Rev.ai

Rev.ai is an enterprise-grade AI speech recognition API that provides accurate, low-latency transcription, captioning, and natural language processing for audio and video content.

It offers real-time streaming transcription, asynchronous batch processing, speaker diarization, custom vocabulary, and sentiment analysis. The API supports 36 languages and integrates easily with media workflows. Rev.ai powers transcription for media companies, call centers, and app developers.

Rev.ai pricing starts at $0.02/minute for async transcription. Best for developers, media companies, and enterprises needing scalable speech-to-text.