Baseten

AI inference infrastructure platform for deploying and serving ML models in production. Provides dedicated deployments, pre-optimized model APIs, and a high-performance inference stack with custom kernels, autoscaling, and multi-cloud support. Customers include Cursor, Clay, Notion, Writer, HeyGen, and hundreds of AI-native companies. In June 2026, Baseten raised a $1.5 billion Series F at up to a $13 billion valuation, led by Altimeter Capital, Conviction, and Spark Capital, with Sands Capital and Wellington Management as co-leads.