LangChainThe open agent platform to own your intelligence
vs
Stack AIAI Agents for the Enterprise
Comparison · AI Agents · weekly run Nov 3
LangChain vs Stack AI
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
LangChain is the stronger AI pick in AI Agents: it has a visibility score of 10.4 versus 1.4 for Stack AI.
Choose LangChain if…
- You want the brand AI engines rank higher (10.4 vs 1.4)
- AI answers describe it more positively (17% vs 0% positive)
- You need a self-hosted or on-premises option
- You prefer a larger, established vendor (201–500 employees)
Choose Stack AI if…
- You need HIPAA or GDPR or SOC 2 Type II or ISO 27001 coverage
- Usage-based pricing suits your budget better than per seat
- hosted no-code agent builders
- free tiers for experimenting
AI visibility side by side
Latest weekly run · Nov 3
| Metric | LangChain | Stack AI |
|---|---|---|
| Visibility score | 10.4% | 1.4% |
| Change vs last week | New | New |
| Rank in AI Agents | #12 | #51 |
| Share of voice | 2.7% | 0.4% |
| Mentions this run | 18 | 3 |
| Positive in AI answers | 17% | 0% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
LangChain 0pp · Stack AI 0pp over 0 weekly runs.
Engine by engine
LangChain leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
LangChainStack AI
Head to head in AI answers
0 engine answers name both brands
0LangChain ranked higher
0Stack AI ranked higher
Features, pricing & fit
| Dimension | LangChain | Stack AI |
|---|---|---|
| Pricing model | Per seat | Usage-based |
| Entry price | Free; paid from $39 per seat / mo | Contact sales |
| Free plan | Yes | Yes |
| Deployment | Cloud (SaaS), hybrid (SaaS control plane with self-hosted data plane), or self-hosted in the customer's VPC | Multi-tenant cloud, VPC, or on-premise |
| Integrations | — | 500+ |
| Compliance | — | HIPAA, GDPR, SOC 2 Type II, ISO 27001 |
| Support | Community forum, Support portal, Email support, Slack | Community support on Discord, Email support, Priority support, Dedicated support |
| Founded | 2023 | 2023 |
| Headquarters | San Francisco, CA, United States | San Francisco, CA, United States |
| Employees | 201–500 | 51–200 |
| Funding | Series B, led by IVP | Series A · $19M raised |
| Best for | Teams building agents that need control over models, context, memory and deployment, and the ability to test, govern and improve them in production | 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
LangChain
Developer$0seat per month, then pay as you go
Plus$39seat per month, then pay as you go
EnterpriseCustomcustom pricing, then pay as you go
Pros and cons
Themes from the AI answers that mention each brand
LangChain
- Stateful multi-agent orchestration via state graphs
- Strong open-source adoption with large download numbers
- Suited to enterprise agent loops
- Heavy developer framework that requires coding
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, “LangChain vs Stack AI”, https://slateindex.ai/compare/langchain-vs-stack-ai, data of Nov 3, 2026. Licence: CC BY 4.0.