Sherpa

by k2-fsa

Don’t want to install Sherpa? Drop the file here.

The first 20 minutes of any recording are transcribed free: a recording up to 20 minutes transcribes in full, a longer one is previewed, and a pack from $6 (500 minutes) transcribes the rest and opens every export, and credits never expire.

Production server for k2/icefall + Whisper models (PyTorch).

Linux, macOS, Docker  ·  free

TL;DR

Best for gPU streaming server using PyTorch icefall checkpoints. Pricing: free.

Category
Open source
License
Apache-2.0
Stars
★ 971
Last push
2026-08-08
Pricing
free
Platforms
Linux, macOS, Docker

What it is

Reference deployment runtime for icefall models. Apache-2.0.

Best for: GPU streaming server using PyTorch icefall checkpoints.
Watch out for: Replaced for most edge cases by sherpa-onnx / sherpa-ncnn.

Install / use

pip install k2-sherpa

What people actually do with Sherpa-style transcription

The tool is the means. These are the jobs — each one priced at published rates, each one wired up on its own page.

Wire it into Amazon S3n8nMake.comGoogle DriveZapierSlack

Features

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

Links

GitHub repo ↗

Sherpa vs Whipscribe

FeatureSherpaWhipscribe
CategoryOpen sourceTranscription APIs
Pricingfree$6–$24 one-time packs (credits never expire) · first 20 minutes free
Speaker identificationNoNamed in the summary, key quotes and chapters
Word timestampsYesYes
StreamingYesNo
Languages4099
PlatformsLinux, macOS, DockerWeb, API, MCP

Alternatives to Sherpa

Frequently asked about Sherpa

Is Sherpa free?

Yes. Sherpa is free and open source.

Does Sherpa work on Mac, Windows and Linux?

Sherpa runs on Linux, macOS and Docker.

How do I install Sherpa?

With pip: `pip install k2-sherpa`. You need Python and, for most audio tools, ffmpeg on your PATH first.

How many languages does Sherpa support?

Sherpa lists 40 languages.

Does Sherpa identify different speakers?

No. Sherpa does not label speakers; a conversation comes back as one continuous text. If you need speaker labels, that is a separate tool or a different service.

Does Sherpa give word-level timestamps?

Yes — Sherpa produces timing per word, which is what subtitle cues and clip boundaries need.

Can Sherpa transcribe live audio?

Yes — Sherpa supports streaming / live input, not just finished files.

Is Sherpa HIPAA compliant?

Sherpa does not claim HIPAA compliance. For PHI, run it on infrastructure you control or choose a service that will sign a BAA.

What are the limitations of Sherpa?

Replaced for most edge cases by sherpa-onnx / sherpa-ncnn.

Who is Sherpa best for?

GPU streaming server using PyTorch icefall checkpoints.

Does Sherpa run offline?

Sherpa runs on your own machine — it is open source, so nothing leaves the computer unless you configure it to.

Can I use Sherpa in the browser?

No — Sherpa is a Linux, macOS and Docker application, not a web app. You install it rather than sign in to it.

Where is the Sherpa source code?

On GitHub at github.com/k2-fsa/sherpa. It is maintained by k2-fsa.

What kind of tool is Sherpa?

In this directory Sherpa is filed under toolkit, server, streaming as a open-source tool.

What are the alternatives to Sherpa?

There is a side-by-side page at /tools/sherpa-alternatives comparing Sherpa with the closest tools in the same category on price, platform and features.

Whipscribe is a hosted transcription 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.

Transcribe your recordings

Explore

Have the recording already?

Skip the setup and send the file or the link: see how to transcribe an MP3 of any length, a podcast episode as text from its link and an SRT subtitle file from any recording.

Looking at paid options?

Before you choose a transcription tool or service: see how the best transcription services compare, the cheapest way to transcribe an hour of audio and our transcription service with prices and turnaround.