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Russian (RU) Paula Tudoran
Tue, May 20, 2025, 7:02 AM 4 min read
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AI21 Labs, an Israeli generative AI startup building proprietary large language models, is raising a $300 million Series D funding round. The round boosts its total funding to $636 million and solidifies its position among the most heavily funded players in the AI infrastructure race, according to Business Insider.
The company's investor roster includes Nvidia (NASDAQ:NVDA), Google, and Intel Capital, all returning to support this new raise. Other backers include Walden Catalyst, Pitango, Comcast Ventures, and Samsung Next. These firms have placed long-term bets on the Israel-based startup's vision of AI built from scratch to serve enterprises with reliability, transparency, and performance, Business Insider reports.
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Founded in 2017, AI21 Labs was created by three tech veterans: Amnon Shashua, the founder of Mobileye, Yoav Shoham, a Stanford professor and former principal scientist at Google, and Ori Goshen, a serial entrepreneur known for launching CrowdX. According to Business Insider, the trio has focused on designing large language models for real-world business use that outperform in high-stakes and logic-intensive environments where hallucinations are a costly liability.
While most AI startups rely on foundation models created by OpenAI, Anthropic, AI21 Labs develops its own. These models, including the Jurassic-1 family and Jamba series, are purpose-built to meet the rigorous demands of enterprise clients, as detailed on the company’s website.
According to The New Stack, AI21 Labs' base model, Jurassic-1, contains up to 178 billion parameters, making it one of the largest LLMs on the market. It slightly surpasses OpenAI's GPT-3 Davinci model, which holds 175 billion parameters. Jurassic-1 is designed for high-performance use cases, with optimization for long-context comprehension and processing speed.
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The company's AI21 Studio allows developers to embed these models into applications for content generation, summarization, translation, and more. Enterprise customers include Capgemini, Fnac, and Wix (NASDAQ:WIX), which reportedly run hundreds of internal AI tools powered by AI21 infrastructure, Business Insider reports.
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