# Moonshot's Kimi K3 outperforms Fable 5 in frontend code but lags far behind in complex math

> Source: <https://the-decoder.com/moonshots-kimi-k3-outperforms-fable-5-in-frontend-code-but-lags-far-behind-in-complex-math/>
> Published: 2026-07-19 09:32:19+00:00

Moonshot's Kimi K3 is the first Chinese model to top the Code Arena: Frontend rankings, beating Claude Fable 5 and GPT-5.6 Sol by a wide margin. But on advanced math, the gap is stark: Kimi K3 scores only about 39 percent on FrontierMath Tier 4, while models from OpenAI and Anthropic hit close to 90.

The article [Moonshot's Kimi K3 outperforms Fable 5 in frontend code but lags far behind in complex math](https://the-decoder.com/moonshots-kimi-k3-outperforms-fable-5-in-frontend-code-but-lags-far-behind-in-complex-math/) appeared first on [The Decoder](https://the-decoder.com).