Kimi-K3 Tops Arena Frontend Code Leaderboard, Beating Claude Fable 5

China’s Moonshot AI said Kimi-K3 is now the top model on Arena’s Frontend Code leaderboard, overtaking Claude Fable 5 with 1,679 points versus 1,631. The model won six of seven coding categories and undercuts Claude Fable 5 on price, according to BeInCrypto, at $3 per million input tokens and $15 for output versus Arena’s $10 and $50. Moonshot will also release Kimi-K3’s full model weights by July 27.