ESPnet

by ESPnet community

End-to-end speech toolkit: ASR, TTS, ST, speaker, separation.

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TL;DR

Best for reproducing SOTA results on academic benchmarks; recipe-driven workflows. Pricing: free.

Category
Open source
License
Apache-2.0
Stars
★ 9.9k
Last push
2026-08-05
Pricing
free
Platforms
Linux, macOS

What it is

One of the longest-running end-to-end speech toolkits. Ships pre-trained Conformer, Branchformer, E-Branchformer, and Squeezeformer. Apache-2.0.

Best for: Reproducing SOTA results on academic benchmarks; recipe-driven workflows.
Watch out for: Steep learning curve; shell-script recipes alongside Python.

Install / use

pip install espnet

Features

Speaker diarizationYes
Word-level timestampsYes
Streaming / real-timeNo
Languages supported50
HIPAA eligibleNo

Links

GitHub repo ↗

ESPnet vs Whipscribe

FeatureESPnetWhipscribe
CategoryOpen sourceTranscription APIs
Pricingfree$4–$24 one-time packs (credits never expire) · $2 single unlock · 60 min free on signup
Speaker diarizationYesYes
Word timestampsYesYes
StreamingNoNo
Languages5099
PlatformsLinux, macOSWeb, API, MCP

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