Apertus Chat (Public AI) is free, with no paid plan attached. Baidu Ernie Bot (Wenxin Yiyan) is free, with no paid plan attached. Both are listed under General Purpose Chatbots, so this is a like-for-like comparison. Neither is ranked above the other — Flocci carries no sponsored placement.
Apertus Chat (Public AI) is free, with no paid plan attached and is listed for chat directly on Apertus 1.5, the fully open Swiss model from ETH, EPFL and CSCS (released 2026-07-24). Baidu Ernie Bot (Wenxin Yiyan) is free, with no paid plan attached and is listed for baidu's flagship consumer chatbot built on its Ernie model family. Both sit in General Purpose Chatbots.
Neither — Apertus Chat (Public AI) and Baidu Ernie Bot (Wenxin Yiyan) are both free, so the choice comes down to capability rather than cost. Both entries list what they uniquely do above.
Choose Apertus Chat (Public AI) if you need chat directly on Apertus 1.5, the fully open Swiss model from ETH, EPFL and CSCS (released 2026-07-24); choose Baidu Ernie Bot (Wenxin Yiyan) if you need baidu's flagship consumer chatbot built on its Ernie model family. Flocci AI Tools does not rank one above the other — it shows both feature sets side by side and lets the requirement decide.
| Apertus Chat (Public AI) | Baidu Ernie Bot (Wenxin Yiyan) | |
|---|---|---|
| Pricing tier | Free | Free |
| Free to start | Yes | Yes |
| Category | AI Chat & Assistants | AI Chat & Assistants |
| Type | General Purpose Chatbots | General Purpose Chatbots |
| Listed capabilities |
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| Tags | apertus, swiss ai chat, apertus 70b, public ai chat, open swiss llm, free sovereign ai chat | ernie bot, wenxin yiyan, baidu ai, baidu chatbot, chinese ai assistant, free |
| Website | chat.publicai.co | wenxin.baidu.com |
| Full page | Apertus Chat (Public AI) details → | Baidu Ernie Bot (Wenxin Yiyan) details → |
| Alternatives | Apertus Chat (Public AI) alternatives → | Baidu Ernie Bot (Wenxin Yiyan) alternatives → |