Claude Sonnet 5 (Medium) vs GPT-5.6 Sol (Medium)
Which is better for the money: Claude Sonnet 5 (Medium) by Anthropic or GPT-5.6 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-5.6 Sol (Medium)
GPT-5.6 Sol (Medium) vs Claude Sonnet 5 (Medium): 39.5% more intelligence, 18.1% less cost to run the AA benchmark, and 10.9% slower end-to-end.
| Metric | Claude Sonnet 5 (Medium) | GPT-5.6 Sol (Medium) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 28.1 | 39.2 | +39.5% GPT-5.6 Sol (Medium) is 39.5% more intelligent |
| Total AA cost (lower is better) | $1,218.17 | $997.39 | −18.1% GPT-5.6 Sol (Medium) is 18.1% cheaper |
| End-to-end time (lower is better) | 9.02s | 10.00s | +10.9% GPT-5.6 Sol (Medium) is 10.9% slower |
| Price per 1M tokens (in / out) | $2.00 / $10.0 | $4.00 / $20.0 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
Against the frontier
- Claude Sonnet 5 (Medium) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- GPT-5.6 Sol (Medium) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
Claude Sonnet 5 (Medium)GPT-5.6 Sol (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/claude-sonnet-5-medium/gpt-5-6-sol-medium · Markdown: /api/v1/compare/claude-sonnet-5-medium/gpt-5-6-sol-medium?format=md · llms.txt · agent skill