vioscaleAI
Comparison

LangChain vs Metaflow

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.

LangChain full profile →Metaflow full profile →
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★LangChain79
Metaflow56
Score
vioscaleAI score
LangChain79 / 100medium · 69%
Metaflow56 / 100medium · 63%
Pricing
Free tier
LangChain✓
Metaflow✓
Model
LangChainfreemium
Metaflowopen_source
Price level
LangChainmid
Metaflowfree
Starting price
LangChain$39
Metaflow–
Transparent
LangChain✓
Metaflow–
Integrations
Count
LangChain1,000
Metaflow3
Security
Disclosure policy
LangChain✓
Metaflow–
Gdpr
LangChain✓
Metaflow–
Hipaa
LangChain✓
Metaflow–
Iso27001
LangChain✓
Metaflow–
Scorecard
LangChain5.8
Metaflow6.9
Soc2
LangChain✓
Metaflow–
Trust center
Vulnerabilities
Reliability
Sla pct
LangChain99.5
Metaflow–
Status page
LangChain✓
Metaflow✓
Adoption
Dependent repos
LangChain18,663
Metaflow106
Github stars
LangChain147,461
Metaflow10,304
Package downloads weekly
LangChain3,725,877
Metaflow103,395
Activity
Commits last 30d
LangChain100
Metaflow13
Release
Cadence days
LangChain–
Metaflow5
History
LangChain20 items
Metaflow20 items
License
Spdx
LangChainMIT
MetaflowApache-2.0
Language
Primary
LangChainPython
MetaflowPython
Market
Availability
Content
Faq
LangChain8 items
Metaflow7 items

Capabilities

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

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

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

Metaflow

An open-source tool that enables data scientists and engineers to move from local experimentation to scalable production systems, with features for tracking experiments, versioning data and models, and orchestrating compute across multiple cloud platforms or self-hosted infrastructure.

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 ↗

Metaflow

Open sourceFree tier
as of verify ↗

Platform & deployment

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

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

Integrations

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

In common (1)
  • AWS

LangChain

Leader
11 total - 10 not shared
  • OpenAI
  • Anthropic
  • Cohere
  • Google
  • Azure OpenAI
  • Azure AI Search
  • Microsoft Fabric
  • Azure Kubernetes Service
  • OpaquePrompts
  • MCP (Model Context Protocol)
Independently observed

Metaflow

4 total - 3 not shared
  • Azure
  • Google Cloud
  • IPython
Independently observed
Still deciding?

LangChain or Metaflow: 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.