runsonwhat

Langfuse's tech stack

What does Langfuse use?

Langfuse (langfuse.com) uses at least 30 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, HubSpot for sales and Crisp for customer support. Last checked .

“Open source LLM engineering platform”

Industry
Engineering, Product and Design
Size
11–50 employees
Based in
Berlin, Germany
Founded
2022
LinkedIn
Company page
Tools found
30
Categories
15
Layers
5 of 5
Last checked
Oct 2026

Langfuse's stack, layer by layer

Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.

Edge & Hosting

3 tools, where the bytes are served from

Application

6 tools, what the product is built with

Company Ops

5 tools, what the team runs on day to day

Langfuse tech stack FAQ

What tools does Langfuse use?

We've found 30 tools at Langfuse (langfuse.com). Edge & Hosting: Cloudflare, Amazon Web Services and Vercel. Application: Google Fonts, React and Tailwind CSS. Data & Observability: Google Analytics, Google Tag Manager and web-vitals. Go-to-market: Google Ads, Microsoft Ads and LinkedIn Insight Tag. Company Ops: Microsoft 365, Google Workspace and CookieYes. Last checked October 7, 2026.

What cloud does Langfuse run on?

Langfuse uses Amazon Web Services and Vercel for hosting. We found Amazon Web Services through custom domain.

What CRM does Langfuse use?

Langfuse uses HubSpot, Common Room and Reo.dev for sales and CRM. We found HubSpot through website code.

What email provider does Langfuse use?

Langfuse uses Microsoft 365 and Google Workspace for email and documents. We found Microsoft 365 through DNS verification records.

What does Langfuse use for customer support?

Langfuse uses Crisp for customer support. We found Crisp through custom domain.

What analytics tools does Langfuse use?

Langfuse uses Google Analytics, Google Tag Manager and PostHog for analytics, among 4 tools in this category. We found Google Analytics through website code.

Does Langfuse use Microsoft 365?

Yes. We found Microsoft 365 at Langfuse through DNS verification records. Microsoft 365 is used by 685,737 companies we track.

How does runsonwhat know what Langfuse uses?

We read public traces only: Langfuse's DNS and email records, certificate logs, the code its website loads, and published subprocessor lists. A tool is listed only when a direct record backs it up. DNS is rechecked weekly and the website monthly.

We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.