Access 1 sesame model through the OpenRouter unified API including CSM 1B. Compare pricing, context windows, benchmarks, and capabilities between different sesame models.
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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.