Head-to-head comparison
AssemblyAI 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.
Voice AI API that developers reach for when accuracy and uptime actually matter.
Best for: Developer transcription API
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
AssemblyAI
Pros
- High accuracy across 99 languages
- Strong real-time streaming model
- Generous startup program
Watch-outs
- Not a finished app — requires engineering
- Pricing adds up at scale
- Smaller community than Whisper
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 AssemblyAI if
You’re building around developer transcription api. AssemblyAI isn't an app — it's an API. If you're building a product that needs transcription, sentiment analysis, or speaker diarization at scale, it's one of the few options that pairs accuracy with reasonable pricing and serious infrastructure.
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.
Also worth comparing
Or see all AssemblyAI alternatives.
Frequently asked
What does AssemblyAI do better than Speech Notes?
AssemblyAI's standout is "High accuracy across 99 languages". Speech Notes doesn't make that promise — it leans into "Zero signup, opens instantly" instead. If the first sentence describes your workflow, pick AssemblyAI; if the second does, pick Speech Notes.
What are the trade-offs?
AssemblyAI: not a finished app — requires engineering. 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 AssemblyAI doesn't. If you're on a specific OS or device, that may decide for you.
Can I use AssemblyAI and Speech Notes together?
Both are transcription tools so most teams pick one. Some workflows do combine them — for example, using AssemblyAI for one show or episode type and Speech Notes for another. Worth trying both free tiers before committing.