This isn’t a product launch. It’s a CNBC data story (July 7) that quietly rewrites who’s winning the US AI market. On OpenRouter — the router where developers pick which model handles each API call — the share of tokens flowing to Chinese open-source models has stayed above 30% every week since Feb 8, peaking at 46%. The trailing 12-month average was 11%. First half of 2025? 4.5%. That’s not drift, that’s a structural flip.
Why it flipped
Price. Open Chinese models run 60–90% cheaper than OpenAI’s and Anthropic’s flagships. The clincher: Zhipu’s GLM-5.2 lands within a point of Claude Opus 4.8 on a key agent benchmark while costing roughly a fifth as much. So US teams started routing the boring tasks — the ones that never needed the smartest model — to whatever’s good enough and cheapest.
Why it matters
The frontier still belongs to US labs. But most tokens aren’t frontier work. China owns “good enough,” and good enough is where the volume lives.
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