vioscaleAI
Comparison

Langfuse vs Lunary

No clear leader: Lunary (70.3) and Langfuse (66.4) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Langfuse full profile →Lunary full profile →
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Langfuse66
Lunary70
Score
vioscaleAI score
Langfuse66 / 100medium · 56%
Lunary70 / 100medium · 73%
Pricing
Free tier
Langfuse✓
Lunary✓
Model
Langfusefreemium
Lunaryfreemium
Price level
Langfusefree
Lunarylow
Starting price
Langfuse–
Lunary$0.05
Transparent
Langfuse✗
Lunary✓
Integrations
Count
Langfuse100
Lunary31
Security
Certifications
Langfuse–
LunarySOC 2 Type II
Gdpr
Langfuse✓
Lunary✓
Hipaa
Langfuse✓
Lunary–
Iso27001
Langfuse✓
Lunary✓
Soc2
Langfuse✓
Lunary✓
Trust center
Vulnerabilities
Reliability
Sla pct
Langfuse–
Lunary99.9
Status page
Langfuse✓
Lunary–
Adoption
Dependent repos
Langfuse0
Lunary–
Github stars
Langfuse35,781
Lunary–
Package downloads weekly
Langfuse6,493,381
Lunary–
Activity
Commits last 30d
Langfuse100
Lunary–
Release
History
Langfuse20 items
Lunary–
License
Spdx
LangfuseMIT
Lunary–
Language
Primary
LangfuseTypeScript
Lunary–
Market
Availability
Content
Faq
Langfuse7 items
Lunary7 items

Capabilities

Feature-by-feature on the axes that matter for llm observability. “-” means undocumented, not absent.

Capabilities
Architecture model
LangfuseOpen source self hosted
LunaryManaged cloud saas
Token cost and latency waterfall charts
Langfuse✓
Lunary✓
Opentelemetry openllmetry native export support
Langfuse✓
Lunary✓
Prompt playground and in dashboard replay
Langfuse✓
Lunary✓
Multi step agentic workflow distributed tracing
Langfuse✓
Lunary✓
User feedback score API for thumbs up down tags
Langfuse✓
Lunary✗
Pii redaction and prompt content masking
Langfuse-
Lunary✓
Production ab testing of system prompts
Langfuse-
Lunary✓
Automated anomaly detection for rate limits
Langfuse-
Lunary✓
Native integration with langchain and llamaindex
Langfuse✓
Lunary✓
SOC2 type ii
Langfuse-
Lunary✓
Mit or apache permissive oss license
Langfuse-
Lunary✗
Pricing model
LangfuseFree open source
LunaryPer user seat

What each one is

The product in its own terms, so the numbers below have context.

Langfuse

A comprehensive observability and development platform that combines tracing, prompt management, evaluation, and experimentation, enabling teams to understand LLM behavior in production and ship improved applications with confidence

Independently observed

Lunary

A platform for teams to monitor LLM performance, manage prompts collaboratively, and deploy AI agents with real-time performance tracking and cost analysis. Supports logging, prompt templates, agent monitoring, and integrations with popular LLM providers.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Langfuse

SubscriptionFree tier

Multiple tiers available; specific pricing not shown in provided text

  • HobbyFree
  • Core-
  • Enterprise-
as of verify ↗

Lunary

from $0.05/query/moSubscriptionFree tier

From $20/user/month cloud. Free self-hosted community edition.

  • Team$20/user/mo, then $10/50k events and $0.05/query overage
    • 50,000 events per month
    • 300 AI Playground queries per month
    • Unlimited projects
    • 1 year history
    • Prompt management
    • +8 more
  • EnterpriseContact sales
    • SSO / SAML
    • Granular Access Control
    • 99.9% SLA
    • White labeling
    • Data Warehouse connectors
    • +4 more
  • Self-hosted CommunityFree
  • Self-hosted EnterpriseContact sales
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Langfuse✓
Lunary✓
Deployment
Cloud / SaaS
Langfuse✓
Lunary✓
Self-hosted
Langfuse✓
Lunary✓
On-premise
Langfuse✗
Lunary✓
Hybrid
Langfuse✗
Lunary✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (6)
  • LangChain
  • LiteLLM
  • LlamaIndex
  • OpenAI
  • Anthropic
  • Azure OpenAI

Langfuse

24 total - 18 not shared
  • Vercel AI SDK
  • Pydantic AI
  • Google ADK
  • CrewAI
  • LiveKit
  • Haystack
  • Amazon Bedrock
  • Mistral AI
  • Google Gemini
  • xAI
  • vLLM
  • Groq
  • OpenAI SDK
  • Cohere
  • Elasticsearch
  • OpenSearch
  • Hugging Face
  • OpenTelemetry
Independently observed

Lunary

32 total - 26 not shared
  • Flowise
  • OpenRouter
  • IBM WatsonX
  • Mistral
  • Grok
  • Fireworks AI
  • AWS Bedrock
  • Ragas
  • Langflow
  • PowerBI
  • Tableau
  • MySQL
  • Amplitude
  • Airbyte
  • Segment
  • Slack
  • Zapier
  • Redshift
  • PostHog
  • OpenLLMetry
  • Databricks
  • Snowflake
  • BigQuery
  • Email/SMTP
  • +2 more
Independently observed
Still deciding?

Langfuse or Lunary: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.