AssemblyAI

Features
- Converts recordings and live streams to text via a speech-to-text API
- Supports over 99 languages
- Offers sentiment analysis, topic detection and speaker recognition
- Summarizes audio automatically
- Filters inappropriate words and sensitive information
- Works in real-time streaming or asynchronous mode
- Complies with GDPR, PCI-DSS and SOC 2 with data encryption
- Provides documentation and ready-made SDKs
Pricing Details
Pay-As-You-Go is a pay-as-you-go system with no fixed subscription, with discounts for high usage. The first time you sign up, you get a free $50 credit, enough to process about 185 hours of recording or 333 hours of live streaming, with the ability to test up to 5 live streams and 5 recorded audio files at a time. Paid pricing includes a speech-to-text service: Nano Speech-to-Text at $0.12/hour, Async Speech-to-Text at $0.37/hour, and Real-Time Streaming at $0.47/hour. Voice Analytics includes: Entity Discovery at $0.08/hour, Topic Discovery at $0.15/hour, Sentiment Analysis at $0.02/hour, and Summarization at $0.03/hour.