AssemblyAI

ActiveAI-native

The best way to build Voice AI apps

Y Combinator S17

What it does

Today’s top Voice AI companies rely on AssemblyAI’s speech-to-text and speech understanding models to launch groundbreaking products fast and to scale with ease.

Its site says now · captured 2026-08-23

AssemblyAI | AI models to transcribe and understand speech

With AssemblyAI

Next to it in AI infra and compute · Speech-to-text and voice understanding API

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