ERNIE Foundation Models

Model Family

Baidu's family of knowledge-enhanced and multimodal foundation models, also branded Wenxin.

Models in this family

Model	Family	Released	Modality	Context	Open source	API	Status
ERNIE 5.1	ERNIE Foundation Models	May 9, 2026	text	—	—	—	active
ERNIE-Image	ERNIE Foundation Models	Apr 15, 2026	textimage	—	Yes	—	active
ERNIE 5.0	ERNIE Foundation Models	Feb 6, 2026	textimagevideoaudio	—	—	—	active
ERNIE 4.5 VL 28B A3B Thinking	ERNIE Foundation Models	Nov 11, 2025	textimage	—	Yes	—	active
ERNIE 4.5 Turbo	ERNIE Foundation Models	Apr 25, 2025	textimage	—	—	—	active
ERNIE X1 Turbo	ERNIE Foundation Models	Apr 25, 2025	text	—	—	—	active
ERNIE 4.5	ERNIE Foundation Models	Mar 16, 2025	textimage	—	Yes	—	active
ERNIE X1	ERNIE Foundation Models	Mar 16, 2025	text	—	—	—	active
ERNIE 4.0 Turbo	ERNIE Foundation Models	Jun 28, 2024	text	—	—	—	active
ERNIE 4.0	ERNIE Foundation Models	Oct 17, 2023	text	—	—	—	historical
ERNIE 3.5	ERNIE Foundation Models	May 1, 2023	text	—	—	—	historical
ERNIE 3.0	ERNIE Foundation Models	Jul 6, 2021	text	—	—	—	historical
ERNIE 2.0	ERNIE Foundation Models	Jul 29, 2019	text	—	—	—	historical
ERNIE 1.0	ERNIE Foundation Models	Mar 16, 2019	text	—	—	—	historical

Mar 16, 2019ERNIE foundation-model family introducedERNIE Foundation ModelsResearch paper

Baidu introduced knowledge-enhanced pre-training through ERNIE.