LangGraph vs Stack AI
Updated June 2026 · A structured head-to-head comparison.
The verdict
Both LangGraph and Stack AI are credible ai agents tools, and the right pick comes down to your priorities.
LangGraph — Build stateful, controllable agent workflows.
Stack AI — No-code platform for enterprise AI agents.
LangGraph vs Stack AI: side by side
| Dimension | LangGraph | Stack AI |
|---|---|---|
| Starting price | Free | Free – $199/mo |
| Free plan | Yes | Yes |
| Pricing model | Open source | Freemium |
| Best for | Developers, Ai Engineers, Enterprise | Enterprise, Smb, Teams |
| Platforms | Self Hosted, Api, Web | Web, Api |
| Rating | 4.5/5 | 4.5/5 |
LangGraph key facts
- Vendor
- LangChain
- Pricing
- Open source — Free
- Free tier
- Yes
- Platforms
- Self Hosted, Api, Web
- Best for
- Developers, Ai Engineers, Enterprise
- Editor rating
- 4.5 / 5
- Founded
- 2024
- Headquarters
- San Francisco, CA, USA
Stack AI key facts
- Vendor
- Stack AI
- Pricing
- Freemium — Free – $199/mo
- Free tier
- Yes
- Platforms
- Web, Api
- Best for
- Enterprise, Smb, Teams
- Editor rating
- 4.5 / 5
- Founded
- 2022
- Headquarters
- New York, NY, USA
Frequently asked questions
Is LangGraph better than Stack AI?
Neither is universally better — LangGraph edges ahead on overall rating, but the best choice depends on price, platforms, and your use case. See the side-by-side table above.
Is LangGraph or Stack AI cheaper?
LangGraph is the more affordable of the two to get started, at free. LangGraph starts at free; Stack AI starts at free – $199/mo.
Can LangGraph replace Stack AI?
Yes for most teams — both are ai agents tools with heavily overlapping features. The main trade-offs are pricing and platform support, covered in the comparison above.