What is AssemblyAI?

AssemblyAI is a speech AI platform for developers building voice features into products. Its APIs include pre-recorded and realtime speech-to-text, a speech understanding API, a voice agent API, a dictation API and an LLM gateway, with a text-to-speech API listed as coming soon.

Use cases named on the site include voice agents, AI notetakers, call analytics, medical transcription, dictation and AI scribes. The models support many languages, with Universal-2 covering 99 languages, and a self-hosted option is listed as well.

Pricing is pay as you go per hour of audio: the Universal-3.5 Pro model is listed at $0.21 per hour and Universal-2 at $0.15 per hour, with optional add-on features priced separately and custom plans for enterprise.

Frequently Asked Questions

We have no pricing information available now, so please check the AssemblyAI's website.

According to our latest information, this tool does not seem to have a lifetime deal at the moment, unfortunately.