Unverified50% confidenceFactExact time
Vapi works like this: after receiving an incoming or outgoing call request, it converts the candidate's speech into text in real time, hands it to the underlying LLM to generate a reply, and then synthesizes speech to play back to the other party.
1
Sources
50%
Confidence
Long-term
Relevance
10/12/2026
First Seen
Sources
Related Entities
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