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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

$0.37→$0.38per Mtok in / out
Featherless AI

Sold by 1 way

SellerLaneRate
Featherless AI aggregatorstandard$0.37per Mtok in$0.38per Mtok outapi.featherless.ai · read 2026-09-20

About

UserLM-8b — a text model from Microsoft, sold by one company from $0.37 in and $0.38 out per million tokens.

It takes text and returns text, with a context window of 8,192 tokens. 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. Only Featherless AI sells it, at $0.37 in and $0.38 out per million tokens.

Every current figure

Maker
Microsoft
Register
model
Takes
text
Returns
text
Context
8,192 tokens
Published
September 2025
Parameters
8 billion · read from its own weights
Licence
mit
Sellers
1
Maker's own price
not read
Price
$0.37 in and $0.38 out per million tokens — Featherless AI

Known as 1 name

microsoft/UserLM-8b