CSM 1B
Rank #395
sesame
sesame/csm-1b
Usage data date 2026-07-27 · updated daily
Usage and specs
Daily rank#395
Daily tokens12.4K
Daily requests713
Daily change
−31.6%
Context window4.1K
What is CSM 1B
CSM 1B is a conversational speech model from Sesame. It accepts text input and produces English speech output, with voice options spanning conversational and read-speech styles. At 1B parameters, it is suited for dialogue-oriented applications such as voice assistants and interactive agents.