LangGraph vs LangChain: Which is Better in 2026?
Choosing between LangGraph and LangChain comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
LangGraph
Build robust, stateful, and multi-actor applications with cyclical computational graphs.
Best for you if:
- • You need something completely free
- • You need developer tools features specifically
- • Enables building stateful, multi-actor applications.
- • Extends LangChain Expression Language with cyclical graphs.
LangChain
Build LLM-powered applications
Best for you if:
- • You need AI agents features specifically
- • Platform for building, evaluating, and deploying AI agents.
- • Offers open-source frameworks (LangChain, LangGraph) and a commercial platform (LangSmith) for end-to-end agent development.
| At a Glance |  LangChain | |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | Developer Tools | AI Agents |
Rating | - | 4.7/5 |
Choose LangGraph or LangChain?
Choose LangGraph if
Build robust, stateful, and multi-actor applications with cyclical computational graphs.
- Allows for more sophisticated and robust AI agent design
- Manages state effectively across multiple computational steps
- Provides a structured approach to complex AI workflows
- You want a fully free tool (LangChain requires payment)
- Your work is developer tools-shaped, not AI agents-shaped
Choose LangChain if
Build LLM-powered applications
- Great for AI apps
- Active development
- Large community
- Your work is AI agents-shaped, not developer tools-shaped
| Feature | LangGraph | LangChain |
|---|---|---|
| Pricing Model | Free | Freemium |
| User Rating | No ratings yet | ★4.7/5 41 reviews |
| Categories | Developer ToolsAI Agents | AI AgentsDeveloper Tools |
In-Depth Analysis
LangGraph
Build robust, stateful, and multi-actor applications with cyclical computational graphs.
Strengths
- +Allows for more sophisticated and robust AI agent design
- +Manages state effectively across multiple computational steps
- +Provides a structured approach to complex AI workflows
- +Extends existing LangChain capabilities for advanced use cases
Weaknesses
- -Requires familiarity with LangChain and LCEL
- -Complexity can be higher than linear chains for simple tasks
Key features
LangChain
Build LLM-powered applications
Strengths
- +Great for AI apps
- +Active development
- +Large community
Weaknesses
- -Fast changing API
- -Can be complex
Key features
Pricing: LangGraph vs LangChain
| Plan | LangGraph | LangChain |
|---|---|---|
| Tier 1 | N/A | Free Developer |
| Tier 2 | N/A | $39 month Plus |
| Tier 3 | N/A | custom Enterprise |
Pricing verified from each vendor's public pricing page. Compare in detail on LangGraph pricing and LangChain pricing.
Who Should Use What?
On a budget?
LangGraph is free. LangChain is freemium.
Go with: LangGraph
Want the highest-rated option?
LangChain is rated 4.7/5. LangGraph has no ratings yet.
Go with: LangChain
Value user reviews?
LangGraph: no ratings yet. LangChain: 41 reviews (4.7/5).
Go with: LangChain
3 Questions to Help You Decide
What's your budget?
LangGraph is free. LangChain is freemium. Go with LangGraph if free matters most.
What's your use case?
LangGraph is a developer tools tool. LangChain is in AI agents. Pick the category that matches your needs.
How important are ratings?
LangChain is rated 4.7/5; LangGraph has no ratings yet.
Key Takeaways
LangChain
- Free tier available
- Our pick for this comparison
LangGraph
- Completely free
- Better fit for developer tools
The Bottom Line
LangChain is our pick. That said, LangGraph is free, hard to beat on price.
Frequently Asked Questions
Is LangGraph or LangChain better?
LangChain is rated in our evaluation. LangGraph is free and LangChain is freemium.
What are LangGraph and LangChain used for?
LangGraph: Build robust, stateful, and multi-actor applications with cyclical computational graphs.. LangChain: Build LLM-powered applications.
What does LangGraph cost vs LangChain?
LangGraph is completely free. LangChain is freemium (free tier + paid plans). Visit their websites for detailed pricing.