Flashlight

by Meta AI

Meta's C++ ML library — homed wav2letter.

TL;DR

Meta's C++ ML library — homed wav2letter.

Best for researchers needing wav2letter-style fast CNN decoders. Pricing: free.

Category
Open source
License
—
Stars
—
Last push
—
Pricing
free
Platforms
Linux, macOS

What it is

Header-only C++ ML library used by wav2letter++. BSD-3-Clause.

Best for: Researchers needing wav2letter-style fast CNN decoders.
Watch out for: Build pipeline complex; community shrunk after wav2vec.

Install / use

git clone https://github.com/flashlight/flashlight

Features

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

Flashlight vs Whipscribe

FeatureFlashlightWhipscribe
CategoryOpen sourceTranscription APIs
Pricingfreefree beta
Speaker diarizationNoYes
Word timestampsYesYes
StreamingNoNo
Languages4099
PlatformsLinux, macOSWeb, API, MCP

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