ERNIE Bot

Product

Baidu's consumer conversational AI assistant, originally launched as Wenxin Yiyan.

Releases

Jun 25, 2026ERNIE web service upgrades to unified experienceERNIE BotFeature update

Baidu moved ERNIE web services to an upgraded site with chat, creation and web-search capabilities.

Apr 1, 2025ERNIE Bot becomes freeERNIE BotPricing change

Baidu made access to its latest ERNIE models free on PC and mobile.

Nov 1, 2023ERNIE Bot 4.0 subscription beginsERNIE BotPricing change

Baidu began charging a subscription for public access to ERNIE 4.0 through ERNIE Bot.

Aug 31, 2023ERNIE Bot opens to the publicERNIE BotProduct launch

Baidu opened ERNIE Bot broadly after completing required generative-AI filings.

Mar 16, 2023ERNIE Bot unveiledERNIE BotProduct launch

Baidu unveiled its generative conversational assistant, Wenxin Yiyan/ERNIE Bot.