Langfuse
🪢 Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform. open source
Where it ranks
- LLM tracing and observability: Pick (81.3/100)
Pricing
Open source (self-host). Cloud: Hobby free; Core $29/mo; Pro $199/mo.
Source: https://langfuse.com/pricing, checked 2026-10-19
Public signals
| GitHub stars | 36.1ksource |
|---|---|
| Forks | 4.0k |
| Last push | Oct 21, 2026 |
| 7-day star change | unknown (needs 7 days of snapshots) |
| Latest stable release | v4.67.0 Oct 21, 2026 |
| Hacker News, last 30 days | 0 stories, 0 points query |
Matched by linked URL “langfuse.com”. Title matches can include unrelated stories.
Recent releases
- v4.67.0 Oct 21, 2026
What's Changed Features feat(skills): simplify CLI install and import setup by @tobi12345 in #19128 feat(web): add name search and gateway key filter to organization API keys by @wochinge in #19108 Fixes fix(slack): marketplace review – link buttons and private channel visibility - v4.66.0 Oct 20, 2026
What's Changed Features feat(topics): one gate for Topics visibility by @LysanderKie in #19091 Fixes fix(sessions): Don't allow expanding empty reasoning messages by @bezbac in #19096 fix(web): disable Owner role selection without ownership permission by @marksalpeter in #19092 f - v4.65.0 Oct 20, 2026
What's Changed Features feat(topics): non-blocking clustering for large numbers by @nimarb in #18964 feat(topics): name topics by what their facet asks about by @LysanderKie in #19008 feat(routes): add recovery option for V4 experience and update sidebar toggle logic by @marliess