01.AI operates on a freemium model. While its open-source models are accessible, specific services like Yi-Lightning inference are usage-based, costing 14 cents per million tokens. Pricing for its enterprise solutions is customized and not publicly disclosed.

What are the main features of 01.AI?

Key features of 01.AI include Enterprise AI Agent Tailored Solutions, the development of open-source LLMs like Yi-Coder and Yi-Lightning, proprietary AI models and platforms, commercial licensing options, API access for integration, and a focus on foundation model breakthroughs and AI 2.0 innovations.

How does 01.AI compare to alternatives?

01.AI differentiates itself through its cost-efficient open-source Yi models (e.g., Yi-Lightning at $0.14/million tokens) and a strategic pivot to specialized enterprise AI solutions. It competes with companies like Alibaba Cloud (Qwen series) in multilingual and multimodal capabilities, DeepSeek in advanced reasoning models, Zhipu AI (GLM series) in agentic tasks, and global leaders like Meta AI (Llama series) and Mistral AI in the broader open-source LLM market.

AI Tool

01.AI Review

Name: 01.AI
Availability: OnlineOnly
Author: Stork.AI

01.AI is a Chinese artificial intelligence company that develops open-source large language models and AI-first applications.

shipped Apr 2, 2026updated May 27, 2026aifreemium

Why it matters

1Founded by AI pioneer Kai-Fu Lee, 01.AI focuses on open-source AI models and enterprise solutions.

2Its Yi-Coder model, launched September 2024, supports 52 programming languages and features a 128,000 token context length.

3The Yi-Lightning model, released October 2024, was ranked joint third among LLM companies by UC Berkeley SkyLab and LMSYS.

401.AI demonstrated training AI models with 2,000 GPUs at a cost of $3 million, significantly less than competitors.

Stork’s verdict on 01.AI

01.AI delivers enterprise-grade LLM solutions with industry tailoring, but its strategic pivot may make it overkill for startups.

01.AI reviewed by Stork AI · stork.ai/en/01-ai

About 01.AI

Business Model

Subscription SaaS

Headquarters

Beijing, China

Platforms

Web

Target Audience

Businesses looking for AI solutions

Leadership

Kai-Fu LeeCEO

Sandy ShenCo-Founder

GitHub

Specs

API Available

Yes, public API

overview

What is 01.AI?

01.AI is an artificial intelligence company focused on large language models developed by 01.AI that enables AI developers, small businesses, startups, and enterprise customers to develop open-source and proprietary AI models and platforms to enhance human productivity and make AGI accessible. It offers enterprise AI agent and LLM solutions, including the WorldWise Enterprise LLM Platform. Founded by Kai-Fu Lee, a prominent figure in the AI industry, the Beijing-based company initially developed general-purpose models like PopAi and Mona, but has since pivoted to an enterprise-focused strategy. This strategic shift, announced in May 2025, emphasizes tailored AI business solutions for sectors such as finance, gaming, and legal, moving away from consumer-facing products which faced difficulties in 2024.

features

Key Features of 01.AI

01.AI provides a suite of features designed for both open-source AI development and enterprise-level deployment, leveraging its foundation model breakthroughs and AI 2.0 innovations.

Enterprise AI Agent Tailored Solutions for specific industry needs.
Development and release of open-source large language models (LLMs), such as Yi-Coder and Yi-Lightning.
Proprietary AI models and platforms for enhanced performance and specialized applications.
Commercial Licensing options for integrating 01.AI's models into business products.
API access for seamless integration of 01.AI's models into existing systems and applications.
Focus on Foundation Model Breakthroughs to drive advanced AI capabilities.
Strategic Business Partnership Opportunities for collaborative AI development and deployment.

use cases

Who Should Use 01.AI?

01.AI targets a diverse range of users, from individual AI developers to large enterprises, providing solutions tailored to various AI development and deployment needs.

AI developers: For integrating open-source Yi models via API, leveraging models like Yi-Coder for coding assistance or Yi-Lightning for general language tasks.
Small businesses and startups: Seeking AI-powered productivity assistants and tailored AI business solutions to enhance operational efficiency.
Enterprise customers: Requiring robust enterprise AI agent and LLM solutions, including the WorldWise Enterprise LLM Platform, for complex business processes.
Organizations in finance, gaming, and legal sectors: For specialized AI solutions designed to meet industry-specific requirements and regulatory compliance.

pricing

01.AI Pricing & Plans

01.AI operates on a freemium model, offering access to its open-source models while providing usage-based pricing for specific services and undisclosed pricing for its enterprise solutions. For its Yi-Lightning model, the inference cost is reported at 14 cents per million tokens, which is notably more cost-effective than OpenAI's GPT o1-mini at 26 cents per million tokens. Detailed pricing plans for 01.AI's "WorldWise Enterprise LLM Platform" or "Enterprise AI Agent Tailored Solutions" are not publicly available, indicating a customized approach for enterprise clients.

Freemium Model: Access to open-source models and potentially limited free usage tiers.
Yi-Lightning Inference: $0.14 per million tokens for model inference.
Enterprise Solutions: Pricing for "WorldWise Enterprise LLM Platform" and "Enterprise AI Agent Tailored Solutions" is customized and not publicly disclosed.

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01.AI vs Competitors

01.AI operates in a highly competitive global AI landscape, positioning itself through a focus on cost-efficient open-source models and specialized enterprise solutions. Its Yi models have achieved competitive rankings against established players.

Alibaba Cloud (Qwen series)↗

Alibaba Cloud's Qwen series excels in multilingual tasks, particularly Chinese and English, and focuses on multimodal reasoning capabilities.

As a prominent Chinese tech company, Alibaba Cloud directly competes with 01.AI in the regional market by offering a family of open-source large language models (Qwen) available through its cloud platform and open-source channels, mirroring 01.AI's strategy.

DeepSeekOn Stork Compare

DeepSeek is known for its advanced open-source reasoning models, such as DeepSeek-R1 and DeepSeek-V3, which are freely available for commercial use and demonstrate strong performance in complex tasks like mathematics and coding.

DeepSeek, a Chinese company, is a direct competitor to 01.AI in the open-source LLM space, particularly due to its focus on powerful reasoning capabilities and a permissive commercial license for its models.

Zhipu AI (GLM series)↗

Zhipu AI develops the GLM family of open-source large language models, specifically designed for complex systems engineering and long-horizon agentic tasks.

As another Chinese AI company with a strong emphasis on open-source LLMs, Zhipu AI directly competes with 01.AI, especially in providing foundational models for enterprise-level AI applications and agentic workflows.

Meta AI (Llama series)On Stork Compare

Meta AI offers the widely adopted Llama series, a family of open-source large language models with a permissive commercial license and a broad community ecosystem.

While not a Chinese company, Meta AI is a global leader in the open-source LLM domain, directly competing with 01.AI by providing foundational models for developers with a strong focus on community support and commercial applicability.

Mistral AIOn Stork Compare

Mistral AI is a European company renowned for developing efficient, performant, and open large language models, often released under permissive licenses, and known for strong multilingual capabilities.

Mistral AI directly competes with 01.AI in the open-source LLM market by offering high-performance models with permissive licenses and API access, catering to developers building AI-first applications globally.

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