AI & Agents

Langfuse

Last updated 2026-08-03 · benchmark measured 2026-09-23 — deterministic & reproducible

Langfuse is an LLM application and agent observability and evaluation platform.

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To cite this score: legit.show/s/langfuse-com/2026-09-23. That address never changes; this page moves with every re-measure.

Legit.Show scored Langfuse 92/100 on 2026-09-23, measured across 5 of 7 frames from its public surface. legit.show/s/langfuse-com/2026-09-23

Is Langfuse production-ready?

Legit.Show scores Langfuse 92 out of 100 — the simple average of its 5 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Langfuse (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Security; its weakest is Standards. 5 of the seven frames returned a score; Performance and Accessibility were not measurable on this service and are recorded as null — not as zero. Every frame it averages is published with its evidence on the Legit.Show listing.

The 7 Frames

• Performance — not measurable on this service (null — not scored as 0)
• Accessibility — not measurable on this service (null — not scored as 0)
• Security — 100/100
  How this compares across the catalogue: The Web Security Baseline
• Privacy — 100/100
  How this compares across the catalogue: The Privacy Gap
• Reliability — 100/100
• Standards — 75/100
• Discoverability — 85/100

What we measured

• Security headers present: CSP, HSTS, X-Frame-Options, X-Content-Type-Options, Referrer-Policy.
• Served over HTTPS with a valid certificate.
• Real Lighthouse performance run — 146 ms to first byte.
• Returns a proper 404 for unknown routes.
• 3 of 3 sampled routes reachable.
• Has a reachable privacy policy.
• Sets cookies / loads scripts with no consent prompt.
• Discoverable: sitemap, OpenGraph image, canonical URL.

Who built it

Marc Klingen · product account @langfuse

Who it's for

LLM engineers · AI teams · Enterprise organizations · Fortune 50 companies · AI startups

Pricing

Hobby plan free; Core $29/month + $8 per 100k units; Pro and Enterprise with custom pricing; 50% discount for early-stage startups first year

Visit Langfuse → · Alternatives to Langfuse → · How this was measured →