GPT-6.1 Sol (Medium) vs GPT-6 Astra (Medium)
Which is better for the money: GPT-6.1 Sol (Medium) by OpenAI or GPT-6 Astra (Medium) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Trade-off
Verdict
Depends on your budget
GPT-6 Astra (Medium) scores 1.8 points higher (49.6 vs 47.8) but costs 6.7× as much to run the benchmark ($2434 vs $361; flagship vs mid-range cost classes). They are not alternatives at one budget: pick GPT-6 Astra (Medium) when you need intelligence above 47.8, and GPT-6.1 Sol (Medium) when 47.8 is enough.
| Metric | GPT-6.1 Sol (Medium) | GPT-6 Astra (Medium) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 47.8 | 49.6 | +3.8% GPT-6 Astra (Medium) is 3.8% more intelligent |
| Total AA cost (lower is better) | $361.37 | $2,434.12 | +573.6% GPT-6 Astra (Medium) is 6.7× more expensive |
| End-to-end time (lower is better) | 14.35s | 14.48s | +0.9% GPT-6 Astra (Medium) is 0.9% 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 (Medium): 3.8% more intelligence, 573.6% more cost to run the AA benchmark, and 0.9% slower end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-6.1 Sol (Medium) is on today's frontier: nothing is both smarter and cheaper.
- 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 (Medium)GPT-6 Astra (Medium)Today's Pareto frontierEvery other model
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-6-1-sol-medium/gpt-6-astra-medium · Markdown: /api/v1/compare/gpt-6-1-sol-medium/gpt-6-astra-medium?format=md · llms.txt · agent skill