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Fiddler AI vs Langfuse

Fiddler AI logo
Fiddler AIAI Observability
Langfuse logo
LangfuseAI Observability
From $29 / moPublished price
Fiddler AI logo
Fiddler AI
AI Observability

See Every Action. Understand Every Decision. Control Every Outcome.

Langfuse logo
Langfuse
AI Observability

Open-source LLM engineering platform.

Overview
CategoryAI ObservabilityAI Observability
What it isAI observability platform for monitoring, explaining, and analyzing ML model predictions in production.Langfuse is an open-source platform for tracing, prompt management, evaluations, and observability across LLM applications and agent systems.
Pricing
Published priceFiddler AI does not publish a current, citable numeric self-serve price. Pricing is provided through sales based on deployment scope and requirements.From $29 / mo
Open-source with a managed cloud. Free Hobby tier includes 50k units/mo, 30-day data access, 2 users. Paid Core starts at $29/mo (100k units, then $8/100k units, unlimited users,…
Pricing modelTiered plansTiered plans
Free optionsFree plan · No free trialFree plan · Free trial
Deal on CubbieNone right nowNone right now
Company
Founded20182022
Team size51-200 employeesNot available
HeadquartersPalo Alto, CABerlin, Germany

Where these sit in AI Observability

  • Langfuse$348
  • AI Observability median$1,188

Per seat, per year, across 8 products publishing a price. Half of AI Observability sits between $480 and $2,388, and 32% of its plans are priced on request. Fiddler AI states a range rather than a single yearly figure, so it is not marked here.

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