Claude Fable 5.2 (Medium, Default Fallback) vs Claude Haiku 5.5 (Low)
Which is better for the money: Claude Fable 5.2 (Medium, Default Fallback) by Anthropic or Claude Haiku 5.5 (Low) 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 (Medium, Default Fallb… scores 37.8 points higher (56.4 vs 18.6) but costs 85× as much to run the benchmark ($3360 vs $39.6; flagship vs budget cost classes). They are not alternatives at one budget: pick Claude Fable 5.2 (Medium, Default Fallb… when you need intelligence above 18.6, and Claude Haiku 5.5 (Low) when 18.6 is enough.
| Metric | Claude Fable 5.2 (Medium, Default Fallback) | Claude Haiku 5.5 (Low) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 56.4 | 18.6 | −67.0% Claude Haiku 5.5 (Low) is 67.0% less intelligent |
| Total AA cost (lower is better) | $3,359.66 | $39.60 | −98.8% Claude Haiku 5.5 (Low) is 98.8% cheaper |
| End-to-end time (lower is better) | 27.53s | 12.13s | −55.9% Claude Haiku 5.5 (Low) is 55.9% faster |
| Price per 1M tokens (in / out) | $8.00 / $40.0 | $0.10 / $0.50 | |
| Input modalities | Text, Image | Text, Image |
Claude Haiku 5.5 (Low) vs Claude Fable 5.2 (Medium, Default Fallback): 67.0% less intelligence, 98.8% less cost to run the AA benchmark, and 55.9% faster end-to-end.
Against the frontier
- Claude Fable 5.2 (Medium, Default Fallback) is on today's frontier: nothing is both smarter and cheaper.
- Claude Haiku 5.5 (Low) is on today's frontier: nothing is both smarter and cheaper.
Compare something else
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-fable-5-2-medium/claude-haiku-5-5-low · Markdown: /api/v1/compare/claude-fable-5-2-medium/claude-haiku-5-5-low?format=md · llms.txt · agent skill