GPT-6.1 Sol (Max) vs GPT-6 Astra (Xhigh)
Which is better for the money: GPT-6.1 Sol (Max) by OpenAI or GPT-6 Astra (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 0.6 points higher (52.4 vs 51.8) but costs 3.5× as much to run the benchmark ($3803 vs $1082; flagship vs premium cost classes). They are not alternatives at one budget: pick GPT-6 Astra (Xhigh) when you need intelligence above 51.8, and GPT-6.1 Sol (Max) when 51.8 is enough.
| Metric | GPT-6.1 Sol (Max) | GPT-6 Astra (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 51.8 | 52.4 | +1.2% GPT-6 Astra (Xhigh) is 1.2% more intelligent |
| Total AA cost (lower is better) | $1,081.55 | $3,802.98 | +251.6% GPT-6 Astra (Xhigh) is 3.5× more expensive |
| End-to-end time (lower is better) | 374.08s | 188.57s | −49.6% GPT-6 Astra (Xhigh) is 49.6% faster |
| Price per 1M tokens (in / out) | $2.00 / $10.0 | $10.0 / $50.0 | |
| Input modalities | Text, Image | Text, Image |
GPT-6 Astra (Xhigh) vs GPT-6.1 Sol (Max): 1.2% more intelligence, 251.6% more cost to run the AA benchmark, and 49.6% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-6.1 Sol (Max) is on today's frontier: nothing is both smarter and cheaper.
- GPT-6 Astra (Xhigh) is off the frontier: at the same or lower cost, Kimi K3.1 Pro scores 55.10 for $3117.
GPT-6.1 Sol (Max)GPT-6 Astra (Xhigh)Today's Pareto frontierEvery other model
Matchup
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