Langfuse

LLM engineering platform for model tracing, prompt management, and application evaluation. Langfuse helps teams collaboratively debug, analyze, and iterate on their LLM applications such as chatbots or AI agents.

Active Last commit · 10+ releases in the past year · 5,114 commits in the past 12 months

WebsiteSource codeLive demo

At a glance

GitHub stars
37.4k
Forks
4.2k
Open issues & PRs
1.2k
Last commit
2026-11-10
Latest release
v4.77.0
2026-11-09
Commits (12 mo)
5.1k
Releases (12 mo)
10+
License
MIT
Language / platform
Docker

Maintenance health: Active

Last commit within the past 90 days. Last commit · 10+ releases in the past year · 5,114 commits in the past 12 months.

How we label health: Active = last commit within 90 days, Maintained = within 12 months, Slowing = 12–24 months, Stale = over 24 months, Archived = read-only repository, Unknown = no data. Activity data from the GitHub API; release counts from the GitHub releases feed (includes pre-releases).

Run Langfuse yourself

  • RAM: ~2 GB server (1 vCPU)
  • Docker: yes

Estimated monthly server cost

ProviderPlan size~ USD / month
Vultr2 GB$10Deploy →
DigitalOcean2 GB$12Deploy →
Akamai (Linode)2 GB$12Deploy →

Rough estimate from the app's stack and category, not a benchmark. Several light apps can share one server. Some hosting links may be affiliate links. We may earn a commission at no extra cost to you; it never affects which apps we list.

Prefer managed hosting? Check PikaPods or Elestio.

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