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Every assistant combines three providers: a transcriber (ears), an AI model (brain), and a voice engine (mouth). The combination affects how fast the assistant responds, how natural it sounds, which languages it handles, and what it costs per minute.
Model lists reflect the dashboard at the time of writing. The assistant editor always shows what’s currently available, along with a live cost estimate.

AI models

Set on the Settings tab.

Voice engines

Set on the Voice tab.

Transcribers

Picked automatically from your languages. Override on the Advanced tab.
Always test a new combination with Talk before a campaign. Latency and voice quality are easier to judge by ear than on paper.