Langfuse vs WhyLabs

Side-by-side comparison of framework coverage, pricing, capabilities, and target customers. Last verified recently.

Canonical URL: https://aicompliancevendors.com/compare/langfuse-vs-whylabs

Langfuse

Open Source LLM Engineering Platform

Langfuse is an open-source LLM observability platform that provides tracing, evaluations, prompt management, and analytics for debugging and improving LLM applications and agents. Key differentiators include model/framework-agnostic SDKs, OpenTelemetry compatibility, self-hosting option, and integrated workflow for observability, experiments, and human annotation. Typical buyers are AI engineering teams at startups to Fortune 50 companies developing production AI products. Notable: Acquired by ClickHouse in January 2026; supports compliance certifications like SOC 2 Type II, ISO 27001, GDPR, HIPAA eligible.

Last verified April 24, 2026Berlin, Germany

WhyLabs

The AI Observability Platform

WhyLabs provided an AI observability platform for monitoring machine learning models, data pipelines, and generative AI applications in real-time. Key differentiators included privacy-preserving data logging via open-source whylogs, LLM monitoring with langkit, drift detection, and low-latency threat detection without data movement. Targeted ML engineers and data scientists at Fortune 100 companies to AI startups in regulated sectors like financial-services and healthcare. Company discontinued commercial operations in 2025 following reported acquisition by Apple, open-sourcing its platform; tools remain available on GitHub.

Last verified April 24, 2026Seattle, US

What the data shows

We haven't published an editorial verdict on this pair yet. The comparison below is built from public vendor materials and our taxonomy — no editorialized ranking.

  • Shared framework coverage: None documented in common.
  • Only WhyLabs covers: SOC 2
  • Shared capabilities: 3 of 8 listed.

Want our editorial take? Email the editors or read our methodology.

At a glance

AttributeLangfuseWhyLabs
Founded20232019
HeadquartersBerlin, GermanySeattle, US
Employees11-5011-50
Funding$4M total (Seed, November 2023)$14M total (Series A, 2021)
PricingContact for pricingContact for pricing
WebsiteVisit siteVisit site

Framework coverage

FrameworkLangfuseWhyLabs
SOC 2—Comprehensive

Capabilities

CapabilityLangfuseWhyLabs
AI Model Inventory—✓
Agent Tracing✓—
Bias & Fairness Testing—✓
Drift Detection✓✓
LLM Evaluation✓✓
LLM Guardrails & Content Filtering—✓
Model Monitoring✓✓
Prompt Management✓—

Industries served

Langfuse

  • None listed

WhyLabs

  • Financial Services
  • Healthcare
  • Retail & E-commerce
  • Manufacturing

Integrations

Langfuse

  • OpenAI API
  • Anthropic API
  • LangChain
  • LlamaIndex
  • Vercel AI SDK
  • LiteLLM
  • CrewAI
  • Amazon Bedrock
  • Azure OpenAI Service
  • Mistral AI
  • Groq
  • GitHub

WhyLabs

  • PyTorch
  • TensorFlow
  • scikit-learn
  • Apache Spark
  • Ray
  • OpenAI API

Get quotes from both

Want a side-by-side proposal? Send a single structured request to Langfuse and WhyLabs and each will reply with scope, pricing, and timelines. You'll see exactly what we share before submitting.

Get quotes from both →Quote from Langfuse onlyQuote from WhyLabs only

Vendors pay a flat per-lead fee when they receive a qualified request. That fee does not influence what you see on this page. Details.

Editorial independence: This comparison is free and was not paid for by either vendor. See our methodology.