Comparison

AG2 vs LangChain

On the evidence we track, LangChain leads this comparison with a composite score of 81/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
AG252
LangChain81
Score
Vioscale score
AG252 / 100low · 35%
LangChain81 / 100medium · 70%
Pricing
Free tier
AG2
LangChain
Model
LangChainfreemium
Price level
AG2low
LangChainmid
Starting price
AG2
LangChain$39
Transparent
AG2
LangChain
Integrations
Count
AG28
LangChain1,000
Reliability
Sla pct
AG2
LangChain99.5
Status page
AG2
LangChain
Adoption
Dependent repos
AG20
LangChain18,663
Github stars
LangChain145,063
Package downloads weekly
AG2
LangChain2,967,570
Activity
Commits last 30d
AG264
LangChain100
Release
Cadence days
AG27
LangChain
History
LangChain20 items
License
Spdx
LangChainMIT
Language
Primary
LangChainPython

Capabilities

Feature-by-feature on the axes that matter for ai agent frameworks. “-” means undocumented, not absent.

Capabilities
Orchestration model
AG2Multi agent hierarchical
LangChainMulti agent sequential
Model provider agnostic
AG2
LangChain
Tool function calling
AG2
LangChain
Code execution sandbox
AG2-
LangChain
Memory architecture
AG2Persistent
LangChainPersistent
Mcp support
AG2
LangChain
A2a support
AG2
LangChain
Human in the loop
AG2
LangChain
Streaming output
AG2
LangChain
Structured output
AG2
LangChain-
Multi language SDK
AG2-
LangChain
Deployment model
AG2Library self hosted
LangChainManaged platform
Open source
AG2
LangChain
Pricing model
AG2-
LangChainUsage based saas

What each one is

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

AG2

AG2 is an open-source programming framework that enables developers to build, coordinate, and deploy systems of autonomous AI agents. It provides a universal runtime for agents to interact with various language models, access tools, and operate with or without human oversight.

Independently observed

LangChain

Leader

LangSmith provides observability through tracing to debug agent behavior, evaluation capabilities to test and score agents with human review and automated assessments, and deployment services to run agents at scale.

Independently observed

Pricing

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

AG2

HybridFree tier

Free open-source tier; paid tiers include subscriptions for managed services and usage-based charges for API calls and agent interactions

as of verify ↗

LangChain

Leader
from $39/seat/moSubscriptionFree tier

Free Developer plan (5k traces). Plus plan $39/seat/month. Enterprise custom. Usage-based pricing for compute (LCU=$1.50) and storage (LSU=$1.00).

  • DeveloperFree
    • 1 free seat
    • 5k base traces/month
    • Tracing and analytics
    • Access to LangSmith platform
  • Plus$39/seat/month + usage (LCU/LSU), 10k traces included, 1 free small deployment
    • Unlimited seats
    • 10k base traces/month
    • 1 free small serverless deployment
    • Full tracing and analytics
    • Evaluation tools
  • EnterpriseContact sales
    • Advanced administration
    • Dedicated support
    • Custom deployments
    • White-glove onboarding
    • Proactive monitoring
    • +1 more
as of verify ↗

Platform & deployment

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

Platforms
Web
AG2
LangChain
Deployment
Cloud / SaaS
AG2
LangChain
Self-hosted
AG2
LangChain
Hybrid
AG2
LangChain

Integrations

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

In common (2)
  • OpenAI
  • Anthropic

AG2

8 total - 6 not shared
  • Google ADK
  • LangChain
  • AG-UI Protocol
  • MCP
  • AgentSkills.io
  • SkillsMP
Independently observed

LangChain

Leader
9 total - 7 not shared
  • Cohere
  • Google
  • Azure OpenAI
  • Azure AI Search
  • Microsoft Fabric
  • Azure Kubernetes Service
  • OpaquePrompts
Independently observed

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