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Nanbeige4.1-3B

Nanbeige4.1-3B is built upon Nanbeige4-3B-Base and represents an enhanced iteration of our previous reasoning model, Nanbeige4-3B-Thinking-2511, achieved through further post-training optimization with supervised fine-tuning (SFT) and reinforcement learning (RL).

text → text · made by Nanbeige LLM Lab

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Measured 1 standing

PlaceBoardMetricScore
216thof 302Artificial Analysis · Intelligence IndexArtificial Analysis Intelligence Index8

About

Nanbeige4.1-3B — a text model from Nanbeige LLM Lab, placed 216th of 302 on Artificial Analysis · Intelligence Index.

It takes text and returns text. It was published in February 2026. 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. It stands 216th of 302 on Artificial Analysis · Intelligence Index.

Every current figure

Maker
Nanbeige LLM Lab
Register
model
Takes
text
Returns
text
Published
February 2026
Parameters
3.9 billion · read from its own weights
Licence
apache-2.0
Boards
1
Best place
216th of 302 — Artificial Analysis · Intelligence Index

Known as 1 name

Nanbeige/Nanbeige4.1-3B