Claude Fable 5.2 (Max, Default Fallback) vs Claude Sonnet 5.5 (Low, Default Fallback)
Which is better for the money: Claude Fable 5.2 (Max, Default Fallback) by Anthropic or Claude Sonnet 5.5 (Low, Default Fallback) by Anthropic? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-11-10.
Depends on your budget
Claude Fable 5.2 (Max, Default Fallback) scores 39.0 points higher (64.6 vs 25.6) but costs 44× as much to run the benchmark ($22191 vs $499; flagship vs mid-range cost classes). They are not alternatives at one budget: pick Claude Fable 5.2 (Max, Default Fallback) when you need intelligence above 25.6, and Claude Sonnet 5.5 (Low, Default Fallbac… when 25.6 is enough.
| Metric | Claude Fable 5.2 (Max, Default Fallback) | Claude Sonnet 5.5 (Low, Default Fallback) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 64.6 | 25.6 | −60.4% Claude Sonnet 5.5 (Lo… is 60.4% less intelligent |
| Total AA cost (lower is better) | $22,191.42 | $499.20 | −97.8% Claude Sonnet 5.5 (Lo… is 97.8% cheaper |
| End-to-end time (lower is better) | 258.66s | 6.07s | −97.7% Claude Sonnet 5.5 (Lo… is 97.7% faster |
| Price per 1M tokens (in / out) | $8.00 / $40.0 | $2.00 / $10.0 | |
| Input modalities | Text, Image | Text, Image |
Claude Sonnet 5.5 (Low, Default Fallback) vs Claude Fable 5.2 (Max, Default Fallback): 60.4% less intelligence, 97.8% less cost to run the AA benchmark, and 97.7% faster end-to-end.
Against the frontier
- Claude Fable 5.2 (Max, Default Fallback) is on today's frontier: nothing is both smarter and cheaper.
- Claude Sonnet 5.5 (Low, Default Fallback) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 46.30 for $389.
Compare something else
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-fable-5-2/claude-sonnet-5-5-low · Markdown: /api/v1/compare/claude-fable-5-2/claude-sonnet-5-5-low?format=md · llms.txt · agent skill