Langfuse vs WhyLabs

Vendor decision canvas

Evidence sheet
Vendor 1
Langfuse logo
LangfuseAI Observability

Langfuse is an open-source platform for tracing, prompt management, evaluations, and observability across LLM applications and agent systems.

$29+ / monthPriceNo reviewsRating2022Founded
Vendor 2
WhyLabs logo
WhyLabsAI Observability

AI observability platform providing data and model monitoring with drift detection and anomaly identification.

No reviewsRating2019Founded
Carry this decision forward

Langfuse + WhyLabs can move into a shared evaluation.

Evidence sheet

2-vendor view
Vendor evidence comparison for Langfuse, WhyLabs
Vendor 1
Langfuse logo
Langfuse
AI Observability

Open-source LLM engineering platform.

Vendor 2
WhyLabs logo
WhyLabs
AI Observability

Responsible AI Adoption

Overview
CategoryAI ObservabilityAI Observability
What it isLangfuse is an open-source platform for tracing, prompt management, evaluations, and observability across LLM applications and agent systems.AI observability platform providing data and model monitoring with drift detection and anomaly identification.
Pricing
Price$29+ / monthNot available
Pricing modelTiered plansNot available
Free optionsFree plan, Free trialNo free plan, No free trial
Company
Founded20222019
Team sizeNot available51-200 employees
HeadquartersBerlin, GermanySeattle, WA

Where these sit in AI Observability

  • Langfuse$29 / month
  • AI Observability median$79.5 / month

Typical monthly range: $39.25–$186.75 per seat. 32% are priced on request.

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