LLM ReferenceLLM Reference

ERNIE 4.5 21B A3B

ernie-4.5-21b-a3b

Proprietary

About

ERNIE 4.5 21B A3B is a Mixture-of-Experts model from Baidu with 21B total parameters and 3B activated per token. It delivers strong performance across Chinese and English language tasks with efficient inference at 120K context.

ERNIE 4.5 21B A3B has a 120K-token context window.

Capabilities

VisionMultimodalReasoningFunction CallingTool UseStructured OutputsCode Execution

Rankings

Specifications

FamilyERNIE 4.5
Released2026-01-01
Parameters21B
Context120K
Architecturemoe
Specializationgeneral
LicenseProprietary
Trainingpretrained

Created by

Innovative text-to-video and app builder

Beijing, China
Founded 2010
Website