GPT-6 Astra (Xhigh) vs GPT-6 Sol (Low)
Which is better for the money: GPT-6 Astra (Xhigh) by OpenAI or GPT-6 Sol (Low) 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 18.2 points higher (52.4 vs 34.2) but costs 14× as much to run the benchmark ($3803 vs $269; flagship vs mid-range cost classes). They are not alternatives at one budget: pick GPT-6 Astra (Xhigh) when you need intelligence above 34.2, and GPT-6 Sol (Low) when 34.2 is enough.
| Metric | GPT-6 Astra (Xhigh) | GPT-6 Sol (Low) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 52.4 | 34.2 | −34.7% GPT-6 Sol (Low) is 34.7% less intelligent |
| Total AA cost (lower is better) | $3,802.98 | $268.73 | −92.9% GPT-6 Sol (Low) is 92.9% cheaper |
| End-to-end time (lower is better) | 176.59s | 5.80s | −96.7% GPT-6 Sol (Low) is 96.7% faster |
| Price per 1M tokens (in / out) | $10.0 / $50.0 | $2.00 / $10.0 | |
| Input modalities | Text, Image | Text, Image |
GPT-6 Sol (Low) vs GPT-6 Astra (Xhigh): 34.7% less intelligence, 92.9% less cost to run the AA benchmark, and 96.7% 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 (Low) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
GPT-6 Astra (Xhigh)GPT-6 Sol (Low)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-low · Markdown: /api/v1/compare/gpt-6-astra-xhigh/gpt-6-sol-low?format=md · llms.txt · agent skill