OpenRouter model
Sesame: 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...
- Provider
- OpenRouter
- Availability
- Available
- Model ID
- sesame/csm-1b
- Snapshot
- 2026-08-28
Sesame: CSM 1B model overview
Sesame: CSM 1B is listed in the public Swarm catalog through OpenRouter. This page summarizes the verified catalog fields used by Swarm without claiming real-time access for every provider account.
- Provider
- OpenRouter
- Family
- OpenRouter
- Context window
- 4.1K tokens
- Thinking support
- Not supported
- Availability status
- Available
- Catalog ID
- openrouter/sesame/csm-1b
Public catalog snapshot. Catalog availability is not a real-time provider status or an access guarantee.