Head to head / AI Voice

Amazon Polly vs Hume AI

The verdict
  • Amazon Polly is cheaper per million characters ($16 vs $100).
  • Amazon Polly has a free tier to start; Hume AI does not.
ComparedAmazon PollyHume AI
Cost / 1M chars$16$100
Starting price$3/mo
Free tierYes
Visit Amazon PollyVisit Hume AI

Feature by feature

FeatureAmazon PollyHume AI
Languages30+11+ (Octave)
Voice cloningNoYes (unlimited)
APIYesYes
Commercial useAll usageYes
Styles/emotionsLimitedYes (core strength)
OutputMP3, OGG, PCMMP3/WAV/PCM stream

Amazon Polly

Developers and AWS teams needing cheap, scalable programmatic TTS at high volume.

  • +Very cheap per-character pricing
  • +Rock-solid AWS scale and uptime
  • +SSML, lexicons, speech marks
  • +Generous free tier first year

Hume AI

Developers building emotionally expressive or empathic conversational voice agents.

  • +Best-in-class emotional/expressive prosody
  • +Empathic real-time voice interface (EVI)
  • +Unlimited voice cloning on paid tiers
  • +Commercial license on all plans

Compared on the metrics we track for this category. Prices are the cheapest paid tier. Some links are affiliate links.