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Emotionally expressive voice AI and speech models.

Price
Sunsetting: TTS and EVI APIs end Nov 13, 2026
Best for
Existing users only: Hume is sunsetting its TTS and EVI APIs (access ends Nov 13, 2026)
Visit Hume AI ↗Pricing source

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Hume AI pricing breakdown

Subscription with included usage + overage

  • Free tier: new accounts start with $20 in credits
  • One subscription covers TTS (Octave), EVI speech-to-speech and Voice features
  • Overage billed after included usage; Hume-managed external LLMs add usage
  • Plan prices no longer shown on hume.ai (pricing page redirects)

Key features

  • Octave speech-language model for expressive TTS
  • Voice design from text prompts; voice cloning from audio
  • 100+ predesigned voices in the Voice Library
  • Account data permanently deleted after Nov 13, 2026

Alternatives in Speech-to-Text & Text-to-Speech

Deepgram logoDeepgramSpeech-to-text→Cartesia logoCartesiaLow-latency realtime text-to-speech models→AssemblyAI logoAssemblyAISpeech-to-text and speech understanding APIs→Speechmatics logoSpeechmaticsSpeech recognition API supporting many languages→Gladia logoGladiaRealtime and async speech-to-text API→Soniox logoSonioxSpeech recognition models and API→
All speech-to-text & text-to-speech →

Related

Hume AI Alternatives After the TTS and EVI Sunset →