LLM API·China·Global access
01.AI
Yi model family from Kai-Fu Lee's 01.AI — strong bilingual open-weight releases
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- Founded
- 2023
- Headquarters
- China
- Price range
- —
- API format
- openai
About 01.AI
01.AI (零一万物) ships the Yi family: Yi-Lightning (flagship chat), Yi-Large, Yi-VL (vision), plus open-weight Yi-34B / Yi-9B on Hugging Face. Founded by Kai-Fu Lee; known for competitive bilingual performance and generous open-weight licensing for research.
Pros
- +Overseas node available — accessible from outside mainland China
- +OpenAI-compatible API: openai — drop-in for existing SDK users
- +Established 3+ years (founded 2023)
Cons
- −Payments only via alipay, wechat — may block non-China billing
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Frequently asked questions
- Does 01.AI have an overseas node?
- Yes. 01.AI operates at least one overseas endpoint, so developers outside mainland China can reach the API without a VPN.
- What API formats does 01.AI support?
- 01.AI exposes openai-compatible endpoints, so existing client SDKs (openai-python, openai-node, LangChain, etc.) work with a base-URL swap.
- When was 01.AI founded?
- 01.AI was founded in 2023.
- What payment methods does 01.AI accept?
- 01.AI accepts alipay, wechat. Check the provider's billing docs for mainland vs. international top-up rules.
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