What is AssemblyAI?
AssemblyAI is an audio & voice tool and free to start, with paid upgrades. Speech-to-text API with diarisation, sentiment and summarisation built in. Recently added — not scored yet.
AssemblyAI at a glance
| Category | Audio & Voice |
|---|---|
| Pricing | Free plan |
| Free version | ✓ Yes |
| Open source | No |
| Our score | NEW — not scored yet |
| Partner deal | — |
Why we rate AssemblyAI
- Has a genuinely free version — no credit card to start.
- Actively maintained and regularly updated.
- A solid pick for audio & voice work.
AssemblyAI FAQ
Is AssemblyAI free?
AssemblyAI has a free plan you can use without paying; paid tiers unlock more.
Is AssemblyAI open source?
No, AssemblyAI is not open source. If you want an open-source option, browse the alternatives below.
What are the best AssemblyAI alternatives?
We track 22 other audio & voice tools you can compare with AssemblyAI in the directory.
How do we rate AssemblyAI?
AssemblyAI is a recent addition and has not been through our hands-on scoring yet, so it carries a NEW tag instead of a score. The facts below come from the vendor; we score tools once we have tested them ourselves, and a score is never bought.