Deepgram
An API platform for speech recognition and synthesis and for building voice applications and AI agents.
Description
Deepgram provides speech APIs for speech-to-text, text-to-speech, and building voice agents.
The platform can connect speech recognition, a language model, business logic, and speech synthesis in a voice application. Its Voice Agent API supports conversational flows and function calling.
Access is provided through an API and billed by usage. Check Deepgram’s site for current prices and available models.
Sources: https://deepgram.com/ (official sources; reviewed 2026-11-01).