01.AI
01.AI was founded in March 2023 by Kai-Fu Lee and built the open-source Yi model series before pivoting in early 2025 to commercial applications on top of DeepSeek's models, led by its global product PopAI. Most of its LLM training team moved to a joint lab with Alibaba Cloud in January 2025.
Valuation
$1B
Total Raised
$300M+
Yi-Lightning
Text
Closed
MoE flagship API model (Oct 2024). Ranked #6 on Chatbot Arena at launch — joint 3rd among LLM companies. 40% faster inference than prior Yi models. Final model before 01.AI halted pre-training in early 2025.
Context16K
Input
$0.14/1M tokens
Output
$0.14/1M tokens
View Docs ↗
Yi-Coder
Code
Open
Code model (Sep 2024); 1.5B and 9B variants; supports 52 programming languages; 128K context window.
Context128K
Input
Output
View Docs ↗
Yi-1.5
Text
Open
Open-source series (May 2024); 6B–34B variants. Improved coding, math, reasoning, and instruction-following over original Yi.
Context—
Input
Output
View Docs ↗
Yi-VL-34B
Multimodal
Open
34B vision-language model (early 2024). Open-weight multimodal extension of Yi-34B.
Context—
Input
Output
View Docs ↗
Yi-34B
Text
Open
Founding open-source model (Nov 2023). Topped HuggingFace Open LLM Leaderboard and C-Eval at launch. 200K-token context variant (Yi-34B-200K) also available.
MMLU76.3/100
Context200K
Input
Output
View Docs ↗
Total Raised
$300M+
All rounds
Valuation
$1B
Post-money (approx.)
Last Round
2024
Most recent year
Round Timeline
2023-11
Series A$300M
TencentXiaomiAlibaba CloudSinovation Ventures
2024-08
StrategicUndisclosed
Southeast Asian consortium
AI-powered document workspace targeting global markets. Features chat-with-document, AI presentation generation, and visual understanding. Supports 200+ languages. Primary B2C revenue driver for 01.AI following the company's 2025 pivot away from LLM pre-training.
零一万物转向企业AI解决方案，计划2027年赴港上市
Exposed Zero One Thousand Launches a New Round of Financing and Plans to Apply for IPO in 2027
AI large model company Zero One Everything plans to be listed in Hong Kong in 2027
AI Pioneer Kai-Fu Lee’s Startup Targets Hong Kong IPO Next Year
"Without Kai-Fu Lee, what else would there be for Zero One and All Things?" One dared to ask and the other dared to answer.
Kai-Fu Lee wants to build an upgraded version of Palantir, and Zero One Wagon releases “No. 1 AI”
Kai-Fu Lee creates an upgraded version of Palantir, and Zero-One World officially releases “No. 1 AI”
Lingyiwan launches three “No. 1 decision-making AI” products
Zero One Thousand Transformation Sovereign AI and ToB, Kai-Fu Lee said the goal is not OpenAI but Palantir
The AI business behind a chicken: Lingyiwuwu and Zhengda Group want to run through the closed loop of smart agriculture_Industry News
零一万物放弃基座模型预训练，全面转向政企AI定制化服务
Internal speech on the third anniversary of Zero One Thing: Kaifu Lee disclosed the 2027 listing target and added an additional 20 million option incentives
Watch 01.AI's Kai-Fu Lee on OpenClaw, China's AI Advances
01.ai's Kai-Fu Lee: Why China will beat the US in consumer AI
Is it the first year since multi-agent started working? 01Wanshi strives for "organizational intelligence"
2026, the "first year of enterprise multi-agent", is coming, and Zero-One Wanshi releases six key predictions for the industry
Kai-Fu Lee appoints three new executives: Zero One Thing’s “Top Project” and Large Model Midfield War
Exclusive reveal! AI Six Little Dragons "Zero, One, and All Things" have a new round of executive changes and are fully committed to deepening the ToB strategy
Conversation with Kai-Fu Lee: The explosion of large model applications will bring greater growth in inference chips
Watch 01.AI CEO on China's AI Development
前零一万物联创戴宗宏创业：20人团队，能干上百人的AI定制项目
零一万物万智2.0升级：推出企业级Agent，上线重塑企业工作流
零一万物联创、预训练和C端产品负责人谷雪梅离职创业｜智能涌现独家
01.AI Steps Back from Pretraining Frontier Models, Pivots to Enterprise and Sovereign AI
Kai-Fu Lee's 01.AI stopped pretraining its own frontier LLMs, choosing instead to build tailored solutions on top of open models such as DeepSeek's for enterprise and government clients in finance, gaming, and legal — and increasingly for "sovereign AI" deployments abroad. Lee said the company was preparing a new funding round and a 2027 IPO.
DeepSeek narrows China-US AI gap to three months, 01.AI founder Lee Kai-fu says
零一万物接入DeepSeek等服务企业 李开复称底层模型训练迎来终局
Is Pursuing AGI Too Ambitious for Chinese AI Startups?
Lee Kai-Fu's 01.AI announces it will stop training large language models, with part of its team joining an Alibaba joint lab — raising questions about whether independent AGI pursuit is viable in China.
Chinese start-up 01.AI founder Lee Kai-fu denies asset sale to Alibaba Cloud
李开复又辟谣了 零一万物深夜紧急否认被阿里收购
AI、中企出海……零一万物李开复、红杉中国浦晓燕等大咖热议 创投行业还有哪些投资机会？
「零一万物」完成数亿美元融资，某国际战投、东南亚财团加盟 | 36氪独家
李开复：国内大模型纷纷降价零一万物推出Yi-Large模型API 性能近似GPT-4 价格仅四分之一丨一手
李开复AI公司零一万物发千亿参数模型 预计2024年海外营收过亿｜出海·科技
零一万物发布千亿参数模型 Yi-Large，李开复：中国大模型赶上美国，立志比肩 GPT-5
Chinese AI startup 01.AI looks to raise $200 mln -sources
Tech unicorn 01.AI admits ‘oversight’ in naming AI model built on Meta’s Llama
改名！从Yi改回LLaMA，李开复的零一万物回应开发者质疑
China start-up 01.AI hits US$1 billion value with top-ranked open-source model
李开复再谈大模型，官宣新公司“零一万物”
Kai-Fu Lee
李开复
Founder & Chairman
