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App

SpeechFlow

Thai and English speech, written down as it is spoken.

  • Characters correct, Base94.79%
  • Test clips, Common Voice 17.011,042
  • Base response, 4 s clip0.68s
  • From1IC/min

Open SpeechFlowRead the API

Measured on the production service on 28 October 2026.

What it does​

  • Records cleanlyNoise reduction and automatic gain, for meetings and lectures.
  • Writes as you speakThai and English, punctuated and formatted as it goes.
  • SummarisesA long transcript becomes the few lines someone will read.
  • ExportsRecordings and transcripts in several formats, backed up to the cloud.

Measured​

On the 11,042 clips of the Common Voice 17.0 Thai test set, Base gets 94.79% of characters right (character error rate 5.21%). On 300 of those clips Pro measured 5.11% against 5.59% for Base; its correction step helps most on natural speech with names and jargon. A Base answer for a 4 s clip takes 0.68 s through the API. Method and errors: the benchmark (PDF) and the API documentation.

Two models​

  • Base1 IC per minute. Everyday transcription, the fastest.
  • Pro2 IC per minute. Adds a correction step for names and jargon, about 4 s longer.

Get it​

On the web at speechflow.iapp.co.th, on the App Store and on Google Play. For your own software, the same models are the speech-to-text API, billed per minute with no minimum.