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Software Development · head to head

Humanloop vs Langfuse

Humanloop logo

Humanloop

Software Development

The LLM evals platform for enterprises

From
Free
Rated
-
Full reviewWebsite
Langfuse logo

Langfuse

Software Development

Simple pricing for projects of all sizes

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Humanloop no published pricing for standard plans; customers must contact sales for quotes; Langfuse free Hobby plan limited to 2 users and 30-day data retention
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Humanloop and Langfuse actually diverge.

Attributes where Humanloop and Langfuse differ
AttributeHumanloopLangfuse
Pricing modelusage-basedfreemium

Identical on both: starting price (Free), free tier (Yes), platforms (Web), user rating (Not yet rated), category (Software Development).

What people use each for

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

Humanloop

  • LLM prompt management and evaluationnot Langfuse
  • AI workflow automation and testingnot Langfuse
  • Model monitoring and logging at scalenot 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.

Humanloop

  • No published pricing for standard plans; customers must contact sales for quotes
  • Billing based on logs created per API call, making costs unpredictable without usage estimates
  • Separate charges apply from AI providers (OpenAI, Anthropic, etc.) using customer's own API keys, adding external costs

Langfuse

  • Free Hobby plan limited to 2 users and 30-day data retention
  • Overage pricing applies beyond included units; graduated rates from $8.00 per 100k units down to $6.00 per 100k units at 50M+ volume

Pricing, plan by plan

Humanloop

Free
  • Free TrialFree
    • 2 members
    • 50 evaluation runs
    • 10,000 logs per month
  • Startup Program$null/contact-sales
    • Tailored pricing for early-stage, VC-backed startups
  • Enterprise$null/contact-sales
    • Custom pricing
    • SSO + SAML authentication
    • Role-based access controls

Langfuse

Free
  • HobbyFree
    • 50k units/month
    • 30-day data retention
    • 2 users maximum
  • Core$29/month
    • 100k units/month
    • 90-day data retention
    • Unlimited users
  • Pro$199/month
    • 100k units/month
    • 3-year data retention
    • SOC2 & ISO27001 compliance
  • Enterprise$2499/month
    • Custom rate limits
    • Dedicated support engineer
    • SCIM API & audit logs

Which should you pick?

Choose Humanloop if

  • You want to start without paying.
Humanloop review

Choose Langfuse if

  • You want to start without paying.
Langfuse review

Questions people ask

Is Humanloop or Langfuse better?
Neither clearly leads. Humanloop starts at Free and Langfuse at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Humanloop or Langfuse?
Humanloop starts at Free and Langfuse at Free.
Does Humanloop or Langfuse run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use Humanloop for free?
Both have a free tier, so you can try either at no cost before committing.
What is Humanloop best used for?
Humanloop is most often used for llm prompt management and evaluation, ai workflow automation and testing, model monitoring and logging at scale. Of those, llm prompt management and evaluation and ai workflow automation and testing are not what Langfuse is typically brought in for.

Answered from the vendors’ own pages

Humanloop: How much does Humanloop cost?

Humanloop offers a free trial with 2 members and 10,000 logs per month. Startup program and Enterprise plans require contacting sales for custom pricing based on usage needs.

Source
Langfuse: What does Langfuse cost?

Langfuse starts at $29/month for the Core plan (100k units/month). Pro costs $199/month with 3-year data retention. Enterprise costs $2499/month for custom rate limits and dedicated support.

Source
Humanloop: What are the limits on Humanloop's free trial plan?

Free trial includes 2 members, 50 evaluation runs, and 10,000 logs per month with access to all features at limited volume.

Source
Langfuse: Does Langfuse have a free plan?

Yes, the Hobby plan is free with 50k units/month, 30-day data retention, and support for up to 2 users.

Source
Humanloop: How is Humanloop usage billed?

Humanloop bills based on logs created per API call to prompts, tools, evaluators, or flows. Separate charges apply from external AI providers like OpenAI and Anthropic using the customer's own API keys.

Source
Langfuse: What happens if I exceed my unit limits on Langfuse?

Overage pricing applies with graduated rates: $8.00 per 100k units for 100k-1M units, $7.00 per 100k units for 1M-10M units, $6.50 per 100k units for 10M-50M units, and $6.00 per 100k units for 50M+ units.

Source
Humanloop: Does Humanloop offer discounts for nonprofits or academics?

Academic and nonprofit pricing is available upon request, requiring contact with sales for customized rates.

Source
Langfuse: Are there discounts available on Langfuse?

Early-stage startups receive 50% off the first year. Research and student accounts qualify for up to 100% off. Non-profits receive $199 monthly credits.

Source
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