GPT-5.6 Sol (Low) vs GPT-6.1 Sol (Medium)
Which is better for the money: GPT-5.6 Sol (Low) by OpenAI or GPT-6.1 Sol (Medium) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Clear winner
Verdict
Pick GPT-6.1 Sol (Medium)
GPT-6.1 Sol (Medium) vs GPT-5.6 Sol (Low): 42.7% more intelligence, 43.3% less cost to run the AA benchmark, and 75.6% slower end-to-end.
| Metric | GPT-5.6 Sol (Low) | GPT-6.1 Sol (Medium) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 33.5 | 47.8 | +42.7% GPT-6.1 Sol (Medium) is 42.7% more intelligent |
| Total AA cost (lower is better) | $637.28 | $361.37 | −43.3% GPT-6.1 Sol (Medium) is 43.3% cheaper |
| End-to-end time (lower is better) | 8.17s | 14.35s | +75.6% GPT-6.1 Sol (Medium) is 75.6% slower |
| Price per 1M tokens (in / out) | $4.00 / $20.0 | $2.00 / $10.0 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
Against the frontier
- GPT-5.6 Sol (Low) is off the frontier: at the same or lower cost, GPT-6.1 Sol (High) scores 50.20 for $521.
- GPT-6.1 Sol (Medium) is on today's frontier: nothing is both smarter and cheaper.
GPT-5.6 Sol (Low)GPT-6.1 Sol (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-5-6-sol-low/gpt-6-1-sol-medium · Markdown: /api/v1/compare/gpt-5-6-sol-low/gpt-6-1-sol-medium?format=md · llms.txt · agent skill