AssemblyAI vs Whisper
AssemblyAI and Whisper are both Audio Generation tools in our directory. This side-by-side comparison covers pricing, user ratings, supported platforms, key features and open-source status so you can decide which one fits your needs.
Side-by-side comparison
| Attribute | AssemblyAI | Whisper |
|---|---|---|
| Vendor | AssemblyAI | OpenAI |
| Rating | ★ 4.5 | ★ 4.7 |
| Pricing | Pay-as-you-go | Free |
| Platforms | API | Self-hosted, API, CLI |
| Key features | Production transcription at scale, Speaker diarization built in, Audio intelligence (sentiment, topics, PII redaction) | 99-language transcription, Speech translation to English, Word-level timestamps |
| Headquarters | San Francisco, USA | San Francisco, USA |
| Founded | 2017 | 2022 |
| Open source | No | Yes |
Key differences
- Whisper has a higher user rating (4.7★ vs 4.5★).
- AssemblyAI is Pay-as-you-go, while Whisper is Free.
- Whisper is open source (its code is public), while AssemblyAI is proprietary.
- AssemblyAI runs on API; Whisper runs on Self-hosted, API, CLI.
Frequently asked questions
Is AssemblyAI or Whisper better?
By user rating, Whisper scores higher (4.7★ vs 4.5★). Both are capable Audio Generation tools, so review the feature comparison for your use case.
Which is cheaper, AssemblyAI or Whisper?
AssemblyAI is Pay-as-you-go and Whisper is Free. Check each product page for current plan details.
Are AssemblyAI and Whisper open source?
Whisper is open source, while AssemblyAI is proprietary.