Series B · AI & Machine Learning · London, United Kingdom · Founded 2017 · 501–1000 employees
Fluidstack operates as a high-performance neocloud provider, deploying custom AI data centers and single-tenant GPU supercomputing clusters. The platform provides access to tens of thousands of GPUs including NVIDIA H100 and GB200 systems, alongside proprietary orchestration platforms such as Atlas OS and Lighthouse. The company raised a $1.5 billion Series B funding round at an $18 billion post-money valuation led by Jane Street. It powers model training and inference workloads for major frontier AI laboratories including Anthropic, Meta, Mistral, and Black Forest Labs.
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