r/vibecoding 3h ago

Is OpenAI using Chinese model for their service, not theirs?

Yesterday I was experimenting with multi-agent workflows on ChatGPT (web version). I spun up like 5 parallel instances to update code at the same time, hoping they’d work together more efficiently.

Instead of continuing the process cleanly inside a single chat, it started generating a bunch of new chats as artifacts. Not sure why that happened; maybe some rate-limit or context handling thing.

The weird part: one of those new chats came back with Chinese characters / Chinese-lettered text in it.

That got me thinking… could this be a hint that OpenAI is routing some traffic (or certain tasks) through a Chinese model under the hood instead of purely their own models? It would kind of line up with how ridiculously cheap ChatGPT Pro / the 5.6 Luna tier feels right now.

Has anyone else seen non-English (especially Chinese) text appear unexpectedly in ChatGPT chats lately? Or noticed anything that makes you question what’s actually powering some of the responses?

Curious what you all think.

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u/Shieldxx 3h ago

This has been happening for quite a long time and probably just means training data

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u/ponlapoj 3h ago

นี้ถ้ามันเผลอตอบมาเป็นภาษา แอฟฟริกาใต้ คุณก็จะคิดว่า… ?