Baidu

22 models tracked · latest release 2026-06-22

Model deprecation and retirement notices

Product line release timeline

Generational evolution by product line · dot = one model release · dashed line connects successive generations · click a dot to open the model page

Models

16

Time span

359days

Avg. gap

24days

Published models

22 models

Models published by Baidu, grouped into 2 series.

ERNIE 5.0

Multimodal models1Reasoning models1

First: 2025-11-01
Latest: 2025-11-13
Span: 13 days
Models: 2

Multimodal models

ERNIE 5.0Unknown

2400B·2025-11-13

Reasoning models

ERNIE 5.0 Thinking PreviewUnknown

2400B·2025-11-01

ERNIE-4.5

Reasoning models1Multimodal models4Foundation models2Chat models3

First: 2025-03-16
Latest: 2025-11-11
Span: 241 days
Models: 10

Reasoning models

ERNIE-4.5-VL-28B-A3B-ThinkingOpen source

28B·2025-11-11

Multimodal models

ERNIE-4.5-VL-28B-A3BOpen sourceRetired · 2026-06-09

28B·2025-08-20

ERNIE-4.5-VL-28B-A3B-PaddleOpen source

28B·2025-06-30

ERNIE-4.5-VL-424B-A47B-BaseOpen source

424B·2025-06-30

ERNIE-4.5-VL-28B-Base-A3BOpen source

28B·2025-06-28

Foundation models

ERNIE-4.5-0.3B-BaseOpen source

0.3B·2025-06-30

ERNIE-4.5-21B-A3B-BaseOpen source

21B·2025-06-30

Chat models

ERNIE-4.5-300B-A47BOpen source

300B·2025-06-30

ERNIE-4.5-300B-A47B-BaseOpen source

300B·2025-06-30

ERNIE 4.5Unknown

No series

10 models

Vision models

Unlimited-OCROpen source

3.3B·2026-06-22

Reasoning models

ERNIE-5.1-PreviewUnknown

800B·2026-04-30

ERNIE X1Unknown

Multimodal models

PaddleOCR-VL-1.5Open source

0.1B·2026-01-29

Chat models

ERNIE 5.0 (0110)Unknown

ERNIE 5.0 Preview (1203)Unknown

Foundation models

ERNIE-ViLG 2.0Unknown

24B·2022-10-27

ERNIE 3.0Unknown

10B·2021-07-01

ERNIE 2.0Unknown

0.3B·2019-07-01

ERNIE 1.0Open source

0.3B·2019-03-16

About this organization

Baidu is China's largest search engine service provider with strong technical capabilities. The technology provided by Baidu Research Institute is well-known in the industry.