Skip to content

Model Library

NanbeigeReleased February 11, 2026

Nanbeige4.1-3B

Nanbeige · Released February 11, 2026

Intelligence score

10

At a glance

Intelligence
10
Speed
—
Latency
—
Input price
Not published
Output price
Not published
Context window
260Ktokens
Parameters
3.93billions

Summary

Comparison summary

Nanbeige4.1-3B scores 10 (estimated) on the Artificial Analysis Intelligence Index, placing it well above average among other open weight models of similar size (median: 4).

Specifications

Technical specifications

Model nameNanbeige4.1-3B
ProviderNanbeige
Release dateFebruary 11, 2026
Intelligence score10
Speed—
Latency (TTFT)—
Input priceNot published
Output priceNot published
Context window260,000 tokens
Parameters3.93B
ReasoningYes
Input modalitiestext
Output modalities—
Open weightsYes
LicenseApache 2
API availability—
SourceModel Intelligence legacy profile: nanbeige4-1-3b

FAQ · 15

Frequently asked questions

Nanbeige4.1-3B was released on February 11, 2026.

Nanbeige4.1-3B was created by Nanbeige.

Nanbeige4.1-3B scores 10 (estimated) on the Artificial Analysis Intelligence Index, placing it well above average among other open weight models of similar size (median: 4).

Yes, Nanbeige4.1-3B is a reasoning model. It uses extended thinking or chain-of-thought reasoning to work through complex problems before providing an answer.

Nanbeige4.1-3B supports text input.

Nanbeige4.1-3B supports text output.

No, Nanbeige4.1-3B does not support image input. It can only process text.

No, Nanbeige4.1-3B is not multimodal. It only supports text input.

Nanbeige4.1-3B has a context window of 260k tokens. This determines how much text and conversation history the model can process in a single request.

Yes, Nanbeige4.1-3B is open weights. The model weights are publicly available and can be downloaded for self-hosting.

Nanbeige4.1-3B has 3.93 billion parameters.

Nanbeige4.1-3B is released under the Apache 2.0 license. This license allows commercial use.

Nanbeige4.1-3B achieves a score of 10 on the Artificial Analysis Intelligence Index. This composite benchmark evaluates models across reasoning, knowledge, mathematics, and coding.

Nanbeige4.1-3B is an open weights model that can be self-hosted.

Nanbeige4.1-3B is an open weights model that can be downloaded and self-hosted.