# Baidu — Announcing the Open Source Release of the ERNIE 4.5 Model Family

- Company: Baidu (baidu.com)
- Announced: 2025-06-30T00:00:00+00:00
- Category: open-weight-release
- Subject: ERNIE
- Open weights: yes
- Models affected: ERNIE 4.5, ERNIE-4.5-300B-A47B-Base, ERNIE-4.5-21B-A3B-Base, ERNIE-4.5-300B-A47B, ERNIE-4.5-21B-A3B, ERNIE-4.5-VL, ERNIE-4.5-VL-424B-A47B, ERNIE-4.5-VL-28B-A3B
- License: Apache 2.0
- Source: https://ernie.baidu.com/blog/posts/ernie4.5/
- Record: https://forck.live/items/4655-announcing-the-open-source-release-of-the-ernie-4-5-model-family

Baidu announces the open-source release of the ERNIE 4.5 model family, a set of multimodal MoE models with up to 424B total parameters, available under Apache 2.0. The models achieve state-of-the-art performance on text and multimodal benchmarks.

## Evidence

Verbatim from https://ernie.baidu.com/blog/posts/ernie4.5/:

> We introduce ERNIE 4.5, a new family of large-scale multimodal models comprising 10 distinct variants.

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