With AssemblyAI's industry-leading Speech AI models, transcribe speech to text and extract insights from your voice data.

Fast, accurate speech-to-text API to transcribe audio with AssemblyAI's leading speech recognition models.

Find AssemblyAI pricing information. Explore pay-as-you-go pricing by product. Try our API for free or contact sales about a custom plan.

We’re all on the same team – AssemblyAI. Regardless of the department or team we work in, we recognize that as a startup, individual and team success comes as a byproduct of …

With AssemblyAI's industry-leading Speech AI models, transcribe speech to text and extract insights from your voice data.

AssemblyAI provides official SDKs for popular programming languages, that make it simpler to interact with the API. To get started using the SDKs, see the following resources:

Build with our leading Speech AI models.

Build new experiences and products with our leading Speech AI models, including ASR and Audio Intelligence, that unlock insights from your voice data.

More on Universal 2 Research Universal-2 is the latest milestone in AssemblyAI's mission to push the boundaries of Speech AI technology and unlock the full potential of voice data for all.

Explore AssemblyAI's models vs. other models (including Google, Whisper, etc.) and see the performance of Speech AI models across key metrics like accuracy, word error rate, and more.