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langfuse.com

Langfuse

Who runs Langfuse, what it tracks and what it costs, and the 20 closest LLM observability alternatives.

Who’s behind it
Not stated
Online since
Unknown
Trackers
Prices
No pricing page
Last price change
–
Closest alternative
Arize

Measured from Langfuse’s own pages, the Internet Archive and public records. Hover a dotted value for its source and date.

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01 · Who’s behind it

Who runs Langfuse

Langfuse langfuse.com

Trace, evaluate, and improve AI agents with one open platform. Use production data to understand behavior, collaborate on fixes, and ship better quality at lower cost and latency.

Company
No imprint we could read
Online since
Not in the Internet Archive
Audience
In English

02 · Privacy

What Langfuse tracks

What the homepage loads before you accept or decline cookies. A cookie banner should hold most of it back until you agree, and a tag manager can load more that we don’t see.

trackers that follow visitors

More than all 20 alternatives below.

Privacy-friendly alternatives →
Cookie banner
CookieYes
US company
7 tools

03 · Alternatives

Alternatives to Langfuse

Thumbs up if it’s a real alternative to Langfuse, thumbs down if it isn’t.

Fewer trackers than LangfuseNo ad trackersRegistered in the EUFree planOnly in English

3 of the 60 sites closest to Langfuse match.

  1. 01
    Retool retool.com English Free plan 2 trackers

    Build internal software better, with AI. | Retool

    Build, deploy, and manage internal tools with Retool's unified engine. Connect to any database, API, or LLM. Leverage AI throughout your business.

    Compare Retool with Langfuse →
  2. 02
    Sentry sentry.io Top 1K English Free plan 1 tracker

    Application Performance Monitoring & Error Tracking Software | Sentry

    Application performance monitoring for developers & software teams to see errors clearer, solve issues faster & continue learning continuously. Get started at sentry.io.

    Compare Sentry with Langfuse →
  3. 03
    Linear linear.app English Free plan 1 tracker

    Linear – The system for product development

    Purpose-built for planning and building products with AI agents.

    Compare Linear with Langfuse →

Closest first, by how much each site’s offer resembles Langfuse’s. Trackers are counted the same way as above. Highlighted technologies are ones Langfuse uses too. Votes and comments come from visitors and don’t change the order.

04 · History

What changed

Price and policy history →

No changes yet. Each new crawl is compared with the last one, and what Langfuse adds, drops or rewrites shows up here.

05 · Details

How we measure

Alternatives are matched by what sites actually offer, from their homepages, Wikidata and a summary by Claude, in any language. Trackers and the rest of the stack come from the homepage’s code and DNS records.

The full technology stack, the competitor map and search numbers · 16 technologies
Neighbours
k = 60
Sites searched
9,217
Vector
384-d
Query
78 ms

Competitor map

Each alternative by how close its vector is to Langfuse’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Hover for the numbers, click to jump to it in the list.

similarity × popularity

LinearSentryRetool

Built with

JavaScript frameworks
  • Next.js header x-powered-by: Next.js
  • React implied by Next.js (header x-powered-by: Next.js)
Analytics
Tag managers
Advertising
Marketing automation
  • HubSpot page source: js-eu1.hs-scripts.com
Cookie consent
Hosting
  • Vercel header x-vercel-id: fra1::iad1::rsbmq-1794174495227-90bb36309426
Email hosting
DNS hosting
SaaS tools (verified in DNS)
  • Google Search Console TXT google-site-verification=xzRwcd14JOyCZ7X_yd8ZjS_WF_mcForWbhs0G4-E61Q
  • Slack TXT slack-domain-verification=VaXU8x9u8aQHVP4CKICN8D6DNlpSQIs3jiODAGAe