cuDNN Frontend

by NVIDIA

C++ / Python API for cuDNN — speeds up custom ASR kernels.

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TL;DR

Best for fused attention + convolution ops in Conformer/Whisper engines. Pricing: free.

Category
Open source
License
Apache-2.0
Stars
★ 901
Last push
2026-08-08
Pricing
free
Platforms
Linux

What it is

A modern wrapper around the cuDNN library. MIT.

Best for: Fused attention + convolution ops in Conformer/Whisper engines.
Watch out for: Low-level; expect to read examples.

Install / use

git clone https://github.com/NVIDIA/cudnn-frontend

Features

Speaker diarizationNo
Word-level timestampsYes
Streaming / real-timeNo
Languages supported99
HIPAA eligibleNo

Links

GitHub repo ↗

cuDNN Frontend vs Whipscribe

FeaturecuDNN FrontendWhipscribe
CategoryOpen sourceTranscription APIs
Pricingfree$4–$24 one-time packs (credits never expire) · $2 single unlock · 60 min free on signup
Speaker diarizationNoYes
Word timestampsYesYes
StreamingNoNo
Languages9999
PlatformsLinuxWeb, API, MCP

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