Audio tools / AssemblyAI
AssemblyAI
With AssemblyAI's industry-leading Speech AI models, transcribe speech to text and extract insights from your voice data.
Where it stands
4.2 / 5
Signals score
Not a hands-on test
Based on 2 of 3 signals
- Website health5 / 5 · weight 50%
Measured from the tool's public website
- Facts stated4.2 / 5 · weight 30%
How many of the five facts the tool's own pages state
Built only from what we can measure or quote without using the tool. How ranking works
Rank by signals
We have not run our own hands-on test on AssemblyAI yet. Facts checked 2026-11-01. How tests work
Disclosure: agathox makes some of the tools listed here. They are labelled and scored by the same method as every other tool.
Should you use AssemblyAI?
A quick read built only from what the tool's own pages state and from our tests, not from opinion. Facts checked 2026-11-01.
A good fit if…
- You want a free option. It states: “$50 in free credits at signup, no credit card required. Streaming is limited to 5 new streams per minute on the free tier.”
Check first
- It needs an account.
Does: Transcribe audio
Measured signals
5 / 5 · measured 2026-11-08Read automatically from AssemblyAI's public website: how reliable, secure, private and open the site is. This is not a test of how well the tool does its job. How this is measured
- Reliability5 / 5The page answered and finished downloading in 182 ms.
- Security5 / 55 of 5 protective headers set (strict-transport-security, content-security-policy, x-content-type-options, referrer-policy, x-frame-options).
- Privacy5 / 5No third-party tracking services found on the page.
- Transparency5 / 5Links a privacy policy; links a pricing page.
Community feedback
Not enough discussion yet: 1 classified comment from 1 thread. We need at least 12 from 2 threads.
- Positive
“Dylan from AssemblyAI here. We're surprised to see ourselves on HN tonight -- but if you do try out the API I would love to see what you think. If you want to email me at dylan[at]assemblyai.com I can send you the…”
Read in the thread
Threads: AssemblyAI: speech-to-text API (2018, 47 comments)
- Free tier
- $50 in free credits at signup, no credit card required. Streaming is limited to 5 new streams per minute on the free tier.
- Paid plan
- Pay as you go, no subscription tiers listed. Pre-recorded example: $0.21 per hour (Universal-3.5 Pro). Streaming example: $0.45 per hour base (Universal-3.6 Pro Realtime). Text-to-speech: $15 per 1M input characters. Paid raises streaming to 100 new streams per minute. Volume pricing via sales. Currency is shown as $ but not named.
- Signup
- Signup is needed to get the free credits and an API key.
- Watermark
- Not applicable.
- Where files go
- The privacy policy says services are mainly hosted and operated in the United States and data may be transferred to other countries. It does not mention audio and gives no retention period for audio or transcripts; personal data is kept as long as needed for the services or business purposes.
From the tool's own pages, checked 2026-11-01. Sources: Pricing, Privacy policy. Prices and limits change; check the tool before you rely on them.
Get an email if AssemblyAI changes
We check its official pages every week. If they change, we tell you, so you can see if the price or limits moved. No other email, and one click stops it.
Are you the maker of AssemblyAI? Link to this page
Copy this into your site. The link goes to this page, and it does not change any score.
<a href="https://agathox.com/tools/assemblyai">AssemblyAI on agathox: compared and tested</a>
Tasks and scores
- Transcribe audioNot tested yet
Similar tools
Top signals in Transcribe audio.
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