100ms is a scalable and reliable alternative for live video solutions, offering feature-rich SDKs for real-time video conferencing and interactive live streaming. It provides a lightweight package with features like live streaming, chat, virtual background, and more. Compared to Twilio and Agora, 100ms supports up to 200X participants in a single room, allows seamless transition from conferencing to live streaming, and is built for developers with quick-start starter kits. It also offers unique features like Roles for managing permissions and Peer Metadata for persistent state of peers.