Claude Fable 5 vs Muse Spark 1.2
The comparison
On LM Arena, Claude Fable 5 scores higher (1506 Elo vs 1498 Elo), from a larger review base (21,242 vs 3,275 Arena votes).
As of Aug 12, 2026, Claude Fable 5 is rated 1506 Elo on LM Arena (21,242 Arena votes); Muse Spark 1.2 is rated 1498 Elo on LM Arena (3,275 Arena votes). No source is blended; each stands on its own.
Claude Fable 5
1506 EloLM Arenahigher
21,242Arena voteslarger base
Muse Spark 1.2
1498 EloLM Arena
3,275Arena votes