Speech-to-text API with audio intelligence
Category: Voice & Speech. Pricing: priced per the vendor's website. Last modified: 2026-09-07.
An API platform for transcribing audio and extracting structured information from speech.
Not editorially tested: One AI Guide has not published a complete hands-on test record for this tool.
Published by LUMIVEX for One AI Guide.
Editorial lead: Said El Moussaoui. Our methodology is published at /how-we-rate.
Official vendor website: see the vendor link below.
AssemblyAI is a voice & speech tool. Speech-to-text API with audio intelligence.
The One AI Guide catalog currently records AssemblyAI as priced per the vendor's website. This is a directory summary, not a current vendor quote; always check the vendor's site for the latest plans before signing up.
The catalog does not currently record AssemblyAI as Free or Freemium. That is not proof that no trial or limited offer exists; check the vendor's site for current options.
Common use cases include Building transcription features, Analyzing calls, and Generating captions.
The One AI Guide catalog currently highlights these strengths: Developer API; Transcription and analysis tools.