Langfuse
Langfuse is an open-source observability and analytics platform for teams building applications with large language models, providing tracing, evaluation, and performance monitoring across prompts and model calls. The company offers a hosted SaaS and self-hosted deployment options used by engineering and data teams to debug, optimize, and manage LLM-powered products. Revenue is generated through subscription plans for its managed cloud service and enterprise features.
- MLOps & ML Platforms
- Document & Vision AI
- Revenue
- $800.0K
- Employees
- 15
- Founded
- 2023
- Headquarters
- Berlin Treptow, Germany
What 37 Arbolus experts think of Langfuse
Langfuse’s NPS distribution is skewed toward promoters, with most ratings between 8 and 10. 90% of experts express positive renewal intent or satisfaction, particularly among long-term users and mid/high spenders. Most users are in active or mature implementation stages, indicating strong stickiness. Major themes in the qualitative feedback include appreciation for granular tracing, critical debugging capabilities, and enterprise gap awareness for large-scale deployments. Overall Customer Sentiment: Positive
Who reviewed Langfuse
- C-Suite 56% (21)
- Director 24% (9)
- Manager 21% (8)
Employer names and spend open in the full report, along with the other 34 customers.
Everything 37 customers told us about Langfuse.
Employer names, spend, renewal intent and every written answer behind the numbers on this page.
Sentiment
37 Net Promoter Score, from 37 scored reviews- Promoters 18
- Passives 15
- Detractors 4
Cumulative NPS by month
+0 over 6 months- May 8
- Jun 9
- Jul 9
- Aug 8
- Sep 8
- Oct 8
Net Promoter Score across 3 reviews, accumulated up to each month. Category median 35 across 3 companies.
Praised
- Enterprise Depth and Onboarding Speed
- Automated Analytics and Root Cause
- Out-of-Box Feedback and Compliance
- Detailed Prompt and Cost Monitoring
Criticised
- Competitive Multi-Agent Tracing
- Enterprise Feature Gaps and Analytics
- Cloud Hosting and UI Friction
- Interface Polish and Non-Technical Access
What customers say
Renewal intent
Plan to renew 75%Plan to renew, by seniority
- 70% 10 answers
- 100% 4 answers
- 0% 1 answer
- 100% 1 answer
- 8.6/10 Average score from customers who will renew
- 7/10 Average score from undecided customers
- 7.5/10 Average score from customers not renewing
Top alternatives
Most weighed by Langfuse customersReport
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