open source · Observability · MIT core

Langfuse

Trace, evaluate and debug LLM agents.

In short

  • What it is: Observability, 12k+ GitHub stars, licensed MIT core.
  • Replaces: LLM observability SaaS — around $1,188/year saved.
  • Installed for: $199 on your own server — you own it, no monthly platform fee.
  • Licence: MIT core. MIT core resellable.
How the service works
12k+ GitHub starsMIT coreinstall difficulty: medium

$1,188

replaces per year

$5,940

saved over 5 years

$199

one-time install (yours forever)

48h

delivery

what it replaces

Langfuse vs the tools it replaces.

FeatureCommercial toolLangfuse (self-hosted)
PricingUsageFlat
DataVendorYours
LicenceProprietaryMIT

Replaces

  • LLM observability SaaS — ~$99/mo

Licence posture

MIT core. You can white-label and resell this. We'll brand it as yours.

MIT core resellable.

how to resell / replace

Turn it into a business.

Sell "we monitor and improve your AI" as part of a care plan. Self-host the traces so client data stays put.

Bundle this with a done-for-you product: see the AI businesses or the white-label alternatives.

Best for

Install difficulty

medium

what we do

The install, step by step.

1

Docker Compose

2

Postgres

3

Keys

4

Dashboards

5

Alerts

langfuse · install demo
see it installed

Watch a Langfuse install.

We generate an architecture diagram of the repo and walk through the deployment. Enter your name and email to unlock the demo.

Install Langfuse — $199.

Flat fee, delivered in 24–48 hours, on your own server, with HTTPS, backups and the AI keys wired.

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