Is Fathom or LangSmith better?

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

Which is cheaper, Fathom or LangSmith?

Fathom has a free tier; the other does not. Paid plans start at Free for Fathom and On request for LangSmith.

Does Fathom or LangSmith run on more platforms?

Fathom runs on Web, Zoom, Google Meet, Microsoft Teams. LangSmith runs on Web.

Can I use Fathom for free?

Yes. Fathom has a free tier, so you can try it without paying. LangSmith starts at On request.

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 LangSmith is typically brought in for.

What can Fathom do that LangSmith cannot?

Fathom covers Auto-recording, AI summaries, Transcription, Highlight clips.

AI Tools · head to head

Fathom vs LangSmith

Fathom

AI Tools

Free AI meeting assistant

From: Free
Rated: -

Full review Website

LangSmith

Software Development

Know what your agents are really doing

From: On request
Rated: -

Full review Website

The short version

Only Fathom has a free tier, so it costs nothing to try first.
Each has a real cost: Fathom team plan requires minimum 2 users; cannot purchase single seat at team pricing; LangSmith usage beyond the included trace allotment is billed in LangChain Compute Units at $1.50 per LCU and Storage Units at $1.00 per LSU, an unfamiliar metering unit compared to flat per-seat pricing, as of August 2026.

Where they differ

Only the attributes on which Fathom and LangSmith actually diverge.

Attributes where Fathom and LangSmith differ
Attribute	Fathom	LangSmith
Starting price	Free	On request
Pricing model	Unknown	subscription
Free tier	Yes	No
Platforms	Web, Zoom, Google Meet, Microsoft Teams	Web
Category	AI Tools	Software Development
Founded	2020	Unknown

Identical on both: 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 LangSmith

Nothing recorded that Fathom does not also cover.

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 LangSmith
Meeting analysis with AI scorecards and action item generation that syncs to CRMsnot LangSmith

LangSmith

No use cases recorded yet. See the LangSmith review.

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

LangSmith

Usage beyond the included trace allotment is billed in LangChain Compute Units at $1.50 per LCU and Storage Units at $1.00 per LSU, an unfamiliar metering unit compared to flat per-seat pricing, as of August 2026.

Pricing, plan by plan

Fathom

Free

No published plan breakdown. See the Fathom review.

LangSmith

On request

No published plan breakdown. See the LangSmith review.

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 LangSmith if

Nothing in the data separates LangSmith from Fathom on the points above - pick on price and on how each one feels to use.

LangSmith review

Questions people ask

Is Fathom or LangSmith better?: Neither clearly leads. Fathom starts at Free and LangSmith at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Fathom or LangSmith?: Fathom has a free tier; the other does not. Paid plans start at Free for Fathom and On request for LangSmith.
Does Fathom or LangSmith run on more platforms?: Fathom runs on Web, Zoom, Google Meet, Microsoft Teams. LangSmith runs on Web.
Can I use Fathom for free?: Yes. Fathom has a free tier, so you can try it without paying. LangSmith starts at On request.
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 LangSmith is typically brought in for.
What can Fathom do that LangSmith cannot?: Fathom covers Auto-recording, AI summaries, Transcription, Highlight clips.

Fathom vs LangSmith

Fathom

LangSmith

The short version

Where they differ

What each one covers

Only in Fathom

Only in LangSmith

What people use each for

Fathom

LangSmith

Where each one falls short

Fathom

LangSmith

Pricing, plan by plan

Fathom

LangSmith

Which should you pick?

Choose Fathom if

Choose LangSmith if

Questions people ask

Related pages

More on Fathom

More on LangSmith

Keep looking

Other head to heads