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Software · head to head

Frontegg vs Langfuse

Frontegg logo

Frontegg

Software

Customer identity and access management platform for SaaS applications

From
Free
Rated
-
Full reviewWebsite
L

Langfuse

Software

Simple pricing for projects of all sizes

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Frontegg has a free tier, so it costs nothing to try first.
  • Each has a real cost: Frontegg detailed per-unit pricing beyond the free tier is not published, requiring use of an online calculator or sales contact to estimate costs.; Langfuse billing is metered per unit, where a unit is any trace, observation, or score sent to the platform; the free Hobby tier includes only 50,000 units per month before graduated per-unit charges apply, as of August 2026.

Where they differ

Only the attributes on which Frontegg and Langfuse actually diverge.

Attributes where Frontegg and Langfuse differ
AttributeFronteggLangfuse
Starting priceFreeOn request
Free tierYesNo
Platformsweb, apiWeb

Identical on both: pricing model (usage-based), user rating (Not yet rated), category (Unknown).

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 Frontegg

  • Hosted login
  • Enterprise SSO/SCIM
  • Multi-tenant organizations
  • Custom domains
  • M2M tokens
  • Fraud protection

Only in Langfuse

Nothing recorded that Frontegg does not also cover.

What people use each for

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

Frontegg

  • Adding enterprise SSO/SCIM to a B2B SaaS productnot Langfuse
  • Multi-tenant customer identity managementnot Langfuse
  • White-labeled, custom-domain login experiencesnot Langfuse
  • Securing AI agent access to a SaaS product via Agen.conot Langfuse

Langfuse

No use cases recorded yet. See the Langfuse review.

Where each one falls short

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

Frontegg

  • Detailed per-unit pricing beyond the free tier is not published, requiring use of an online calculator or sales contact to estimate costs.
  • Advanced fraud protection and multiple environments are Enterprise-only, unavailable on the Pay As You Go plan.
  • The 7,500 free monthly active users is comparatively modest next to some competitors' free tiers.
  • As a broader CIAM platform, it can be more complex to integrate than lighter-weight developer-first auth tools for smaller apps.

Langfuse

  • Billing is metered per unit, where a unit is any trace, observation, or score sent to the platform; the free Hobby tier includes only 50,000 units per month before graduated per-unit charges apply, as of August 2026.

Pricing, plan by plan

Frontegg

Free
  • Pay As You GoFree
    • 7,500 monthly active users included
    • 5 enterprise connections (SSO/SCIM)
    • Unlimited organizations
  • Enterprise$undefined/month
    • Custom pricing
    • Multiple environments
    • Advanced fraud protection

Langfuse

On request

No published plan breakdown. See the Langfuse review.

Which should you pick?

Choose Frontegg if

  • You need hosted login.
  • You want to start without paying.
  • You work on web, api.
  • You also want enterprise sso/scim.
Frontegg review

Choose Langfuse if

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

Langfuse review

Questions people ask

Is Frontegg or Langfuse better?
Neither clearly leads. Frontegg starts at Free and Langfuse at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Frontegg or Langfuse?
Frontegg has a free tier; the other does not. Paid plans start at Free for Frontegg and On request for Langfuse.
Does Frontegg or Langfuse run on more platforms?
Frontegg runs on web, api. Langfuse runs on Web.
Can I use Frontegg for free?
Yes. Frontegg has a free tier, so you can try it without paying. Langfuse starts at On request.
What is Frontegg best used for?
Frontegg is most often used for adding enterprise sso/scim to a b2b saas product, multi-tenant customer identity management, white-labeled, custom-domain login experiences, securing ai agent access to a saas product via agen.co. Of those, adding enterprise sso/scim to a b2b saas product and multi-tenant customer identity management are not what Langfuse is typically brought in for.
What can Frontegg do that Langfuse cannot?
Frontegg covers Hosted login, Enterprise SSO/SCIM, Multi-tenant organizations, Custom domains.

Answered from the vendors’ own pages

Frontegg: What does Frontegg cost?

Frontegg's Pay As You Go plan is free up to 7,500 monthly active users, after which pricing scales with users, enterprise connections and M2M tokens via an online calculator; Enterprise pricing is custom.

Source
Frontegg: Is there a free plan and what are its limits?

Yes, the free Pay As You Go plan includes 7,500 monthly active users, 5 enterprise SSO/SCIM connections, unlimited organizations, and a custom domain.

Source
Frontegg: How is usage metered?

Pricing is consumption-based, driven by monthly active users, monthly enterprise connections (SSO/SCIM), and monthly M2M tokens, with customers paying only for usage beyond the free 7,500-user threshold.

Source
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