Anthropic’s new funding accelerates AI innovation and international growth

Series E round values Claude developer at $61.5bn
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Image: Anthropic

5 March 2025

An AI startup called Anthropic recently announced that it has secured $3.5 billion in funding, valuing the company at $61.5 billion after the Series E round. Lightspeed Venture Partners led this investment, with participation from other prominent companies such as Bessemer Venture Partners, Cisco Investments and Salesforce Ventures. This brings Anthropic’s total capital raised to $18.2 billion, according to Crunchbase.

Anthropic plans to use these funds to advance its research and development of next-generation AI systems. They plan to expand their computing power, deepen their research on mechanistic interpretability and tuning in AI and accelerate their international growth. The company is primarily focused on developing AI systems designed to act as collaborative partners, help teams tackle complex projects, synthesise information from different fields and enable organisations to make a significant impact.

This major funding round follows the launch of Anthropic’s newest AI model, Claude 3.7 Sonnet. This ‘hybrid reasoning’ model is designed to carefully consider questions before providing answers, which is a step toward simplifying user interactions with AI products. Anthropic wants to move away from the complex model selection processes in many of today’s AI chatbots, which require users to choose between different options based on cost and capability. Their goal is to create a system where a single model can effectively handle all tasks.

Anthropic reportedly achieved about $1 billion in revenue last year, growing 30 % so far in 2025. This revenue comes mainly from their API that serves their models and subscriptions to their AI chatbot Claude. However, developing these advanced AI systems requires significant investment. The company expects to spend $3 billion (€2.88 billion) this year, according to reports.

To increase profitability, Anthropic is focusing on releasing new tools and subscription tiers. These include ‘agents’ that can perform computer-based tasks, a desktop client and mobile applications. The company has also expanded its operations by opening offices in Europe and attracting prominent talent such as Instagram co-founder Mike Krieger, OpenAI co-founder Durk Kingma and former OpenAI security researcher Jan Leike.

Anthropic has strengthened its partnership with Amazon, which has become a major investor and collaborator. In November, Amazon invested another $4 billion in Anthropic and agreed to work with them to optimise their custom AI chips, Trainium, for model training workloads. Amazon is also working with Anthropic to improve its virtual assistant, Alexa+, using Anthropic’s models for certain aspects of the improved service.

Anthropic was co-founded in 2021 by CEO Dario Amodei, who was previously VP of research at OpenAI. He reportedly left OpenAI because of disagreements over the company’s strategic direction and took several former OpenAI employees with him to found Anthropic, including Jack Clark, who had been OpenAI’s policy director.

Anthropic often positions itself as a company that prioritises security more than OpenAI.

Business AM

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