Claude Fable 5.2 (Low, Default Fallback) vs Muse Spark Open (Xhigh)
Which is better for the money: Claude Fable 5.2 (Low, Default Fallback) by Anthropic or Muse Spark Open (Xhigh) by Meta? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-11-10.
Trade-off
Verdict
Depends on your budget
Claude Fable 5.2 (Low, Default Fallback) scores 29.0 points higher (53.9 vs 24.9) but costs 1.7× as much to run the benchmark ($2862 vs $1697; flagship vs premium cost classes). Pick Claude Fable 5.2 (Low, Default Fallback) when the extra intelligence is worth the premium, otherwise Muse Spark Open (Xhigh).
| Metric | Claude Fable 5.2 (Low, Default Fallback) | Muse Spark Open (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 53.9 | 24.9 | −53.8% Muse Spark Open (Xhig… is 53.8% less intelligent |
| Total AA cost (lower is better) | $2,861.78 | $1,697.21 | −40.7% Muse Spark Open (Xhig… is 40.7% cheaper |
| End-to-end time (lower is better) | 24.94s | 11.49s | −53.9% Muse Spark Open (Xhig… is 53.9% faster |
| Price per 1M tokens (in / out) | $8.00 / $40.0 | $1.25 / $4.25 | |
| Input modalities | Text, Image | Text, Image, Speech, Video |
Muse Spark Open (Xhigh) vs Claude Fable 5.2 (Low, Default Fallback): 53.8% less intelligence, 40.7% less cost to run the AA benchmark, and 53.9% faster end-to-end.
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.
- Muse Spark Open (Xhigh) 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)Muse Spark Open (Xhigh)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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