Pass IndexThe State of AISign in

Jan-v1-4B

Jan-v1 uses the Qwen3-4B-thinking model to provide enhanced reasoning capabilities and tool utilization.

text → text · made by Jan

Sold by

Nobody in the catalogue publishes a price for this yet.

About

Jan-v1-4B — a text model from Jan.

It takes text and returns text. It was published in August 2025. The catalogue files it under chat. Its weights are published under APACHE-2.0, so you may run it on your own machine, or buy it from whoever serves it cheapest.

Every current figure

Maker
Jan
Register
model
Takes
text
Returns
text
Published
August 2025
Parameters
4 billion · read from its own weights
Licence
apache-2.0

Known as 1 name

janhq/Jan-v1-4B