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UserLM-8b

Unlike typical LLMs that are trained to play the role of the "assistant" in conversation, we trained UserLM-8b to simulate the “user” role in conversation (by training it to predict user turns in a large corpus of conversations called WildChat).

text → text · made by Microsoft

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About

UserLM-8b — a text model from Microsoft.

It takes text and returns text. It was published in September 2025. The catalogue files it under chat. Its weights are published under MIT, so you may run it on your own machine, or buy it from whoever serves it cheapest.

Every current figure

Maker
Microsoft
Register
model
Takes
text
Returns
text
Published
September 2025
Parameters
8 billion · read from its own weights
Licence
mit

Known as 1 name

microsoft/UserLM-8b