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Langfuse vs PromptLayer

Langfuse logo
LangfuseAI Observability
From $29 / moPublished price
PromptLayer logo
PromptLayerPrompt Engineering Tools
From $50 / seat / moPublished price
Langfuse logo
Langfuse
AI Observability

Open-source LLM engineering platform.

PromptLayer logo
PromptLayer
Prompt Engineering Tools

Prompt engineering, evals, and observability for production AI.

Overview
CategoryAI ObservabilityPrompt Engineering Tools
What it isLangfuse is an open-source platform for tracing, prompt management, evaluations, and observability across LLM applications and agent systems.PromptLayer is a platform for prompt management, AI observability, evaluation workflows, and release control across LLM apps and agent systems.
Pricing
Published priceFrom $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,…
From $50 / seat / mo
Free tier ($0) with up to ~5,000 requests and 7-day log retention. Pro is $50/user/mo with unlimited log retention and advanced features. Enterprise is custom-quoted, adding SSO/R…
Pricing modelTiered plansTiered plans
Free optionsFree plan · Free trialFree plan · No free trial
Deal on CubbieNone right nowNone right now
Company
Founded20222021
HeadquartersBerlin, GermanyNew York City, NY

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