GPT-6 Astra (High) vs GPT-6 Sol (Xhigh)
Which is better for the money: GPT-6 Astra (High) 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 (High) scores 6.7 points higher (50.9 vs 44.2) but costs 3.4× as much to run the benchmark ($2925 vs $855; flagship vs premium cost classes). They are not alternatives at one budget: pick GPT-6 Astra (High) when you need intelligence above 44.2, and GPT-6 Sol (Xhigh) when 44.2 is enough.
| Metric | GPT-6 Astra (High) | GPT-6 Sol (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 50.9 | 44.2 | −13.2% GPT-6 Sol (Xhigh) is 13.2% less intelligent |
| Total AA cost (lower is better) | $2,925.01 | $854.60 | −70.8% GPT-6 Sol (Xhigh) is 70.8% cheaper |
| End-to-end time (lower is better) | 70.71s | 41.96s | −40.7% GPT-6 Sol (Xhigh) is 40.7% faster |
| Price per 1M tokens (in / out) | $10.0 / $50.0 | $2.00 / $10.0 | |
| Input modalities | Text, Image | Text, Image |
GPT-6 Sol (Xhigh) vs GPT-6 Astra (High): 13.2% less intelligence, 70.8% less cost to run the AA benchmark, and 40.7% faster end-to-end.
Today's Pareto frontier
Against the frontier
- 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.
- 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 (High)GPT-6 Sol (Xhigh)Today's Pareto frontierEvery other model
Matchup
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