Voice and AI

The model, the hearing and the voice behind an agent, and what they cost.

• Voice and AI overviewThe model, hearing and voice behind an agent, which ones you can choose, and what you do and do not need to bring yourself.
• Language modelsChoose the model that writes your agent's replies, set its temperature, and understand speed, language fit and cost.
• Hearing (speech to text)The four hearing options, what each is best at, which languages they support, and how to choose one.
• Voices (text to speech)Choose Cartesia, ElevenLabs or OpenAI as your agent's voice, pick a voice, and add one by its ID.
• CostsHow the per-minute estimate is worked out, how each call's real cost is recorded, and where to see both.