AssemblyAI
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Accurate transcriptions for accessibility, brand safety, and search
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Easily add captions, highlights, and indexing for your videos
Telephony
Industry leading transcription for call tracking, PII redaction, and visual voicemail
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The #1 AWS Transcribe API Alternative
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The #1 Google Speech API Alternative
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Speech-to-Text Features
Out-of-the-box features for any Speech-to-Text
application, at any scale.
Core Transcription
Out-of-the-box ready features built for any project that requires Speech-to-Text.
Speaker Labels
Customization
Simple transcription add-ons to drive more value out of your media without any extra work.
Speaker Labels
Advanced Security and Reliability
Trusted by thousands of developers around the world, working in highly regulated industries like healthcare and finance.
Speaker Labels
Top-Rated Accuracy
Our API is built using the latest advances in Deep Learning, using cutting edge research from our in-house team of AI researchers.
Core Transcription
Automatic Punctuation and Casing
Casing and punctuation of proper nouns are automatically added to the transcription text, to make transcripts produced by the API more readable.
Core Transcription
All Audio and Video Formats Accepted
Don't worry about file formats or sampling rates, our API supports virtually all audio/video files without any transcoding required.
Core Transcription
Confidence Scores
Get a confidence score for each word in the transcript.
Core Transcription
Word Timings
Word-by-word timestamps across the entire transcript text.
Core Transcription
Speaker Labels
The number of speakers in the audio can be automatically detected, and each word transcribed associated with its speaker. This can help answer the question "Who Spoke When?"
Customization
PII Redaction
Automatically detect and replace sensitive data, like credit card numbers and social security numbers, in the transcription text and source audio.
Customization
Export as Captions (SRT/VTT)
Easily export your transcription in SRT or VTT format, to be plugged into a video player for subtitles and closed captions.
Customization
Automatic Transcript Highlights
The API can automatically detect key phrases and words in your transcription text - very useful for tagging content, and providing a summary of the transcription text.
Customization
Profanity Filtering
Automatically detect and replace profanity in the transcription text.
Customization
Advanced Security & Privacy
We adhere to best-practice guidelines like encryption in transit and at rest.
Advanced Security and Reliability
Data Privacy
We are not in the business of monetizing your data. Files sent to the API for transcription are never stored, and you can request the deletion of transcription text permanently from our database.
Advanced Security and Reliability
99.9%+ Uptime
Thousands of developers and startups trust AssemblyAI to power core features in production, with over 99.9% uptime and transcript completion rate.
Advanced Security and Reliability
24x7 Support
We're here to work with you as much, or as little, as you'd like. Talk to us over live chat, Slack, email, or phone.
Advanced Security and Reliability
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