SpeechFlow is an AI-powered speech-to-text API that transcribes audio and video into text with high accuracy. It supports 14 languages and takes uploads as local files or YouTube links.

14 languages: including English, French, German, Japanese, and Mandarin.
Fast turnaround: up to one hour of audio processed in less than three minutes, with time-aligned transcription.
Simple API: transcribes via a short code snippet, with cloud and on-prem deployment options.
Free tier: 10 minutes of online transcription plus 0.5 hours of API transcription per month, no credit card required.

Paid plans add capacity and higher concurrency for heavier workloads. It suits developers adding transcription to an app without running their own models.