Piper

by Rhasspy

Fast neural TTS for Home Assistant — pairs with Whisper.

TL;DR

Fast neural TTS for Home Assistant — pairs with Whisper.

Best for on-device TTS to read back transcripts or LLM replies. Pricing: free.

Category
Open source
License
Stars
Last push
Pricing
free
Platforms
Linux, macOS, Windows, Raspberry Pi

What it is

A blazing-fast neural TTS by Rhasspy. MIT.

Best for: On-device TTS to read back transcripts or LLM replies.
Watch out for: TTS only.

Install / use

pip install piper-tts

Features

Speaker diarizationNo
Word-level timestampsYes
Streaming / real-timeNo
Languages supported40
HIPAA eligibleNo

Piper vs Whipscribe

FeaturePiperWhipscribe
CategoryOpen sourceTranscription APIs
Pricingfreefree beta
Speaker diarizationNoYes
Word timestampsYesYes
StreamingNoNo
Languages4099
PlatformsLinux, macOS, Windows, Raspberry PiWeb, API, MCP

Alternatives to Piper

Whipscribe is a managed faster-whisper + whisperX service. If you want transcripts without running infrastructure, paste a URL or drop a file in the form below — you'll have a transcript in seconds.