Langfuse vs Laminar

Langfuse9.3Visit Laminar8.7Visit

Higher score Langfuse #2 in LLM Observability Tools 9.3/10 Free plan Free plan✓ 6 of 6 features Visit Langfuse

vs

Laminar #8 in LLM Observability Tools 8.7/10 Free plan Free plan✓ 6 of 6 features Visit Laminar

• Langfuse fits best

  Teams seeking balanced open-source observability

• Laminar fits best

  Developers focused on deep trace investigation

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Side by side

Feature	Langfuse 9.3/10 Visit ↗	Laminar 8.7/10 Visit ↗
At a glance
Editor score	9.3	8.7
Ranking	#2 in LLM Observability Tools	#8 in LLM Observability Tools
Best for	Teams seeking balanced open-source observability	Developers focused on deep trace investigation
Pricing model	Free plan + paid	Free plan + paid
Starting price	$29/mo (best)	$30/mo
Free plan	✓	✓
Free trial	—	—
Deployment	Cloud, Self-hosted	Cloud, Self-hosted
Platforms	Web	Web
Support	Email, Live chat, Community, Docs	Email, Community, Docs
Compliance	SOC 2, ISO 27001, GDPR, HIPAA	SOC 2, HIPAA
Integrations	100+ integrations	13 integrations
Built for	Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features Langfuse 6/6 · Laminar 6/6
LLM tracing	✓	✓
LLM evaluations	✓	✓
Prompt management	✓	✓
Agent tracing	✓	✓
Retrieval tracing	✓	✓
Token cost tracking	✓	✓
Specs
Deployment options	Both	Both
Our review
Pros	Traces agents, tools, retrieval steps, prompts, costs, and evaluations Supports managed cloud and self-hosted deployment Includes OpenTelemetry, SDK, framework, model, and workflow integrations	Traces LLM calls, tool calls, and sub-agent activity Combines failure signals, evaluations, prompt experiments, and SQL access Offers cloud and self-hosted deployment, including on-premise for Enterprise
Cons	Hobby limits usage, data access, and seats Enterprise SSO and RBAC require the Teams Add-on Advanced governance and SLA features are reserved for Enterprise	Free retention is limited to 7 days Starter and Pro require monthly subscriptions Enterprise pricing and limits are custom
Our verdict	Langfuse is an open-source platform for teams building and operating LLM applications. It captures hierarchical traces for model calls, agents, tool calls, and retrieval steps, while also covering prompt versioning, evaluations, datasets,… Read the review →	Laminar is an open-source observability platform for AI agents and LLM applications. It captures LLM calls, tool calls, sub-agent activity, token usage, costs, and application traces in a transcript-style interface. Developers… Read the review →

Strengths and trade-offs

• Langfuse — where it wins

  • Traces agents, tools, retrieval steps, prompts, costs, and evaluations
  • Supports managed cloud and self-hosted deployment
  • Includes OpenTelemetry, SDK, framework, model, and workflow integrations

  Where it doesn't

  • Hobby limits usage, data access, and seats
  • Enterprise SSO and RBAC require the Teams Add-on
  • Advanced governance and SLA features are reserved for Enterprise

• Laminar — where it wins

  • Traces LLM calls, tool calls, and sub-agent activity
  • Combines failure signals, evaluations, prompt experiments, and SQL access
  • Offers cloud and self-hosted deployment, including on-premise for Enterprise

  Where it doesn't

  • Free retention is limited to 7 days
  • Starter and Pro require monthly subscriptions
  • Enterprise pricing and limits are custom

• Langfuse9.3/10 · Free plan

  A broad observability platform with open-source deployment and accessible paid tiers.

  Visit LangfuseFull verdict →
• Laminar8.7/10 · Free plan

  A broad observability platform for tracing agents, costs, failures, and evaluations.

  Visit LaminarFull verdict →