Head-to-head comparison
OpenAI Whisper API vs Speech Notes
Two of the transcription tools podcasters reach for. Here's how they differ on pricing, features, audience, and the trade-offs that actually matter day-to-day.
Batch transcription powered by the open-source model that reset the bar.
Best for: Developers wanting raw transcription
Browser dictation tool, no signup
Best for: Anyone who needs to dictate notes into a browser without installing software.
At a glance
The honest trade-offs
OpenAI Whisper API
Pros
- Tops accuracy benchmarks for many languages
- Cheap per-minute pricing
- 99+ languages with auto-detect
Watch-outs
- API only, no UI provided
- 25MB direct upload file limit
- Streaming needs newer GPT-Realtime
Speech Notes
Pros
- Zero signup, opens instantly
- Voice commands for punctuation
- Free with optional one-time upgrade
Watch-outs
- Live dictation only, no file upload
- Chrome browser only
- Accuracy is whatever the Web Speech API gives
Which one should you pick?
Pick OpenAI Whisper API if
You’re building around developers wanting raw transcription. Raw Whisper through OpenAI is still one of the cheapest ways to get high-quality transcription — $0.006/min for Whisper or gpt-4o-transcribe, and $0.
Pick Speech Notes if
You’re building around anyone who needs to dictate notes into a browser without installing software.. Speechnotes is a Chrome dictation pad that has been free and useful since 2015. It rides on the browser's Web Speech API, so accuracy follows whatever Chrome's underlying model is doing.
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Frequently asked
What does OpenAI Whisper API do better than Speech Notes?
OpenAI Whisper API's standout is "Tops accuracy benchmarks for many languages". Speech Notes doesn't make that promise — it leans into "Zero signup, opens instantly" instead. If the first sentence describes your workflow, pick OpenAI Whisper API; if the second does, pick Speech Notes.
What are the trade-offs?
OpenAI Whisper API: api only, no ui provided. Speech Notes: live dictation only, no file upload. Whether either matters depends entirely on what you actually need — neither is a deal-breaker by itself.
Do they support the same platforms?
Speech Notes works on Android where OpenAI Whisper API doesn't. If you're on a specific OS or device, that may decide for you.
Can I use OpenAI Whisper API and Speech Notes together?
Both are transcription tools so most teams pick one. Some workflows do combine them — for example, using OpenAI Whisper API for one show or episode type and Speech Notes for another. Worth trying both free tiers before committing.