{"slug": "moonshot-s-kimi-k3-outperforms-fable-5-in-frontend-code-but-lags-far-behind-in", "title": "Moonshot's Kimi K3 outperforms Fable 5 in frontend code but lags far behind in complex math", "summary": "Moonshot's Kimi K3 became the first Chinese model to top the Code Arena: Frontend rankings, outperforming Claude Fable 5 and GPT-5.6 Sol by a wide margin, but scored only about 39 percent on FrontierMath Tier 4, while OpenAI and Anthropic models hit close to 90 percent.", "body_md": "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.\n\nThe 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).", "url": "https://wpnews.pro/news/moonshot-s-kimi-k3-outperforms-fable-5-in-frontend-code-but-lags-far-behind-in", "canonical_source": "https://the-decoder.com/moonshots-kimi-k3-outperforms-fable-5-in-frontend-code-but-lags-far-behind-in-complex-math/", "published_at": "2026-07-19 09:32:19+00:00", "updated_at": "2026-07-20 13:13:34.100927+00:00", "lang": "en", "topics": ["artificial-intelligence", "large-language-models", "ai-products"], "entities": ["Moonshot", "Kimi K3", "Claude Fable 5", "GPT-5.6 Sol", "OpenAI", "Anthropic"], "alternates": {"html": "https://wpnews.pro/news/moonshot-s-kimi-k3-outperforms-fable-5-in-frontend-code-but-lags-far-behind-in", "markdown": "https://wpnews.pro/news/moonshot-s-kimi-k3-outperforms-fable-5-in-frontend-code-but-lags-far-behind-in.md", "text": "https://wpnews.pro/news/moonshot-s-kimi-k3-outperforms-fable-5-in-frontend-code-but-lags-far-behind-in.txt", "jsonld": "https://wpnews.pro/news/moonshot-s-kimi-k3-outperforms-fable-5-in-frontend-code-but-lags-far-behind-in.jsonld"}}