Claude Fable 5.1 (Xhigh, Default Fallback) vs Muse Spark 1.2 (Xhigh)
Which is better for the money: Claude Fable 5.1 (Xhigh, Default Fallback) by Anthropic or Muse Spark 1.2 (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 (Xhigh, Default Fallba… scores 13.6 points higher (53.2 vs 39.6) but costs 6.5× as much to run the benchmark ($9063 vs $1385; flagship vs premium cost classes). They are not alternatives at one budget: pick Claude Fable 5.1 (Xhigh, Default Fallba… when you need intelligence above 39.6, and Muse Spark 1.2 (Xhigh) when 39.6 is enough.
| Metric | Claude Fable 5.1 (Xhigh, Default Fallback) | Muse Spark 1.2 (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 53.2 | 39.6 | −25.6% Muse Spark 1.2 (Xhigh) is 25.6% less intelligent |
| Total AA cost (lower is better) | $9,063.11 | $1,385.40 | −84.7% Muse Spark 1.2 (Xhigh) is 84.7% cheaper |
| End-to-end time (lower is better) | 108.69s | 20.76s | −80.9% Muse Spark 1.2 (Xhigh) is 80.9% 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 1.2 (Xhigh) vs Claude Fable 5.1 (Xhigh, Default Fallback): 25.6% less intelligence, 84.7% less cost to run the AA benchmark, and 80.9% faster end-to-end.
Against the frontier
- Claude Fable 5.1 (Xhigh, Default Fallback) is off the frontier: at the same or lower cost, Claude Opus 5.5 (Max, Default Fallback) scores 57.60 for $8708.
- Muse Spark 1.2 (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-xhigh/muse-spark-1-2 · Markdown: /api/v1/compare/claude-fable-5-1-xhigh/muse-spark-1-2?format=md · llms.txt · agent skill