Claude Fable 5.1 (High, Default Fallback) vs Muse Spark 1.1 (Xhigh)
Which is better for the money: Claude Fable 5.1 (High, Default Fallback) by Anthropic or Muse Spark 1.1 (Xhigh) by Meta? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Depends on your budget
Claude Fable 5.1 (High, Default Fallbac… scores 17.5 points higher (51.2 vs 33.7) but costs 3.0× as much to run the benchmark ($5242 vs $1737; flagship vs premium cost classes). They are not alternatives at one budget: pick Claude Fable 5.1 (High, Default Fallbac… when you need intelligence above 33.7, and Muse Spark 1.1 (Xhigh) when 33.7 is enough.
| Metric | Claude Fable 5.1 (High, Default Fallback) | Muse Spark 1.1 (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 51.2 | 33.7 | −34.2% Muse Spark 1.1 (Xhigh) is 34.2% less intelligent |
| Total AA cost (lower is better) | $5,241.59 | $1,737.18 | −66.9% Muse Spark 1.1 (Xhigh) is 66.9% cheaper |
| End-to-end time (lower is better) | 28.58s | 21.36s | −25.3% Muse Spark 1.1 (Xhigh) is 25.3% faster |
| Price per 1M tokens (in / out) | $10.0 / $50.0 | $1.25 / $4.25 | |
| Input modalities | Text, Image | Text, Image, Speech, Video |
Muse Spark 1.1 (Xhigh) vs Claude Fable 5.1 (High, Default Fallback): 34.2% less intelligence, 66.9% less cost to run the AA benchmark, and 25.3% faster end-to-end.
Against the frontier
- Claude Fable 5.1 (High, Default Fallback) is off the frontier: at the same or lower cost, Claude Opus 5.5 (Xhigh, Default Fallback) scores 56.00 for $4057.
- Muse Spark 1.1 (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
Compare something else
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-fable-5-1-high/muse-spark-1-1 · Markdown: /api/v1/compare/claude-fable-5-1-high/muse-spark-1-1?format=md · llms.txt · agent skill