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AI21 Labs

AI21 Labs is a Tel Aviv–based generative AI company building large-language-model (LLM) platforms and AI writing assistants for enterprises and consumers. Since its founding in 2017, the company has raised $636M across multiple rounds including Series A, B, C, and a $300M Series D round to advance foundation-model research, enterprise AI infrastructure, and language-understanding technologies. AI21 Labs develops LLMs, copilots, and AI productivity tools that support reasoning-based text generation, content assistance, and enterprise-grade natural-language applications.