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Serving 2 Million Models Without Melting: Scaling the Hugging Face Hub — Arek Borucki, Hugging Face

AI Engineer · Jul 28, 2026 · Engineering Insights

Hugging Face now hosts 3 million public models, a 150x increase in a few years.

“More than 30% of Fortune 500 use hugging face as a part of AI workflows.”

Hugging Face engineer Arek Borucki outlines the infrastructure evolution required to scale the Hub from 20,000 to 3 million models and 14 million users. The talk covers architectural choices including denormalized MongoDB reads, Apache Lucene full-text search, and Kubernetes autoscaling, with database sharding on the roadmap. The scale figures—150x model growth, 1M datasets, 30%+ Fortune 500 adoption—underscore Hugging Face's dominance as the default open-source AI asset repository.

hugging-face open-source infrastructure scaling model-hub

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