt-6-astra-xhigh/gpt-6-sol-xhigh?format=md · llms.txt · agent skill