Is Fathom or Milvus better?

Neither clearly leads. Fathom starts at Free and Milvus at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.

Which is cheaper, Fathom or Milvus?

Fathom starts at Free and Milvus at Free.

Does Fathom or Milvus run on more platforms?

Fathom runs on Web, Zoom, Google Meet, Microsoft Teams. Milvus runs on Linux, Mac, Windows, Web.

Can I use Fathom for free?

Both have a free tier, so you can try either at no cost before committing.

What is Fathom best used for?

Fathom is most often used for ai-powered meeting transcription and automatic note-taking for sales teams and professionals, meeting analysis with ai scorecards and action item generation that syncs to crms. Of those, ai-powered meeting transcription and automatic note-taking for sales teams and professionals and meeting analysis with ai scorecards and action item generation that syncs to crms are not what Milvus is typically brought in for.

What can Fathom do that Milvus cannot?

Fathom covers Auto-recording, AI summaries, Transcription, Highlight clips. Milvus covers Billion-scale vectors, Multiple index types, GPU acceleration, Hybrid search. Both handle Web support.

AI · head to head

Fathom vs Milvus

Fathom

Free AI meeting assistant

From: Free
Free plan: Yes

Full review Website

Milvus

Machine Learning

Open-source vector database for scalable similarity search

From: Free
Free plan: Yes

Full review Website

The short version

Each has a real cost: Fathom team plan requires minimum 2 users; cannot purchase single seat at team pricing; Milvus vector dimensions are capped at 32,768
They diverge on capability: Fathom covers Auto-recording, Milvus covers Billion-scale vectors.
Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Fathom and Milvus actually diverge.

Attributes where Fathom and Milvus differ
Attribute	Fathom	Milvus
Pricing model	Unknown	freemium
Platforms	Web, Zoom, Google Meet, Microsoft Teams	Linux, Mac, Windows, Web
Category	AI	Machine Learning
Founded	2020	2017

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Fathom

Auto-recording
AI summaries
Transcription
Highlight clips
Zoom
Google Meet
HubSpot
Salesforce

Only in Milvus

Billion-scale vectors
Multiple index types
GPU acceleration
Hybrid search
Data partitioning
PyTorch
TensorFlow
Hugging Face

Both cover

Web support

What people use each for

The jobs each tool is most often brought in to do.

Fathom

AI-powered meeting transcription and automatic note-taking for sales teams and professionalsnot Milvus
Meeting analysis with AI scorecards and action item generation that syncs to CRMsnot Milvus

Milvus

Self hosting a vector database for semantic searchnot Fathom
Storing and querying embeddings for retrieval augmented generationnot Fathom
Similarity search over images, audio or text at scalenot Fathom

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Fathom

Team plan requires minimum 2 users; cannot purchase single seat at team pricing
CRM field sync and deal view summaries available only on Business plan ($34/user/month) and above

Milvus

Vector dimensions are capped at 32,768
A collection is limited to 64 fields, 1,024 partitions and 16 shards
Only 1 index is allowed per field
Search returns at most 16,384 vectors as top-k, and nq is capped at 16,384
Input and output per RPC is capped at 64 MB for insert, search and query
VARCHAR values are limited to 65,535 characters
Data loaded into query nodes cannot exceed 90% of available memory
An instance supports at most 65,536 collections

Pricing, plan by plan

Fathom

Free

No published plan breakdown. See the Fathom review.

Milvus

Free

Open SourceFree
- Full features
- Self-hosted
- Community support
Zilliz CloudFree
- Managed service
- Free tier available

Which should you pick?

Choose Fathom if

You need auto-recording.
You want to start without paying.
You work on Web, Zoom, Google Meet, Microsoft Teams.
You also want ai summaries.

Fathom review

Choose Milvus if

You need billion-scale vectors.
You want to start without paying.
You work on Linux, Mac, Windows, Web.
You also want multiple index types.

Milvus review

Questions people ask

Is Fathom or Milvus better?: Neither clearly leads. Fathom starts at Free and Milvus at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Fathom or Milvus?: Fathom starts at Free and Milvus at Free.
Does Fathom or Milvus run on more platforms?: Fathom runs on Web, Zoom, Google Meet, Microsoft Teams. Milvus runs on Linux, Mac, Windows, Web.
Can I use Fathom for free?: Both have a free tier, so you can try either at no cost before committing.
What is Fathom best used for?: Fathom is most often used for ai-powered meeting transcription and automatic note-taking for sales teams and professionals, meeting analysis with ai scorecards and action item generation that syncs to crms. Of those, ai-powered meeting transcription and automatic note-taking for sales teams and professionals and meeting analysis with ai scorecards and action item generation that syncs to crms are not what Milvus is typically brought in for.
What can Fathom do that Milvus cannot?: Fathom covers Auto-recording, AI summaries, Transcription, Highlight clips. Milvus covers Billion-scale vectors, Multiple index types, GPU acceleration, Hybrid search. Both handle Web support.

Answered from the vendors’ own pages

Fathom: What is the most affordable paid plan for individuals, and what does it include?

Fathom Premium costs $20 per month (or $16 per month billed annually). It includes advanced summaries, action items, and a conversational AI assistant, in addition to the features in the free plan.

Source

Milvus: How much does Milvus cost?

Milvus is open-source and free to use and modify. The self-hosted version has no licensing cost. Zilliz Cloud (the managed SaaS version) does not publish pricing on the website.

Source

Fathom: What is included in Fathom's free plan?

The free plan includes unlimited recordings, transcriptions, AI summaries, clips, and playlists at no cost forever.

Source

Milvus: Is there a free or open-source version of Milvus?

Yes, Milvus is fully open-source and available for free. Milvus Lite is a lightweight option for learning and prototyping that can be installed via pip.

Source

Fathom: How much does the Team plan cost per user, and what features does it add?

The Team plan costs $19 per month per user (minimum 2 users, or $15 per month annually). It includes everything from Premium plus global search, collaboration features, and team playlists.

Source

Milvus: Does Milvus offer a managed cloud service?

Yes, Zilliz Cloud is a fully managed Milvus cloud offering with serverless and dedicated cluster options. Pricing must be requested from the company as it is not listed on the public website.

Source

Fathom: What trial or guarantee is available before committing to a paid plan?

All paid plans offer a 90-day guarantee to test features risk-free.

Source

Fathom: Does Fathom offer free or discounted plans for startups or nonprofits?

Yes, qualified portfolio companies get up to 2 years free, and nonprofits can apply for 10 free seats.

Source

Fathom vs Milvus

Fathom

Milvus

The short version

Where they differ

What each one covers

Only in Fathom

Only in Milvus

Both cover

What people use each for

Fathom

Milvus

Where each one falls short

Fathom

Milvus

Pricing, plan by plan

Fathom

Milvus

Which should you pick?

Choose Fathom if

Choose Milvus if

Questions people ask

Answered from the vendors’ own pages

Related pages

More on Fathom

More on Milvus

Keep looking

Other head to heads