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.
Visit Langfuse01 · 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
Advertising and retargeting
Lets ad networks recognise visitors on other sites and show them ads.
Visitor analytics
Counts and follows visits, usually with cookies.
Marketing and email tracking
Links visits to email campaigns and customer profiles.
Tag manager
Loads further tracking scripts, which we can’t always see.
03 · Alternatives
Alternatives to Langfuse
None of the 60 sites closest to Langfuse match these filters. We read imprints and pricing pages once a week, so more sites qualify as we get to them.
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 and search numbers · 16 technologies
- Neighbours
- k = 60
- Sites searched
- 9,221
- Vector
- 384-d
- Query
- 40 ms
Built with
- JavaScript frameworks
- Analytics
- Google Analytics page source: googletagmanager.com/gtag/js
- Tag managers
- Google Tag Manager page source: googletagmanager.com/gtm.js
- Advertising
- Google Ads conversion tracking page source: gtag('config', 'AW-
- LinkedIn Insight Tag page source: snap.licdn.com/li.lms-analytics
- Reddit Pixel page source: redditstatic.com/ads/pixel
- X (Twitter) Pixel page source: static.ads-twitter.com/uwt.js
- Marketing automation
- HubSpot page source: js-eu1.hs-scripts.com
- Cookie consent
- CookieYes page source: cdn-cookieyes.com
- Hosting
- Vercel header x-vercel-id: fra1::iad1::rsbmq-1794174495227-90bb36309426
- Email hosting
- Google Workspace MX aspmx.l.google.com
- Microsoft 365 TXT MS=ms48392532
- DNS hosting
- Cloudflare DNS NS chad.ns.cloudflare.com
- SaaS tools (verified in DNS)
- Google Search Console TXT google-site-verification=xzRwcd14JOyCZ7X_yd8ZjS_WF_mcForWbhs0G4-E61Q
- Slack TXT slack-domain-verification=VaXU8x9u8aQHVP4CKICN8D6DNlpSQIs3jiODAGAe
What competitors use
Across the 20 closest sites.
- Google Search Console 18/20
- Google Workspace 16/20
- Cloudflare · not on langfuse.com 12/20
- Cloudflare DNS 12/20
- HubSpot 11/20
- Microsoft 365 11/20
- Google Tag Manager 10/20
- Apple Business · not on langfuse.com 9/20
- Atlassian · not on langfuse.com 8/20
- React 8/20
- Next.js 7/20
- OpenAI · not on langfuse.com 7/20
- Stripe · not on langfuse.com 6/20
- Salesforce · not on langfuse.com 6/20
- Vercel 6/20
- Zoom · not on langfuse.com 6/20