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Blaxel
Blaxel is a San Francisco cloud infrastructure startup building what its founders call the 'AWS for AI agents.' Its platform runs autonomous agents on isolated microVMs that resume in roughly 25 milliseconds, alongside a distributed agent filesystem, programmable networking, and an AI gateway for model routing and failover. Founded in 2024 by a six-person team of repeat cloud builders who previously sold a data platform to OVHcloud, Blaxel went through Y Combinator's Spring 2025 (X25) batch and raised a $7.3M seed round led by First Round Capital. It already processes millions of agent requests daily across 16 regions.