CUTLASS
Don’t want to install CUTLASS? 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.
High-performance CUDA matrix kernels used by Whisper engines.
Best for custom Whisper / Conformer kernels with sparsity or FP8. Pricing: free.
What it is
NVIDIA's open template library for high-performance GEMM. BSD-3-Clause.
Watch out for: C++/CUDA expertise required.
Install / use
git clone https://github.com/NVIDIA/cutlassWhat people actually do with CUTLASS-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.
Features
| Speaker diarization | No |
| Word-level timestamps | Yes |
| Streaming / real-time | No |
| Languages supported | 99 |
| HIPAA eligible | No |
Links
CUTLASS vs Whipscribe
| Feature | CUTLASS | Whipscribe |
|---|---|---|
| Category | Open source | Transcription APIs |
| Pricing | free | $6–$24 one-time packs (credits never expire) · first 20 minutes free |
| Speaker identification | No | Named in the summary, key quotes and chapters |
| Word timestamps | Yes | Yes |
| Streaming | No | No |
| Languages | 99 | 99 |
| Platforms | Linux | Web, API, MCP |
Alternatives to CUTLASS
Frequently asked about CUTLASS
Is CUTLASS free?
Yes. CUTLASS is free and open source.
Does CUTLASS work on Mac, Windows and Linux?
CUTLASS runs on Linux. It is not listed for other platforms; check the vendor for anything beyond Linux.
How do I install CUTLASS?
Clone and run it from source: `git clone https://github.com/NVIDIA/cutlass`. Expect to install its dependencies yourself — the README has the exact steps per OS.
How many languages does CUTLASS support?
CUTLASS lists 99 languages. That is the Whisper-family multilingual set, so quality varies by language — English and the large European languages are strongest.
Does CUTLASS identify different speakers?
No. CUTLASS 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 CUTLASS give word-level timestamps?
Yes — CUTLASS produces timing per word, which is what subtitle cues and clip boundaries need.
Can CUTLASS transcribe live audio?
No — CUTLASS works on finished files, not a live stream.
Is CUTLASS HIPAA compliant?
CUTLASS 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 CUTLASS?
C++/CUDA expertise required.
Who is CUTLASS best for?
Custom Whisper / Conformer kernels with sparsity or FP8.
Does CUTLASS run offline?
CUTLASS runs on your own machine — it is open source, so nothing leaves the computer unless you configure it to.
Can I use CUTLASS in the browser?
No — CUTLASS is a Linux application, not a web app. You install it rather than sign in to it.
Where is the CUTLASS source code?
On GitHub at github.com/NVIDIA/cutlass. It is maintained by NVIDIA.
What kind of tool is CUTLASS?
In this directory CUTLASS is filed under framework, accelerator, nvidia as a open-source tool.
What are the alternatives to CUTLASS?
There is a side-by-side page at /tools/cutlass-alternatives comparing CUTLASS 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.
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