01.AI vs AI21 Labs

By valuation, AI21 Labs is the larger company at $1.4B versus $1B — a 1.4x difference. Size can also be measured by team: 01.AI employs 150 people while AI21 Labs has 250 employees.

AI21 Labs has raised more in total funding at $636M, compared to 01.AI's $300M — a gap of $336M. Combined, the two companies have completed 15 known funding rounds.

AI21 Labs holds the higher Awaira Score at 72/100, compared to 01.AI's 64/100. The Awaira Score is a composite metric factoring in valuation, funding, stage, team size, and market presence — a 8-point gap that reflects meaningful differences in scale or traction.

01.AI was founded by Kai-Fu Lee in 2023. AI21 Labs was founded by Yoav Shoham in 2017. Visit each company's profile on Awaira for a full founder biography.

01.AI: 01.AI is a Chinese artificial intelligence company founded in 2023 that specializes in developing foundation models and large language models. The company focuses on creating open-source and commercial AI models for enterprise and consumer applications. 01.AI has gained recognition for its Yi series of large language models, which are designed to compete with international foundation models while optimizing for Chinese language understanding and multilingual capabilities. The company positions itself within China's competitive foundation model landscape, alongside competitors like Alibaba's Qwen and Baidu's Ernie. 01.AI's approach emphasizes both technological advancement in model architecture and accessibility through open-source releases, enabling broader adoption among developers and enterprises. The company has secured $300 million in total funding and achieved a $1.0 billion valuation, reflecting investor confidence in its technical capabilities and market potential. Operating at the Series D stage, 01.AI demonstrates significant traction in China's rapidly expanding AI sector. The company serves various use cases spanning text generation, code completion, and multimodal applications. Its competitive positioning centers on delivering high-quality models that balance performance with efficiency, particularly for Asian language processing. Growth trajectory indicates expansion into enterprise applications and international markets, though specific customer details remain proprietary. 01.AI distinguishes itself through its focus on open-source foundation models optimized for Chinese language understanding in a competitive Chinese AI ecosystem. AI21 Labs: AI21 Labs is an Israeli foundation model company founded in 2017 that develops large language models and AI systems for enterprise applications. The company is best known for its Jurassic language model family, which powers various natural language processing tasks including text generation, summarization, and question-answering. AI21 Labs operates through both direct API access and integration with cloud platforms, serving customers across multiple industries. The company has positioned itself in the competitive foundation models landscape alongside OpenAI, Anthropic, and other providers, distinguishing itself through a focus on instruction-following capabilities and multilingual support. AI21 Labs has secured $636 million in total funding and achieved a $1.4 billion valuation, reflecting investor confidence in its technology and market approach. The company operates primarily through its cloud-based AI platform, offering researchers and developers access to its models. It has demonstrated growth through partnerships and enterprise adoption, though facing intense competition in the rapidly consolidating foundation models sector. AI21 Labs remains in Series D funding stage, indicating it has not yet pursued initial public offering. The company employs researchers with backgrounds in academia and industry, maintaining focus on advancing core language model capabilities and exploring commercial applications across sectors including content generation, customer service, and information retrieval. AI21 Labs combines deep research in language models with enterprise-focused API infrastructure to compete against larger foundation model providers.

AI21 Labs was founded first in 2017, giving it 6 years of additional market experience. 01.AI was founded later in 2023. In AI, even a year or two of head start can translate into significantly more training data, customer relationships, and institutional knowledge.

01.AI has approximately 150 employees, while AI21 Labs has approximately 250. A larger team often signals higher revenue or venture backing, but in AI, smaller teams are increasingly capable of building at scale.

Yes, 01.AI and AI21 Labs are direct competitors — both operate in the Foundation Models space and likely target overlapping customer segments. This comparison is especially relevant for buyers evaluating both platforms.