Baseten

Baseten is a high-performance inference platform for deploying and serving open-source, custom, and fine-tuned AI models in production, offering dedicated deployments, pre-optimized Model APIs, and training via the Loops SDK. It runs its own inference stack with runtime optimizations, custom kernels, and advanced caching on top of multi-cloud GPU capacity, routing workloads across regions and providers with fast cold starts and 99.99% uptime. It also provides open-source tooling (Truss for packaging, Chains for compound AI orchestration), tuned embeddings inference, and flexible deployment options including managed cloud and self-hosted VPC.