Langfuse
Open-source platform for tracing, evaluating and improving AI agents
Observability tool by Langfuse (ClickHouse)
Install
Pick your client. Read the repository before you give any tool access to your data.
pip install langfuse
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About
Use cases: monitoring-observability, llm-evaluation, prompt-engineering
Reviews
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Fact sheet
- Category
- Tracing · open source
- Self-host
- Yeslangfuse.com
- Open source
- Yesraw.githubusercontent.com
- Compliance (vendor says)
- SOC 2, ISO 27001, HIPAAlangfuse.com
- SLA
- Uptime SLA on Enterprise (percentage not stated)langfuse.com
- Protocols
- opentelemetrylangfuse.com
Plans
| Hobby | $0 | 50k units/month included, 2 users, 30 days data access |
|---|---|---|
| Core | $29/month | 100k units/month included, then $8 per 100k units; unlimited users; 90 days data access |
| Pro | $199/month | 100k units/month included, then $8 per 100k units; 3 years data access; SOC2 and ISO27001 reports, BAA available for HIPAA |
| Enterprise | $2499/month | 100k units/month included, then $8 per 100k units; audit logs, SCIM API, uptime SLA |
From the vendor's pricing page, read Oct 24, 2026.
Facts read from the vendor's own pages by claude-haiku-5-5 on Oct 24, 2026; a fact is shown only with the page it came from.
Signals
- Stars
- 36,350
- Forks
- 4,068
- Open issues
- 328
- Last commit
- Oct 24, 2026 (2 days ago)
- Last release
- Oct 24, 2026 (2 days ago)
From GitHub (fetched Oct 24, 2026).
Details
- Packages
- pypi
langfuse - License
- Other
- Repository
- github.com/langfuse/langfuse
- Website
- langfuse.com
- First seen
- Oct 24, 2026
- Last checked
- Oct 24, 2026
Cite this page
Langfuse. Agent Mart. https://agentmart.dev/observability/langfuse (last updated 2026-10-24)