US products quietly build on Chinese open-weight models as one firm cuts spend by ~100x
generativist · x · 2026-09-19
A pair of posts highlights a quiet industry trend: lots of new products are being built on Chinese open-weight models, and since they run on US-based infrastructure, companies don't even have to disclose it.
- kylebrussell says their internal brain/knowledge base moved from Opus to Sonnet to GLM 5.2 to GLM 5.3 flash, cutting spend by roughly two orders of magnitude since spring
- signulll notes most people underestimate how much is being built on Chinese open weights
Cost-sensitive B2B workloads are materially substituting US closed models with Chinese open-weight ones.
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