CNBC — Chinese AI has leveled up, and the open-weight shift is the story

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CNBC — Chinese AI has leveled up, and the open-weight shift is the story

· CNBC

Source: View source · CNBC · web

Why it's worth your time

The detail the headlines skip: K3 beats Claude Opus 4.8 and GPT-5.5 on coding/agent benchmarks but still trails the current frontier (Fable 5, GPT-5.6) — and the stocks that fell hardest on the release were Chinese AI names (Z.ai −28%, MiniMax −16%), not US semis.

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