Precise Speaker Identification
Unlock the full power of your audio content with industry-leading speaker diarization. Identify speakers to create structured, speaker-labeled transcripts that bring clarity to even the most complex conversations.


Get started with less than 10 lines of code
Simply enable Speaker Diarization in our API, and receive a detailed transcript with a list of utterances.


Improve transcription quality and readability
Reduce speaker misattribution and transcription errors, enabling cleaner data for NLP tasks and enhancing user experience in speech-to-text applications.
Build confidently with accurate, multilingual speaker diarization

Support speaker diarization in 16 languages, enabling multilingual audio analysis and expanding your product's global market potential.

Enhance conversation analysis and speaker-dependent AI models with industry-leading speaker count accuracy. Our models achieve a 2.9% error rate, outperforming competitors in identifying the number of speakers.
Make every voice count
Improve the readability of your transcriptions | Unlock call center insights | Create a better search experience | Assess communication patterns |
Optimize short-form content generation | Enhance automated dubbing precision | Implement intelligent camera focus | Determine talk time for sales teams |
Join 200K+ developers building new experiences with voice data

"We have had a phenomenal experience so far. The integration was simple and easy for developers to get started. The accuracy is better than any other tools in the market (and we have tried them all). Highly recommend!"

"Works incredibly well out of the box. Allowed us to focus on product instead of infrastructure. As a result, we were able to bring a transformative new product to market in half the time."

"The accuracy was strong, but the great documentation and unique models like Auto Chapters and Sentiment Analysis is what really won us over."

"Partnering with AssemblyAI has made it easy for us to deliver world-class voice intelligence powered by market-leading speech-to-text technology."
Turn voice data into unparalleled product experiences
Partner with the leader in Speech AI to build powerful products with breakthrough industry impact.
