ONNX Runtime
Don’t want to install ONNX Runtime? 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.
Microsoft's cross-platform inference runtime for ONNX-exported Whisper.
Best for production inference of Whisper / Wav2Vec2 / Parakeet across hardware. Pricing: free.
What it is
The standard ONNX runtime — supports CPU, CUDA, DirectML, CoreML, NNAPI. MIT.
Watch out for: Whisper-specific decoders require custom export pipelines.
Install / use
pip install onnxruntimeWhat people actually do with ONNX Runtime-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 Runtime vs Whipscribe
| Feature | ONNX Runtime | 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, Android, iOS, Web | Web, API, MCP |
Alternatives to ONNX Runtime
Frequently asked about ONNX Runtime
Is ONNX Runtime free?
Yes. ONNX Runtime is free and open source.
Does ONNX Runtime work on Mac, Windows and Linux?
ONNX Runtime runs on Linux, macOS, Windows, Android, iOS and Web.
How do I install ONNX Runtime?
With pip: `pip install onnxruntime`. You need Python and, for most audio tools, ffmpeg on your PATH first.
How many languages does ONNX Runtime support?
ONNX Runtime 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 Runtime identify different speakers?
No. ONNX Runtime 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 Runtime give word-level timestamps?
Yes — ONNX Runtime produces timing per word, which is what subtitle cues and clip boundaries need.
Can ONNX Runtime transcribe live audio?
No — ONNX Runtime works on finished files, not a live stream.
Is ONNX Runtime HIPAA compliant?
ONNX Runtime 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 Runtime?
Whisper-specific decoders require custom export pipelines.
Who is ONNX Runtime best for?
Production inference of Whisper / Wav2Vec2 / Parakeet across hardware.
Does ONNX Runtime run offline?
ONNX Runtime runs on your own machine — it is open source, so nothing leaves the computer unless you configure it to.
Where is the ONNX Runtime source code?
On GitHub at github.com/microsoft/onnxruntime. It is maintained by Microsoft.
What kind of tool is ONNX Runtime?
In this directory ONNX Runtime is filed under framework, edge, onnx as a open-source tool.
What are the alternatives to ONNX Runtime?
There is a side-by-side page at /tools/onnx-runtime-alternatives comparing ONNX Runtime with the closest tools in the same category on price, platform and features.
Can I automate ONNX Runtime-style transcription without running it myself?
Yes. If what you want is transcripts rather than the tool itself, Whipscribe does the same job as a hosted API: submit a file or URL, poll a job id, pull the result as txt, json, srt, vtt or docx. $0.012 a minute — about $0.72 an audio hour — bought as credits that never expire. The automation recipes on this site show it wired to Drive folders, Zoom recordings, S3 buckets and no-code platforms.
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.
Transcribe your recordings
Running ONNX Runtime yourself? Send the same file here and compare the transcript. Transcribe any language, any recording · Transcription services from $0.29 an hour · Transcribe from any meeting or recording platform · How to transcribe, step by step
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Have the recording already?
Skip the setup and send the file or the link: see MP3 to text for long recordings, how to transcribe a podcast and an SRT subtitle file from any recording.
Comparing tools before you pay?
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