Mistral AI, the French artificial intelligence company valued at $13.8 billion, has made its first acquisition by purchasing Koyeb, a Paris-based startup specializing in simplifying AI application deployment and managing underlying infrastructure. This move marks a significant step in Mistral’s strategy to become a full-stack AI player, extending beyond its core strength in developing large language models. Koyeb, founded in 2020 by three former Scaleway employees—Yann Léger, Edouard Bonlieu, and Bastien Chatelard—offers a serverless platform that allows developers to run AI applications without managing servers. The concept has gained traction as AI workloads grow more complex. The company recently launched Koyeb Sandboxes, which provide isolated environments for deploying AI agents, further strengthening its relevance in the AI ecosystem. Prior to the acquisition, Koyeb’s platform already supported deployment of models from Mistral and other providers. Under the deal, Koyeb’s 13 employees and co-founders will join Mistral’s engineering team, led by CTO and co-founder Timothée Lacroix. The platform will continue to operate, but its technology and team will now help accelerate Mistral’s Mistral Compute initiative—a cloud infrastructure offering announced in June 2025. Mistral aims to use Koyeb’s expertise to enable direct deployment of models on clients’ on-premises hardware, improve GPU utilization, and scale AI inference—the process of running trained models to generate responses. Lacroix stated that Koyeb’s product and team will become a “core component” of Mistral Compute, significantly advancing the company’s cloud ambitions. The acquisition comes amid a broader push by Mistral to build European-based AI infrastructure. Just days before the deal, the company announced a $1.4 billion investment in data centers in Sweden, driven by demand for alternatives to U.S.-centric cloud infrastructure and growing interest in sovereign AI. Koyeb had raised $8.6 million in funding, including a $1.6 million pre-seed round in 2020 and a $7 million seed round in 2023 led by Paris-based venture capital firm Serena. Serena’s principal, Floriane de Maupeou, praised the acquisition as a key step in building secure, independent AI infrastructure in Europe. Mistral has also reached a major milestone, reporting $400 million in annual recurring revenue. Going forward, Koyeb will focus exclusively on enterprise clients, and new users will no longer be able to access its Starter tier. While financial details of the acquisition were not disclosed, Mistral’s CEO Arthur Mensch confirmed the company is actively hiring in infrastructure and other areas. Speaking at Stockholm’s Techarena conference, he emphasized Mistral’s identity as a European-based company conducting frontier AI research on the continent.