Comparison

LangChain vs Langfuse

On the evidence we track, LangChain leads this comparison with a composite score of 79/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★LangChain79
Langfuse66
Score
vioscaleAI score
LangChain79 / 100medium · 69%
Langfuse66 / 100medium · 56%
Pricing
Free tier
LangChain✓
Langfuse✓
Model
LangChainfreemium
Langfusefreemium
Price level
LangChainmid
Langfusefree
Starting price
LangChain$39
Langfuse–
Transparent
LangChain✓
Langfuse✗
Integrations
Count
LangChain1,000
Langfuse100
Reliability
Sla pct
LangChain99.5
Langfuse–
Status page
LangChain✓
Langfuse✓
Adoption
Dependent repos
LangChain18,663
Langfuse0
Github stars
LangChain147,461
Langfuse35,781
Package downloads weekly
LangChain3,725,877
Langfuse6,493,381
Activity
Commits last 30d
LangChain100
Langfuse100
Release
History
LangChain20 items
Langfuse20 items
License
Spdx
LangChainMIT
LangfuseMIT
Language
Primary
LangChainPython
LangfuseTypeScript
Market
Availability
Content
Faq
LangChain8 items
Langfuse7 items

Capabilities

Feature-by-feature on the axes that matter for mlops & llmops tools. “-” means undocumented, not absent.

Core
Tool role
LangChainLLM observability / eval
LangfuseLLM observability / eval
Deployment
Self-hostable / OSS core
LangChain✓
Langfuse✓
Managed cloud available
LangChain✓
Langfuse✓
On-prem / VPC deployment
LangChain✓
Langfuse✓
Observability
LLM tracing / observability
LangChain✓
Langfuse✓
Evaluation (offline / LLM-judge / human)
LangChain✓
Langfuse✓
Dev
Prompt management + versioning
LangChain✓
Langfuse✓
Tracking
Experiment tracking / model registry
LangChain✓
Langfuse✓
Serving
Model serving / inference endpoint
LangChain✓
Langfuse✗
Interop
OpenTelemetry / OpenLLMetry compatible
LangChain✓
Langfuse✓
Framework-agnostic
LangChain✓
Langfuse✓
Gateway
Multi-provider model support
LangChain✓
Langfuse✓
Data
No-train-on-customer-data guarantee
LangChainUnknown
Langfuse-

What each one is

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

LangChain

Leader

A unified developer platform consisting of open-source frameworks and commercial tools for building, testing, monitoring, and deploying AI agents and LLM-powered applications.

Independently observed

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

Pricing

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

LangChain

Leader
from $39/seat/moHybridFree tier

Free Developer plan. Plus plan from $39/user/mo with unlimited seats. Enterprise custom pricing billed annually.

  • DeveloperFree
    • 1 free seat
    • 5000 base traces per month
    • Full LangSmith access
  • Plus$39/seat/month, unlimited seats, 10k traces/month included
    • Unlimited seats
    • 10000 base traces per month
    • 1 free small serverless deployment
    • Team collaboration
    • LangSmith Deployment service access
  • EnterpriseContact sales
    • Advanced administration options
    • Enhanced security controls
    • Priority support
    • Custom deployment options
as of verify ↗

Langfuse

SubscriptionFree tier

Multiple tiers available; specific pricing not shown in provided text

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

Platform & deployment

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

Platforms
Web
LangChain✓
Langfuse✓
Deployment
Cloud / SaaS
LangChain✓
Langfuse✓
Self-hosted
LangChain✓
Langfuse✓
Hybrid
LangChain✓
Langfuse✗

Integrations

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

In common (4)
  • OpenAI
  • Anthropic
  • Cohere
  • Azure OpenAI

LangChain

Leader
11 total - 7 not shared
  • Google
  • Azure AI Search
  • Microsoft Fabric
  • Azure Kubernetes Service
  • OpaquePrompts
  • AWS
  • MCP (Model Context Protocol)
Independently observed

Langfuse

24 total - 20 not shared
  • LangChain
  • Vercel AI SDK
  • LiteLLM
  • Pydantic AI
  • Google ADK
  • CrewAI
  • LiveKit
  • Haystack
  • LlamaIndex
  • Amazon Bedrock
  • Mistral AI
  • Google Gemini
  • xAI
  • vLLM
  • Groq
  • OpenAI SDK
  • Elasticsearch
  • OpenSearch
  • Hugging Face
  • OpenTelemetry
Independently observed
Still deciding?

LangChain or Langfuse: 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.