Who uses Langfuse?
Open-source tracing, evaluation and observability platform for LLM applications and agents.
On usedby, 17 companies use Langfuse, including Fini, Cisco, and Intuit. 1 of them declared it to usedby itself. Every company links to the public page that names it.
17 companies, each with its public proof
Strongest proof first. Open a company to see the page that names it, and when we captured it.
DeclaredFiniArtificial Intelligence
ObservedCiscoTelecommunications
ObservedIntuitFintech & Payments
ObservedMerckBiotech & Pharma
ObservedCanvaMarketing Tech
ObservedGoDaddyDevTools & Infrastructure
ObservedTwilioTelecommunications
ObservedRampFintech & Payments
ObservedSamsaraLogistics & Supply Chain
ObservedRocket MoneyFintech & Payments
ObservedSumupFintech & Payments
ObservedDraftbit
ObservedHugging FaceArtificial Intelligence
ObservedKhan AcademyEdTech & E-learning
ObservedMagic Patterns
| Company | Industry | Proof | First public proof | Source |
|---|---|---|---|---|
| Fini | Artificial Intelligence | — | usefini.com | |
| Cisco | Telecommunications | — | langfuse.com | |
| Intuit | Fintech & Payments | — | langfuse.com | |
| Merck | Biotech & Pharma | — | langfuse.com | |
| Canva | Marketing Tech | — | langfuse.com | |
| GoDaddy | DevTools & Infrastructure | — | langfuse.com | |
| Twilio | Telecommunications | — | langfuse.com | |
| Ramp | Fintech & Payments | — | langfuse.com | |
| Samsara | Logistics & Supply Chain | — | langfuse.com | |
| Rocket Money | Fintech & Payments | — | langfuse.com | |
| Sumup | Fintech & Payments | — | langfuse.com | |
| Draftbit | — | — | langfuse.com | |
| Hugging Face | Artificial Intelligence | — | langfuse.com | |
| Khan Academy | EdTech & E-learning | — | langfuse.com | |
| Magic Patterns | — | — | langfuse.com | |
| Pigment | — | — | langfuse.com | |
| Brevo | Marketing Tech | — | langfuse.com |
Is Langfuse used in companies like yours?
By industry
8 industries among 17 customers. 24% are in Fintech & Payments. Of the 12 with a known size, 67% have more than 1,000 employees.
- Fintech & Payments4
- Artificial Intelligence2
- Marketing Tech
2 - Telecommunications2
- Biotech & Pharma1
- DevTools & Infrastructure1
- EdTech & E-learning1
- Logistics & Supply Chain1
By industry and company size
| Industry | Customers | ≤ 200 | 201–1,000 | > 1,000 | Unknown |
|---|---|---|---|---|---|
| Fintech & Payments | 4 | 0 | 1 | 2 | 1 |
Employees per company. Every proof level counts, job posts included. A company with no stored size gets its own column, never counted as small.
Which LLM observability & evals tools companies use, by industry: Fintech & Payments · Artificial Intelligence · DevTools & Infrastructure
What Langfuse does, and what to check
What Langfuse does
Open-source tracing, evaluation and observability platform for LLM applications and agents.
Written by usedby from langfuse.com.
Questions to ask in your demo
- Which of your customers look like us, by industry and size?
- What does a pilot cost, and what decides the move to a full contract?
- Where is our data stored, who can access it, and is it used to train models?
- How does Langfuse work with the tools we already use?
Langfuse alternatives, by public customers
Same or competing category, from another vendor. Every proof level counts. A shared category alone does not establish the same functions or suitability for your task.
- LangfuseThis toolReference
SigNoz1 shared with Langfuse1 sharedLangfuse vs SigNoz →
Speakeasy1 shared with Langfuse1 sharedLangfuse vs Speakeasy →
LangSmithObservability platform to trace, monitor and debug AI agents and LLM apps1 shared with Langfuse1 sharedLangfuse vs LangSmith →
LangChainFramework for building LLM applications2 shared with Langfuse2 sharedLangfuse vs LangChain →
BraintrustObservability and evaluation platform to trace, score and improve AI agents in production.1 shared with Langfuse1 sharedLangfuse vs Braintrust →
Often used with Langfuse
Other categories found at the same companies. All proof levels are included, including job-post signals. This does not establish an integration or joint use.
ClaudeAI assistants5 companies in common
AssembledContact center AI3 companies in common
BrightHireRecruiting3 companies in common
ElevenLabsVoice & audio generation3 companies in common
GleanEnterprise search & knowledge3 companies in common
WorkatoWorkflow automation & AI agents3 companies in common
Questions about Langfuse
Who uses Langfuse?
17 companies use Langfuse (1 declared, 16 observed), including Fini, Cisco, and Intuit.
Which industries use Langfuse?
The industries with the most Langfuse customers are Fintech & Payments (4).
What are the alternatives to Langfuse?
Ranked by public customers (every proof level counts, job posts included), the top Langfuse alternatives are SigNoz (52 customers, 1 shared), Speakeasy (47 customers, 1 shared), LangSmith (47 customers, 1 shared), and LangChain (47 customers, 2 shared). See all Langfuse alternatives.
How does usedby know who uses Langfuse, and how current is it?
Each company here links to a public page that names it as a Langfuse customer, and each line shows its proof level. A company that declared Langfuse itself is marked Declared. The latest check ran on November 12, 2026. How usedby collects and checks its data.
Where this data comes from
Two proof levels
Main sources
- langfuse.com/pricingNov 12, 2026
- langfuse.comNov 12, 2026
- usefini.com/security/subprocessorsNov 11, 2026
- 1 customer declared it itself
Cite this page
UsedBy.ai (2026). Who uses Langfuse? 17 companies. Retrieved from https://www.usedby.ai/tools/langfuse, latest check November 12, 2026.