01.AI vs StepFun

01.AI has a disclosed valuation of $1B, while StepFun'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 StepFun's $200M — a gap of $100M. Combined, the two companies have completed 5 known funding rounds.

01.AI holds the higher Awaira Score at 64/100, compared to StepFun's 58/100. The Awaira Score is a composite metric factoring in valuation, funding, stage, team size, and market presence — a 6-point gap that reflects meaningful differences in scale or traction.

01.AI was founded by Kai-Fu Lee in 2023. StepFun was founded by Jiang Daxin in 2023. 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. StepFun: StepFun develops multimodal foundation models for Chinese and English language applications, producing the Step series of large language and vision-language models that target enterprise deployment through API and private cloud licensing. The Beijing company was founded by Jiang Daxin, a former senior executive at Baidu, bringing search and large-scale AI infrastructure experience to foundation model development in the rapidly competitive Chinese LLM startup market.\n\nThe company raised approximately $200 million in early funding from Chinese venture capital firms including Hillhouse Capital and other technology-focused investors backing the wave of Chinese foundation model startups that emerged following the launch of ChatGPT. StepFun models are positioned for enterprise customers in finance, legal, and customer service sectors requiring high-quality Chinese language reasoning and instruction following capabilities.\n\nStepFun competes in a crowded Chinese foundation model market alongside Moonshot AI, MiniMax, Zhipu AI, and Baichuan, as well as the AI divisions of Alibaba, Baidu, and ByteDance that have substantially greater compute resources and distribution. The Chinese foundation model market has seen aggressive fundraising and model release activity as the government signals support for domestic AI capability development. Differentiation among Chinese LLM startups is increasingly difficult as model benchmark performance converges, shifting competition toward vertical domain adaptation, inference cost, and enterprise integration services.

Both 01.AI and StepFun were founded in the same year — 2023. Despite sharing a founding year, they may have launched at different times within that year, which can matter in fast-moving AI markets.

01.AI has approximately 150 employees, while StepFun has approximately 100-500. 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 StepFun 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.