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  1. Home
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  3. Observability
  4. Langfuse
Langfuse logo

Langfuse

Observability

Verified Publisher·Pending reviewVerified Adoption·Pending reviewEnterprise Ready·Pending review

Open-source LLM engineering platform for tracing, evals, prompt management, and metrics so teams can debug and improve production AI applications.

Developers also use

Generated from similarity, co-save, category, project, and adoption signals.

MLflow logo
MLflow

Observability· mlflow.org

Open source

MLflow is an open-source AI engineering platform with GenAI evaluation, tracing, monitoring, and optimization workflows for agents, LLM apps, and models.

Why recommended

Highly similar description

Keep evaluating Langfuse

Comparisons, category adoption data, and shortlist guides that answer the questions this profile raises next.

Weigh Langfuse against the alternatives

  • Langfuse alternativesEvery observability product developers evaluate in place of Langfuse.
  • Langfuse vs MLflowSide-by-side pricing, API surface, and adoption evidence.
  • Langfuse vs EvidentlySide-by-side pricing, API surface, and adoption evidence.
  • Langfuse vs LaminarSide-by-side pricing, API surface, and adoption evidence.

Enterprise fit

Buyer brief for procurement and architecture review

Source-labeled signals for cost, reliability, security, integration, and adoption proof. Missing compliance evidence is shown as a gap, not guessed.

Compare for enterpriseExport brief
Inferred

Commercial model

Freemium profile signal; exact enterprise terms need buyer review.

View source
Needs verification

Reliability

No status page, uptime, or SLA evidence attached

Needs verification

Security/compliance

No security, trust, or compliance source attached

Source linked

Integration fit

API available with docs/profile signal

View source
Inferred

Adoption proof

Public saves/reviews indicate evaluator interest

Buyer recommendation

Shortlist only after verifying Reliability and Security/compliance.

API signal supports workflow automation.Docs are linked for implementation review.Open-source path can reduce lock-in review.At least one buyer evidence source is linked or verified.

Vendor value loop

Vendors receive anonymous aggregate evaluation demand by default. Account details are shared only after explicit buyer contact or consent.

Request vendor contact

Real data backfill while adoption proof grows

These are source-linked enrichment paths for missing fields. They are treated as proxies until claimed-company data and first-party tokens& adoption events replace them.

GitHub repository APIfreeStars, forks, license, topics, releases, default branch, repo freshness, and public contributor signal.OpenSSF ScorecardfreeOpen-source security posture checks for repos before enterprise review.Wikidata company graphfreeParent company, acquisition, and ownership hints to avoid misleading same-owner comparisons.

Events / Tours

Langfuse developer events

Hackathons, workshops, office hours, launches, and partner challenges tied to this product.

Claim or partner

No public events yet

Claimed teams can add hackathons, webinars, office hours, and challenges, then measure attendee to usage ROI.

AgentRank trust profile

Public proof buyers and agents can trust

Claim this tool to see who is evaluating it

AgentRank

66

Public signals · ★ 34,826

Trust Score

47

observed

Category Rank

#2

Observability · public signals

Protocols

API, SDK

Agent-readable metadata

Tracked Developers

0

Known active developer activity

Profile Status

Unclaimed

Owner action needed

Trust Registry

AgentRank evidence file
observed

Source breakdown

GitHub34,826

68% confidence

Protocol support

APISDK
Adoption over time
Last 8 weeks+1,774 GitHub stars in 30d · cohort private · trust 47

Timeline appears after verified events.

We do not draw a fake adoption chart before live usage, self-reported proof, or challenge activity exists for this product.

Private (N<7)

active developers

Private (N<7)

verified adoptions

Private (N<7)

retention

Your developer adoption profile is already visible.

Claim it to verify data, add integrations, and unlock adoption intelligence on developers and accounts evaluating Langfuse.

Claim your tool

Developer identities

See the builders behind saves, docs clicks, API calls, and retained usage.

Talk to sales

Account map

Developer identities, account mapping, retention cohorts, and competitor overlap are available on Growth and Enterprise plans.

About Langfuse

Open-source LLM engineering platform for tracing, evals, prompt management, and metrics so teams can debug and improve production AI applications.

Resources
DocsDocs

Official implementation documentation.

GitHubGitHub

Public source repository.

Official websitelaunch_source

Public source used by the daily tool intake.

Public links
Visit WebsiteDocumentationGitHub3 Resources
GitHub Stats

34,826

Stars

3,815

Forks

926

Issues

Quick Info
PricingFreemium
Open sourceYes
API availableYes
28,106
6,345
Open source
Why recommended

Highly similar description

Evidently logo
Evidently

Observability· evidentlyai.com

Freemium

Open-source observability and evaluation framework for monitoring ML and LLM applications with tests and metrics.

Why recommended

Highly similar description

7,932
925
Open source
Why recommended

Highly similar description

Laminar logo
Laminar

Observability· laminar.sh

Freemium

Open-source observability, tracing, and evaluation platform built for AI agents.

Why recommended

Highly similar description

3,275
240
Open source
Why recommended

Highly similar description

OpenLIT logo
OpenLIT

Observability· openlit.io

Freemium

OpenTelemetry-native AI engineering platform for LLM observability, evaluations, guardrails, and prompt operations.

Why recommended

Same category

2,782
397
Open source
Why recommended

Same category

  • Langfuse vs OpenLITSide-by-side pricing, API surface, and adoption evidence.

    • Check the adoption evidence

    • Observability developers actually keep usingFiltered to products with verified usage events, cohort breadth, and retention.
    • AgentRank category rankingsHow every category is ordered by adoption proof, trust, and protocol support.
    • Best Open Source AI ToolsShortlist guide for this category, with the tradeoffs written out.
    • Best AI Observability ToolsShortlist guide for this category, with the tradeoffs written out.

    Own Langfuse? Generate its adoption badge embed, or claim the profile to send verified usage events.

    Agent-readable protocol evidence raises trust and commercial readiness.

    Benchmark proof

    Benchmarks attached

    2 latest benchmark results linked to this profile.

    Trust gaps

    Verify publisher ownership
    Send SDK/API telemetry

    Enterprise verification can enrich evidence and export proof packages, but cannot buy rank.

    Claim this tool to see who is evaluating it
    Next best action

    Claim Langfuse before competitors use this profile as proof.

    Connect usage events, resolve developer identities, and see which accounts are evaluating Langfuse.

    Claim this tool to see who is evaluating it

    Resolve developer activity into companies, teams, and enterprise accounts.

    Talk to sales

    Retention cohorts

    Track first API call through 7/30/90-day retention and expansion.

    Talk to sales

    Competitor overlap

    Find developers evaluating alternatives and switching between tools.

    Talk to sales

    Category benchmark

    Compare activation, retention, and growth against your market.

    Talk to sales

    Recommended actions

    Prioritized DevRel, product, and sales plays based on live adoption signals.

    Talk to sales