01.AI vs Elyza

01.AI has a disclosed valuation of $1B, while Elyza's valuation is not publicly available, making a direct size comparison difficult. 01.AI employs 150 people.

01.AI has raised more in total funding at $300M, compared to Elyza's $30M — a gap of $270M. Combined, the two companies have completed 6 known funding rounds.

01.AI holds the higher Awaira Score at 64/100, compared to Elyza's 45/100. The Awaira Score is a composite metric factoring in valuation, funding, stage, team size, and market presence — a 19-point gap that reflects meaningful differences in scale or traction.

01.AI was founded by Kai-Fu Lee in 2023. Elyza was founded by Tetsuya Yamada in 2019. 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. Elyza: Elyza developed Japanese large language models and enterprise AI applications, building on top of open-source models including Llama to create fine-tuned Japanese language variants with high Japanese language quality, and offering enterprise AI services using its Japanese LLM capabilities for customer service, document processing, and content generation applications. The Tokyo company focused on the specific characteristics of Japanese language including script mixing, honorific speech levels, and domain-specific vocabulary.\n\nThe company raised approximately $30 million in venture funding before being acquired by KDDI, the Japanese telecommunications operator, in 2024. The acquisition gave KDDI an in-house Japanese AI capability to deploy across its telecommunications services and enterprise AI offerings for KDDI business customers, as Japanese telecoms operators compete to add AI features to their enterprise service portfolios.\n\nElyza operated in the Japanese LLM market alongside CyberAgent AI Lab, NTT AI research, and the open-source Japanese AI community centred around the National Institute of Informatics. The acquisition by KDDI reflects the pattern of large Japanese corporations acquiring AI startups to accelerate internal AI capability development rather than building Japanese-language AI expertise from scratch. Japanese LLM development requires significant training data in Japanese and expertise in Japanese language evaluation that international foundation model providers building Japanese language versions of their models must develop separately.

Elyza was founded first in 2019, giving it 4 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 Elyza has approximately 1-50. 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 Elyza 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.