AssemblyAI
Speech-to-text and voice AI APIs for developers, billed per hour of audio, run in its managed cloud or your own environment.
YOUR DEVICE
Not stated. The pages we checked do not say audio stays on the device.
The cloudVendor says audio goes to its servers or a cloud.
THE CLOUD
“Run on our fully managed cloud or inside your own environment.”
assemblyai.com, checked 28 Sep 2026
- Price
- $0.15 /hr per hour, pre-recorded $ as shown
- Free plan
- Yes
- Trial
- Not stated
- Platforms
- API
- Use
- Transcription, Dictation
- Works offline
- Not stated
- Status
- Operating
- Checked
- 28 Sep 2026
Price as shown on the vendor site, 28 Sep 2026. A bare $ was fetched from Canada and may be local currency.
Features, in their words
- Free tier
Free hours of pre-recorded and streaming transcription without a card.
The free tier includes up to 185 hours of pre-recorded transcription and up to 333 hours of streaming transcription.
- Dictation API
A separate Dictation API is listed among products.
Dictation API
- Multichannel billing
Each audio channel is billed separately.
Multichannel audio is billed per channel.
Not verified
on_device
free_trial
currency (prices shown with $ only)
streaming and Dictation API prices (not captured in page text)
free_trial
currency (prices shown with $ only)
streaming and Dictation API prices (not captured in page text)
Sources
Also the cloud
Aqua VoiceDesktop and iPhone dictation appDeepgramSpeech-to-text APIs for developersDescriptAudio and video editor that transcribesDictation.ioFree voice typing page in ChromeDragon Medical OneClinical dictation serviceFireflies.aiMeeting notetakerHappy ScribeTranscription and subtitle platformNottaMeeting recorder and transcription appOtter.aiMeeting notetakerPhilips SpeechLiveDictation and transcription for teamsRevAI and human transcription serviceSonixAutomated transcription serviceSpeechnotesBrowser dictation notepadTrintTranscription workspace for newsroomsWindows voice typingVoice typing built into WindowsWispr FlowDictation app plus meeting notetaker