Comparison · Speech-to-text and transcription software
AssemblyAI vs Whisper: which is better in 2026?
AssemblyAI81.0#6 in best speech-to-text and transcription software
Whisper88.5#2 in best speech-to-text and transcription softwareWhisper ranks higher in our list of speech-to-text and transcription software (#2 against #6, score 88.5 against 81.0).
- 81.0Editorial score88.5
- 1Platforms1
- NoFree to useYes
- NoOpen sourceYes
Which should you choose?
Choose AssemblyAI if you want
Developers adding transcription to a product.
A speech API with per-hour pricing by model, speaker diarization and a medical mode. It has no end-user app, so it fits developers who build transcription into products.
Choose Whisper if you want
Developers who want local transcription in code.
An open-source MIT model and code that run on your own hardware. It has no interface, so it suits developers rather than everyday dictation.
The main differences
- Only AssemblyAI runs on Web.
- Whisper is open source; AssemblyAI is not.
- Whisper can be used for free; AssemblyAI requires payment.
Side by side
| AssemblyAI | Whisper | |
|---|---|---|
| Score | 81.0 | 88.5 |
| Rank in list | #6 of 10 | #2 of 10 |
| Price | Pay as you goPay as you go per hour of audio by model; the API can be tried for free | Free and open sourceFree and open source; code and model weights under the MIT License |
| Free to use | No | Yes |
| Open source | No | Yes |
| Platforms | WebWeb | Command lineCommand line |
| Made by | Not stated | OpenAI |
| Best use | Speech-to-text API | Developer speech model |
| Offline recognition | Not listed | Yes, runs locally |
| Speaker labels | Yes, speaker diarization | Not listed |
| Real-time output | Not listed | Not listed |
| Best for | Developers adding transcription to a product | Developers who want local transcription in code |
| Strengths |
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| Limits |
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| Links | Visit site | Visit site |
Questions about AssemblyAI vs Whisper
- Is Whisper better than AssemblyAI?
- Whisper ranks higher in our list of speech-to-text and transcription software (#2 against #6, score 88.5 against 81.0). AssemblyAI is best for: developers adding transcription to a product. Whisper is best for: developers who want local transcription in code.
- Which is cheaper, AssemblyAI or Whisper?
- AssemblyAI: Pay as you go per hour of audio by model; the API can be tried for free. Whisper: Free and open source; code and model weights under the MIT License.
- Do AssemblyAI and Whisper run on the same platforms?
- AssemblyAI supports Web. Whisper supports Command line.
Choosing between the two
Learning Center
1:17How to decide between two good optionsSettle a close call by sorting it by how hard it is to undo, setting a deadline, scoring the criteria as a tie-breaker and writing down why you chose.
1:20How to compare products fairly: what to keep in mindDefine the job, cap the must-haves, compare like with like, count total cost over one period and weigh the criteria. Includes a worked example.
