---
id: "entity-01-ai"
type: "entity"
entityType: "organization"
canonicalName: "01.AI"
aliases: ["01 AI", "Yi (model family)"]
source_timestamps: ["¶2", "¶6"]
tags: ["ai-startup", "six-little-tigers"]
related: ["claim-chinese-ai-caught-up", "entity-six-little-tigers"]
canonical_url: "01.ai"
source_url: "https://hbr.org/2025/09/how-savvy-companies-are-using-chinese-ai"
source_title: "How Savvy Companies Are Using Chinese AI"
sources: ["tail2"]
sourceVaultSlug: "hbr-seg-tail2"
originDay: 2
articleStem: "hbr-tail-123-using-chinese-ai"
sourceUrl: "https://hbr.org/2025/09/how-savvy-companies-are-using-chinese-ai"
sourceTitle: "How Savvy Companies Are Using Chinese AI"
---
# 01.AI

**01.AI** is a Chinese AI startup and one of China's **'[[entity-six-little-tigers|Six Little Tigers]]'**. It launched the **Yi-Lightning** model, which rapidly ascended leaderboards on the basis of **price, performance, and accuracy** — supporting evidence for [[claim-chinese-ai-caught-up]].

**Enrichment (NBR):** 01.AI was founded by **Kai-Fu Lee** and develops the **Yi** and **Yi-Lightning** models; it is frequently listed among leading Chinese challengers. Canonical presence: 01.ai.