Claude Sonnet 5.5 (Low, Default Fallback) vs GPT-6.1 Sol (Medium)
Which is better for the money: Claude Sonnet 5.5 (Low, Default Fallback) by Anthropic 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 Claude Sonnet 5.5 (Low, Default Fallback): 33.1% more intelligence, 25.0% less cost to run the AA benchmark, and 131.8% slower end-to-end.
| Metric | Claude Sonnet 5.5 (Low, Default Fallback) | GPT-6.1 Sol (Medium) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 35.9 | 47.8 | +33.1% GPT-6.1 Sol (Medium) is 33.1% more intelligent |
| Total AA cost (lower is better) | $482.13 | $361.37 | −25.0% GPT-6.1 Sol (Medium) is 25.0% cheaper |
| End-to-end time (lower is better) | 6.19s | 14.35s | +131.8% GPT-6.1 Sol (Medium) is 131.8% slower |
| Price per 1M tokens (in / out) | $2.00 / $10.0 | $2.00 / $10.0 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
Against the frontier
- Claude Sonnet 5.5 (Low, Default Fallback) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 47.80 for $361.
- GPT-6.1 Sol (Medium) is on today's frontier: nothing is both smarter and cheaper.
Claude Sonnet 5.5 (Low, Default Fallback)GPT-6.1 Sol (Medium)Today's Pareto frontierEvery other model
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