A collection of 5 posts
Last updated April 2026 — refreshed for current model/tool versions. Two open-source speech models released in early 2025 changed expectations for what runs locally: Nari Labs Dia 1.6B, a dialogue-first TTS that generates expressive multi-speaker audio in a single pass, and Sesame CSM-1B, a conversational speech model built on
Last updated April 2026 — refreshed for current model/tool versions. Orpheus 3B TTS and Sesame CSM 1B remain the two most-discussed open-source speech synthesis models for developers who need either expressive emotional control or contextual conversational realism. This post compares their architectures, benchmark data, hardware requirements, and integration patterns — with
Sesame CSM 1B is a cutting-edge, open-source speech synthesis model optimized for local deployment. It enables lifelike voice generation and cloning with efficient VRAM usage, making it ideal for users with consumer GPUs like the RTX 4060 (8GB VRAM). This guide covers installation, configuration, and advanced usage on Ubuntu systems
Sesame CSM 1B is an open-source speech model designed for lifelike AI-generated voices, enabling offline voice synthesis and cloning on local hardware. This guide provides a step-by-step approach to installing and running Sesame CSM 1B on a Windows machine, covering prerequisites, installation steps, testing, and troubleshooting. What is Sesame CSM
Sesame AI's CSM 1B is a state-of-the-art conversational speech model renowned for its ability to generate human-like voices. This guide provides a step-by-step walkthrough for running Sesame CSM 1B on a Mac, detailing prerequisites, installation procedures, and troubleshooting tips to ensure a seamless experience. What is Sesame CSM