Claude Sonnet 5.5 (High, Default Fallback) vs GPT-6.1 Sol (Medium)
Which is better for the money: Claude Sonnet 5.5 (High, 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 (High, Default Fallback): 2.1% more intelligence, 64.8% less cost to run the AA benchmark, and 3.6% faster end-to-end.
| Metric | Claude Sonnet 5.5 (High, Default Fallback) | GPT-6.1 Sol (Medium) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 46.8 | 47.8 | +2.1% GPT-6.1 Sol (Medium) is 2.1% more intelligent |
| Total AA cost (lower is better) | $1,027.40 | $361.37 | −64.8% GPT-6.1 Sol (Medium) is 64.8% cheaper |
| End-to-end time (lower is better) | 14.89s | 14.35s | −3.6% GPT-6.1 Sol (Medium) is 3.6% faster |
| 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 (High, Default Fallback) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
- GPT-6.1 Sol (Medium) is on today's frontier: nothing is both smarter and cheaper.
Claude Sonnet 5.5 (High, Default Fallback)GPT-6.1 Sol (Medium)Today's Pareto frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-sonnet-5-5-high/gpt-6-1-sol-medium · Markdown: /api/v1/compare/claude-sonnet-5-5-high/gpt-6-1-sol-medium?format=md · llms.txt · agent skill