GPT-6.1 Sol (Low) vs GPT-6 Astra (Medium)
Which is better for the money: GPT-6.1 Sol (Low) by OpenAI or GPT-6 Astra (Medium) 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 (Medium) scores 7.5 points higher (49.6 vs 42.1) but costs 9.7× as much to run the benchmark ($2434 vs $250; flagship vs mid-range cost classes). They are not alternatives at one budget: pick GPT-6 Astra (Medium) when you need intelligence above 42.1, and GPT-6.1 Sol (Low) when 42.1 is enough.
| Metric | GPT-6.1 Sol (Low) | GPT-6 Astra (Medium) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 42.1 | 49.6 | +17.8% GPT-6 Astra (Medium) is 17.8% more intelligent |
| Total AA cost (lower is better) | $250.48 | $2,434.12 | +871.8% GPT-6 Astra (Medium) is 9.7× more expensive |
| End-to-end time (lower is better) | 12.69s | 13.72s | +8.1% GPT-6 Astra (Medium) is 8.1% slower |
| Price per 1M tokens (in / out) | $2.00 / $10.0 | $10.0 / $50.0 | |
| Input modalities | Text, Image | Text, Image |
GPT-6 Astra (Medium) vs GPT-6.1 Sol (Low): 17.8% more intelligence, 871.8% more cost to run the AA benchmark, and 8.1% slower end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-6.1 Sol (Low) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
- GPT-6 Astra (Medium) is off the frontier: at the same or lower cost, Claude Opus 5.5 (High, Default Fallback) scores 53.60 for $2172.
GPT-6.1 Sol (Low)GPT-6 Astra (Medium)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-6-1-sol-low/gpt-6-astra-medium · Markdown: /api/v1/compare/gpt-6-1-sol-low/gpt-6-astra-medium?format=md · llms.txt · agent skill