ONNX
Don’t want to install ONNX? 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.
Open exchange format used by every ASR optimizer.
Best for lingua franca between ASR training stacks and runtime libraries. Pricing: free.
What it is
The Open Neural Network Exchange format. Apache-2.0.
Watch out for: Specification only — pair with a runtime.
Install / use
pip install onnxWhat people actually do with ONNX-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
ONNX vs Whipscribe
| Feature | ONNX | 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, macOS, Windows | Web, API, MCP |
Alternatives to ONNX
Frequently asked about ONNX
Is ONNX free?
Yes. ONNX is free and open source.
Does ONNX work on Mac, Windows and Linux?
ONNX runs on Linux, macOS and Windows.
How do I install ONNX?
With pip: `pip install onnx`. You need Python and, for most audio tools, ffmpeg on your PATH first.
How many languages does ONNX support?
ONNX lists 99 languages. That is the Whisper-family multilingual set, so quality varies by language — English and the large European languages are strongest.
Does ONNX identify different speakers?
No. ONNX 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 ONNX give word-level timestamps?
Yes — ONNX produces timing per word, which is what subtitle cues and clip boundaries need.
Can ONNX transcribe live audio?
No — ONNX works on finished files, not a live stream.
Is ONNX HIPAA compliant?
ONNX 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 ONNX?
Specification only — pair with a runtime.
Who is ONNX best for?
Lingua franca between ASR training stacks and runtime libraries.
Does ONNX run offline?
ONNX runs on your own machine — it is open source, so nothing leaves the computer unless you configure it to.
Can I use ONNX in the browser?
No — ONNX is a Linux, macOS and Windows application, not a web app. You install it rather than sign in to it.
Where is the ONNX source code?
On GitHub at github.com/onnx/onnx. It is maintained by Linux Foundation.
What kind of tool is ONNX?
In this directory ONNX is filed under framework, format, standard as a open-source tool.
What are the alternatives to ONNX?
There is a side-by-side page at /tools/onnx-alternatives comparing ONNX 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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