Claude Fable 5.1 (Medium, Default Fallback) vs GPT-6 Sol (Medium)
Which is better for the money: Claude Fable 5.1 (Medium, Default Fallback) by Anthropic or GPT-6 Sol (Medium) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Depends on your budget
Claude Fable 5.1 (Medium, Default Fallb… scores 9.1 points higher (48.9 vs 39.8) but costs 9.6× as much to run the benchmark ($3983 vs $416; flagship vs mid-range cost classes). They are not alternatives at one budget: pick Claude Fable 5.1 (Medium, Default Fallb… when you need intelligence above 39.8, and GPT-6 Sol (Medium) when 39.8 is enough.
| Metric | Claude Fable 5.1 (Medium, Default Fallback) | GPT-6 Sol (Medium) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 48.9 | 39.8 | −18.6% GPT-6 Sol (Medium) is 18.6% less intelligent |
| Total AA cost (lower is better) | $3,983.28 | $416.32 | −89.5% GPT-6 Sol (Medium) is 89.5% cheaper |
| End-to-end time (lower is better) | 13.16s | Not reported | — not comparable |
| Price per 1M tokens (in / out) | $10.0 / $50.0 | $2.00 / $10.0 | |
| Input modalities | Text, Image | Text, Image |
GPT-6 Sol (Medium) vs Claude Fable 5.1 (Medium, Default Fallback): 18.6% less intelligence, 89.5% less cost to run the AA benchmark, and end-to-end time not fully reported.
Against the frontier
- Claude Fable 5.1 (Medium, Default Fallback) is off the frontier: at the same or lower cost, Kimi K3.1 Pro scores 55.10 for $3117.
- GPT-6 Sol (Medium) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 47.80 for $361.
Compare something else
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-fable-5-1-medium/gpt-6-sol-medium · Markdown: /api/v1/compare/claude-fable-5-1-medium/gpt-6-sol-medium?format=md · llms.txt · agent skill