kitio.aiLangGraph vs Agent Development Kit
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Agent Development Kit is completely free, while LangGraph is freemium.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Graph-based agent design
- Persistent state
- Human-in-the-loop
- Streaming
- Python and JavaScript
- Multi-agent composition
- Workflow agents
- Local dev UI
- Built-in evaluation
- Multi-language SDKs
| Feature | LangGraph | Agent Development Kit |
|---|---|---|
| Best for | Low-level framework for building stateful, controllable agents | Google's open-source toolkit for building and deploying agents |
| Category | Agents & automation | Agents & automation |
| Pricing model | Freemium | Free |
| Starting price | $39/mo | Free |
| Free plan | Yes | Yes, fully free |
| Made by | LangChain | |
| Based in | United States | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Pricing compared
Agent Development Kit is completely free, while LangGraph is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Developer
Free
- 1 seat
- 5k base traces / month, then pay as you go
- Community support
Plus
$39/mo
- Per seat
- 10k base traces / month, then pay as you go
- Access to Deployment and Engine
- Unlimited seats
Enterprise
Custom
- Self-hosted and hybrid deployment
- Custom SSO, ABAC and RBAC
- Support SLA
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
LangGraph
- Fine control over agent behavior
- Strong persistence model
- Widely used in production
- Steeper learning curve
- More code than no-code builders
Agent Development Kit
- Backed by Google
- Several programming languages
- Easy path to Google Cloud
- Best experience is on Google Cloud
- Code-first only
Which one should you choose?
Choose LangGraph if you want:
- Fine control over agent behavior
- Strong persistence model
- Widely used in production
Watch out: steeper learning curve.
Choose Agent Development Kit if you want:
- Backed by Google
- Several programming languages
- Easy path to Google Cloud
Watch out: best experience is on google cloud.
LangGraph vs Agent Development Kit FAQ
What is the difference between LangGraph and Agent Development Kit?
LangGraph: Low-level framework for building stateful, controllable agents. Agent Development Kit: Google's open-source toolkit for building and deploying agents. Both are agents & automation tools.
Is LangGraph or Agent Development Kit cheaper?
Agent Development Kit is completely free, while LangGraph is freemium.
Do LangGraph and Agent Development Kit have free plans?
LangGraph: Yes. Agent Development Kit: Yes, fully free.
Who makes LangGraph?
LangGraph is made by LangChain, based in United States.
Who makes Agent Development Kit?
Agent Development Kit is made by Google, based in United States.
Which should I choose, LangGraph or Agent Development Kit?
Choose LangGraph if you value fine control over agent behavior and strong persistence model. Choose Agent Development Kit if you value backed by google and several programming languages.