OpenAI Whisper
Open-source multilingual ASR model known for robustness on diverse audio and accents.
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IBM Watson Speech to Text
Speech recognition for applications and contact centers with security and deployment flexibility.
Microsoft Azure Speech to Text
Enterprise speech-to-text as part of Azure AI Speech, supporting streaming, batch, and customization.
Amazon Transcribe
Managed ASR service on AWS with streaming and async transcription, custom vocabulary, and domain tunes.
Google Cloud Speech-to-Text
Cloud API for real-time and batch transcription with wide language coverage and enterprise integrations.