LangGraph vs Stack AI
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
LangGraph is the stronger AI pick in AI Agents: it has a visibility score of 24.4 versus 1.4 for Stack AI, and ranks ahead in 100% of the answers that name both.
Choose LangGraph if…
- You want the brand AI engines rank higher (24.4 vs 1.4)
- AI answers describe it more positively (44% vs 0% positive)
- You need a self-hosted or on-premises option
- You need ISO 27001:2022 coverage
Choose Stack AI if…
- You need ISO 27001 coverage
- hosted no-code agent builders
- free tiers for experimenting
- solid G2 and Slashdot ratings
AI visibility side by side
Latest weekly run · Nov 3
| Metric | LangGraph | Stack AI |
|---|---|---|
| Visibility score | 24.4% | 1.4% |
| Change vs last week | New | New |
| Rank in AI Agents | #4 | #51 |
| Share of voice | 5.3% | 0.4% |
| Mentions this run | 33 | 3 |
| Positive in AI answers | 44% | 0% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
LangGraph 0pp · Stack AI 0pp over 0 weekly runs.
Engine by engine
LangGraph leads on 3 of 3 engines
Head to head in AI answers
1 engine answers name both brands
| Prompt | Engine | LangGraph | Stack AI |
|---|---|---|---|
| Best AI agent platform for startups | Perplexity | #3 | #10 |
Features, pricing & fit
| Dimension | LangGraph | Stack AI |
|---|---|---|
| Pricing model | — | Usage-based |
| Entry price | — | Contact sales |
| Free plan | — | Yes |
| Deployment | SaaS in US and EU regions, plus self-hosted and hybrid options available on Enterprise only. | Multi-tenant cloud, VPC, or on-premise |
| Integrations | — | 500+ |
| Compliance | SOC 2 Type II, ISO 27001:2022, GDPR, HIPAA | HIPAA, GDPR, SOC 2 Type II, ISO 27001 |
| Support | — | Community support on Discord, Email support, Priority support, Dedicated support |
| Founded | — | 2023 |
| Headquarters | San Francisco | San Francisco, CA, United States |
| Employees | — | 51–200 |
| Funding | Series B | Series A · $19M raised |
| Best for | Teams building long-running, stateful AI agents. | IT teams and enterprise architecture teams that need to orchestrate, deploy, govern, and scale AI across the enterprise, including finance, risk and operations teams. |
Plans side by side
LangGraph
Pricing not available.
Pros and cons
Themes from the AI answers that mention each brand
LangGraph
- Production standard for stateful, multi-agent workflows
- Strong engineering control for complex, cyclical agent logic
- Widely adopted open-source developer framework
- Best choice for autonomous AI agents
- Heavy developer framework that requires coding effort
Stack AI
- hosted no-code agent builders
- free tiers for experimenting
- solid G2 and Slashdot ratings
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “LangGraph vs Stack AI”, https://slateindex.ai/compare/langgraph-vs-stack-ai, data of Nov 3, 2026. Licence: CC BY 4.0.