Intel Extension for PyTorch (IPEX)
by Intel
BF16/AMX speedups for Whisper PyTorch inference on Intel CPUs.
Looking at Intel Extension for PyTorch (IPEX)? Try this first.
Drop your audio. Transcript in seconds. First transcript free, then $4 = 300 min
Upstream is archived. Intel Extension for PyTorch (IPEX)’s repository has been set read-only by its owner, so there are no further releases, fixes, or security patches. The last commit landed 2026-03-30. It can still be cloned and run, and forks may be maintained elsewhere. See the repository.
TL;DR
Best for whisper on Xeon servers with AMX or AVX-512. Pricing: free.
Category
Open source
License
Apache-2.0
Stars
★ 2.0k
Last push
2026-03-30
Pricing
free
Platforms
Linux
What it is
Drop-in PyTorch extension delivering Intel-specific optimizations. Apache-2.0.
Best for: Whisper on Xeon servers with AMX or AVX-512.
Watch out for: Most useful only on Intel CPUs with AMX.
Watch out for: Most useful only on Intel CPUs with AMX.
Install / use
pip install intel-extension-for-pytorchFeatures
| Speaker diarization | No |
| Word-level timestamps | Yes |
| Streaming / real-time | No |
| Languages supported | 99 |
| HIPAA eligible | No |
Links
Intel Extension for PyTorch (IPEX) vs Whipscribe
| Feature | Intel Extension for PyTorch (IPEX) | Whipscribe |
|---|---|---|
| Category | Open source | Transcription APIs |
| Pricing | free | $4–$24 one-time packs (credits never expire) · $2 single unlock · 60 min free on signup |
| Speaker diarization | No | Yes |
| Word timestamps | Yes | Yes |
| Streaming | No | No |
| Languages | 99 | 99 |
| Platforms | Linux | Web, API, MCP |
Alternatives to Intel Extension for PyTorch (IPEX)
Whipscribe is a managed faster-whisper + whisperX 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.