kitio.aiLangGraph vs Hermes Agent
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. LangGraph starts at $39/mo and Hermes Agent starts at See pricing page. Check both pricing pages for current plans.
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
- Editable Markdown memory
- Scheduled jobs
- Local, Docker or cloud runtime
- Approval modes
- Command allowlists
| Feature | LangGraph | Hermes Agent |
|---|---|---|
| Best for | Low-level framework for building stateful, controllable agents | Open-source personal agent with editable Markdown memory |
| Category | Agents & automation | Agents & automation |
| Pricing model | Freemium | Freemium |
| Starting price | $39/mo | See pricing page |
| Free plan | Yes | Yes |
| Made by | LangChain | Nous Research |
| Based in | United States | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
LangGraph starts at $39/mo and Hermes Agent starts at See pricing page. Check both pricing pages for current plans.
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
Hermes Agent
- Transparent, editable memory
- Flexible places to run it
- Good safety controls
- Requires setup and maintenance
- Model costs are separate
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 Hermes Agent if you want:
- Transparent, editable memory
- Flexible places to run it
- Good safety controls
Watch out: requires setup and maintenance.
LangGraph vs Hermes Agent FAQ
What is the difference between LangGraph and Hermes Agent?
LangGraph: Low-level framework for building stateful, controllable agents. Hermes Agent: Open-source personal agent with editable Markdown memory. Both are agents & automation tools.
Is LangGraph or Hermes Agent cheaper?
LangGraph starts at $39/mo and Hermes Agent starts at See pricing page. Check both pricing pages for current plans.
Do LangGraph and Hermes Agent have free plans?
LangGraph: Yes. Hermes Agent: Yes.
Who makes LangGraph?
LangGraph is made by LangChain, based in United States.
Who makes Hermes Agent?
Hermes Agent is made by Nous Research, based in United States.
Which should I choose, LangGraph or Hermes Agent?
Choose LangGraph if you value fine control over agent behavior and strong persistence model. Choose Hermes Agent if you value transparent, editable memory and flexible places to run it.