OK
Trains on your data by default
= no (Favourable)No. Langfuse does not train or fine‑tunes ML/LLM models on Client Data.
service langfusevendor Langfusecategory Eval & monitoring
Does Langfuse train on your data?
No (Favourable)
- fields
- 4 favourable1 caution1 unfavourable2 neutral / n/a
- sources cited
- 6 pages
- source monitor
- 6/6 ok on 2026-10-26
- last field check
Evidence log
FAIL
Default retention
= indefinite unless configured (Unfavourable)No automatic deletion without a retention policy (min 3 days, Pro/Enterprise). Self-hosted data is kept indefinitely by default.
Without a retention policy, Langfuse does not automatically delete event data
Against the 21 tools that state a period (grey dots):
N/A
Zero data retention
= n/a (Neutral / n/a)Observability product; storing traces is the point. Use retention settings or self-host.
no quote stored for this field
N/A
Abuse-monitoring exception
= n/a (Neutral / n/a)Not applicable to an observability store.
no quote stored for this field
WARN
Data residency / regions
= US, EU, Japan, HIPAA (US) (Caution)Separate cloud regions: Oregon, Ireland, Tokyo, plus a HIPAA region in Oregon. No Singapore region.
All data, user accounts, and infrastructure are completely separated between the regions.
OK
SOC 2 / ISO 27001
= SOC 2 Type II; ISO 27001 (Favourable)annual SOC2 Type 2 and ISO27001 audits
OK
HIPAA BAA
= yes (HIPAA region, Pro+) (Favourable)Signed BAA available for Pro plan or higher in the separate HIPAA data region (hipaa.cloud.langfuse.com). Self-hosted deployments need no BAA with Langfuse.
Eligible customers can enter into a signed Business Associate Agreement (BAA) with Langfuse for HIPAA-regulated use.
OK
Self-host option
= yes (open source) (Favourable)Langfuse is open source and can be self-hosted using Docker on your own infrastructure.
Source checks
- ✓ OKlangfuse.com/docs/data-retentionfetched 2026-10-26 · Retention, ZDR
- ✓ OKlangfuse.com/securityfetched 2026-10-26 · Abuse mon., SOC2/ISO
- ✓ OKlangfuse.com/security/data-regionsfetched 2026-10-26 · SG/APAC
- ✓ OKlangfuse.com/security/hipaafetched 2026-10-26 · HIPAA BAA
- ✓ OKlangfuse.com/security/privacy-faqfetched 2026-10-26 · Trains
- ✓ OKlangfuse.com/self-hostingfetched 2026-10-26 · Self-host
Spotted something wrong or out of date? Corrections are welcome; see how to send one. How statuses are assigned.