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Rev.ai

freemium

The World's Most Accurate Speech-To-Text API

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Rev.ai is a developer-first speech-to-text API that provides machine-generated transcripts from pre-recorded files or real-time audio streams. It offers industry-leading accuracy with the lowest word error rate, trained on over 7 million hours of human-verified speech data. The API supports 57+ languages and includes AI insights such as sentiment analysis, topic extraction, summarization, and translation. It features forced alignment for precise word-level timestamps. Security is enterprise-grade with SOC 2, HIPAA, GDPR, and PCI compliance. Developer-friendly integration with comprehensive SDKs and documentation allows setup in under an hour.

Key Benefits

  • Industry-leading accuracy with lowest word error rate
  • Developer-friendly API with comprehensive SDKs
  • Enterprise-grade security (SOC 2, HIPAA, GDPR, PCI compliant)
  • Global language coverage across 57+ languages

starting price

$0.0008 per 10 words/ usage-based(sentiment analysis)

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