
Otter.ai
Notta.ai
Fathom
tl;dv
Descript
Granola.so
Tactiq
Record, transcribe and search your calls

Managed Hosting for developers, entrepreneurs, and businesses like yours
Which is more popular?
Based on our record, Fireflies.ai seems to be more popular. It has been mentioned 25 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | fireflies.ai | opalstack.com |
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| Company | Startup from the United States · 50 - 99 employees · 2016 | — |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
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An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Fireflies.ai and Opalstack. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Both tools use advanced AI for transcription. Fireflies.ai uses their proprietary models, while FifthDraft uses OpenAI's Whisper. In practice, both deliver accurate transcriptions for clear audio with minimal...
Fireflies.ai helps you get more out of meetings. You can use it to record, write down, and sum up meetings on Zoom and Teams. Fireflies.ai gives you feedback and helps you remember important choices. It is good at...
Fireflies.ai is an AI-powered meeting assistant app that empowers users to transcribe meetings with ease. In addition to its transcription capabilities, Fireflies can be leveraged to derive meeting insights, making it...
We have no reviews of Opalstack yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Dedicated Assistants: Tools like Otter.ai or Fireflies.ai act like an extra participant in the meeting. They join the call, record the audio, transcribe it, and, crucially, identify who said what. This is invaluable for follow-up. - Source: dev.to / 7 months ago
Note taking apps like fireflies.ai have fairly accurate notes across multiple languages with user detection in conversations and help improve user experience and recall for conversations. - Source: dev.to / 9 months ago
IMO "Agents" are a marketing term, they are simply software that use LLMs somewhere in the backend. Often daisy chained into a series of operations that may involve additional LLM calls or calls to other internal/external services. One... - Source: Hacker News / over 1 year ago
Tracking Opalstack since Sep 2023.
When comparing Fireflies.ai and Opalstack, you can also consider the following products.

Your AI meeting assistant that takes live notes and generates summaries and other insights using Meeting GenAI.
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Automatically turn audio into editable, searchable and sharable text. Notta helps unleash the power of voice and brings your productivity to the next level.
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Financial intelligence and performance reporting
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📆 Add tl;dv to any meeting from any provider 🎥 Capture meeting moments on the fly --> Save everyone's time --> Keep colleagues up to date
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Text-based audio editor and automated transcription
Compare Descript to Fireflies.ai or Opalstack:

Granola takes your raw meeting notes and makes them awesome
Compare Granola.so to Fireflies.ai or Opalstack: