Claude Fable 5.2 (Low, Default Fallback) vs Claude Sonnet 5.5 (Xhigh, Default Fallback)
Which is better for the money: Claude Fable 5.2 (Low, Default Fallback) by Anthropic or Claude Sonnet 5.5 (Xhigh, Default Fallback) by Anthropic? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-11-10.
Clear winner
Verdict
Pick Claude Fable 5.2 (Low, Default Fallback)
Claude Sonnet 5.5 (Xhigh, Default Fallback) vs Claude Fable 5.2 (Low, Default Fallback): 7.4% less intelligence, 1.4% more cost to run the AA benchmark, and 89.8% slower end-to-end.
| Metric | Claude Fable 5.2 (Low, Default Fallback) | Claude Sonnet 5.5 (Xhigh, Default Fallback) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 53.9 | 49.9 | −7.4% Claude Sonnet 5.5 (Xh… is 7.4% less intelligent |
| Total AA cost (lower is better) | $2,861.78 | $2,902.50 | +1.4% Claude Sonnet 5.5 (Xh… is 1.4% more expensive |
| End-to-end time (lower is better) | 22.57s | 42.84s | +89.8% Claude Sonnet 5.5 (Xh… is 89.8% slower |
| Price per 1M tokens (in / out) | $8.00 / $40.0 | $2.00 / $10.0 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
Against the frontier
- Claude Fable 5.2 (Low, Default Fallback) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 54.60 for $1124.
- Claude Sonnet 5.5 (Xhigh, Default Fallback) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 54.60 for $1124.
Claude Fable 5.2 (Low, Default Fallback)Claude Sonnet 5.5 (Xhigh, Default Fallback)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-fable-5-2-low/claude-sonnet-5-5-xhigh · Markdown: /api/v1/compare/claude-fable-5-2-low/claude-sonnet-5-5-xhigh?format=md · llms.txt · agent skill