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Sesame: CSM 1B

sesame/csm-1b

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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.

Modalities

Price

$7per 1M characters

Context

4K

Weekly Rank

#411on OpenRouter

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Providers for CSM 1B

OpenRouter routes requests to the best providers that are able to handle your prompt size and parameters, with fallbacks to maximize uptime.