Claude Fable 5 vs Gemini 3.1 Pro
The comparison
On LM Arena, Claude Fable 5 scores higher (1506 Elo vs 1486 Elo), from a smaller review base (21,242 vs 94,728 Arena votes).
As of Aug 12, 2026, Claude Fable 5 is rated 1506 Elo on LM Arena (21,242 Arena votes); Gemini 3.1 Pro is rated 1486 Elo on LM Arena (94,728 Arena votes). No source is blended; each stands on its own.
Claude Fable 5
1506 EloLM Arenahigher
21,242Arena votes
Gemini 3.1 Pro
1486 EloLM Arena
94,728Arena voteslarger base