StepFun vs Anthropic

By valuation, Anthropic is the larger company at $380B versus $2B — a 190x difference. Size can also be measured by team: StepFun employs 100-500 people while Anthropic has 3,000 employees.

Anthropic has raised more in total funding at $67B, compared to StepFun's $570M — a gap of $66.4B. Combined, the two companies have completed 9 known funding rounds.

Anthropic leads with an Awaira Score of 95/100, while StepFun sits at 58/100. That 37-point gap reflects real differences in funding, scale, and traction — it's not a vanity metric.

StepFun was founded by Jiang Daxin in 2023. Anthropic was founded by Dario Amodei in 2021. Visit each company's profile on Awaira for a full founder biography.

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. Anthropic: Anthropic is an AI safety company founded in 2021 that develops large language models and AI systems. The company's flagship product is Claude, a conversational AI assistant available through web interfaces, APIs, and mobile applications. Claude is designed with constitutional AI methods, an approach emphasizing safety and alignment with human values through training techniques that reduce harmful outputs and improve reasoning capabilities. Anthropic positions itself within the foundation models sector, competing alongside OpenAI, Google, and other organizations developing large-scale language models. The company has achieved a valuation of $380 billion as of its latest funding round, with total funding of $57 billion across multiple rounds, currently at Series G stage. Its investors include Google, Salesforce, and various venture capital firms. Claude serves diverse use cases including customer service automation, content generation, coding assistance, research support, and general knowledge queries. The model is available in multiple versions with varying capability levels and context window sizes. Anthropic emphasizes interpretability research and AI safety practices alongside product development, distinguishing its approach from purely capability-focused competitors. The company's growth trajectory reflects significant institutional investment and market adoption. Anthropic operates as a private company while maintaining substantial research output and publications on AI safety methodologies. Anthropic differentiates through explicit focus on AI safety and constitutional AI training methods rather than pure capability scaling.

Anthropic got there first, launching in 2021 — that's 2 years of extra runway. StepFun didn't arrive until 2023. In AI, that kind of head start means more training data, deeper customer relationships, and a bigger talent moat.

StepFun has about 100-500 employees; Anthropic has about 3,000. A bigger team usually means more revenue or heavier VC backing, but in AI, small teams can build at massive scale.

Yes — they're direct rivals. Both StepFun and Anthropic compete in Foundation Models, targeting many of the same buyers. If you're evaluating one, you should be looking at the other.