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Audio

Rev AI

Speech-to-text API providing accurate transcription, real-time streaming, and custom vocabulary support.

What’s good

  • High accuracy
  • Human+AI options
  • Good API

Where it falls down

  • API-only
  • Per-minute pricing
  • Limited languages

Features

Transcription API

Real-time streaming

Custom vocabulary

Speaker diarization

Alternatives

Others doing the same job

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OpenAI · Audio

Open-source speech recognition model from OpenAI supporting 99 languages with state-of-the-art accuracy.

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Free (open source) / $0.006/min API

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ElevenLabs · Audio

Leading AI voice synthesis platform offering ultra-realistic text-to-speech, voice cloning, and dubbing.

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Speechmatics · Audio

An enterprise speech recognition engine known for accent inclusivity, supporting 50+ languages with real-time and batch transcription APIs.

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Free tier + usage-based

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Sonix · Audio

An automated transcription, translation and subtitling platform with a polished editor, multi-language support and shareable media players.

Pricing

$22/month

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