Directory
Speech-to-text vendors
Every provider is documented with the same sections in the same order: models, features, deployment, accuracy reporting, pricing, support, and pros and cons.
Listing order is editorially maintained and is not a ranking. No placement on this site is paid.
Modulate
Modulate's Velma-2 is an ensemble speech-to-text model built for difficult, real-world audio. This page reviews its architecture, features, accuracy reporting, deployment options, and pricing.
Starting price: $0.03 / hour (batch), $0.06 / hour (streaming)
- Hugging Face WER
- 4.78%
- G2 rating
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Deepgram
Deepgram is an enterprise voice AI platform offering speech-to-text, text-to-speech, and a Voice Agent framework. This page reviews its models, features, pricing, deployment options, and reported accuracy.
Starting price: $0.39–$0.46 / hour (Nova-3, monolingual)
- Hugging Face WER
- 5.26% (Nova-3)
- G2 rating
- —
AssemblyAI
Coming soonAn independent, technical overview of AssemblyAI for speech-to-text: features, pricing, accuracy, deployment, and support.
View profileAWS Transcribe
Coming soonAn independent, technical overview of AWS Transcribe for speech-to-text: features, pricing, accuracy, deployment, and support.
View profileGoogle Speech-to-Text
Coming soonAn independent, technical overview of Google Speech-to-Text for speech-to-text: features, pricing, accuracy, deployment, and support.
View profileOpenAI Whisper / Azure Speech
Coming soonAn independent, technical overview of OpenAI Whisper / Azure Speech for speech-to-text: features, pricing, accuracy, deployment, and support.
View profile