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About

LangChain is a powerful, composable framework designed for building, running, and managing applications powered by large language models (LLMs). It offers an array of tools for creating context-aware, reasoning applications, allowing businesses to leverage their own data and APIs to enhance functionality. LangChain’s suite includes LangGraph for orchestrating agent-driven workflows, and LangSmith for agent observability and performance management. Whether you're building prototypes or scaling full applications, LangChain offers the flexibility and tools needed to optimize the LLM lifecycle, with seamless integrations and fault-tolerant scalability.

About

StackAI is an enterprise AI automation platform to build end-to-end internal tools and processes with AI agents in a fully compliant and secure way. Designed for large, regulated organizations, it enables teams to automate complex workflows across operations, compliance, finance, IT, and support without heavy engineering. With StackAI you can: • Connect knowledge bases (SharePoint, Confluence, Notion, Google Drive, databases) with versioning, citations, and access controls • Publish AI agents as chat assistants, advanced forms, or APIs integrated into Slack, Teams, Salesforce, HubSpot, or ServiceNow • Govern usage with enterprise security: SSO (Okta, Azure AD, Google), RBAC, audit logs, PII masking, data residency, and cost controls • Route across OpenAI, Anthropic, Google, or local LLMs with guardrails, evaluations, and testing • Deploy in multi-tenant cloud, dedicated cloud, private cloud, or on-premise

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Developers searching for a framework for developing applications powered by language models

Audience

CIOs and IT teams, CTOs, legal teams, risk and compliance teams, business development teams, and more

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

Pricing

$0
StackAI offers a Free plan with 500 runs per month, 2 projects, and 1 seat to help teams get started quickly. For organizations that need to scale, the Enterprise plan provides unlimited usage, additional seats, advanced features, and enterprise-grade security. Enterprise pricing is customized to match each company’s needs.
Free Version Not Supported
Free Trial Supported

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

Reviews/Ratings

Overall 4.4 / 5
ease 4.3 / 5
features 4.1 / 5
design 4.6 / 5
support 3.8 / 5

Pros & Cons from Real Users

Pros

  • As an AI developer, I’ve worked with a wide range of frameworks and libraries, but LangChain has truly impressed me. It’s an incredibly powerful tool for building language models, providing an extensive set of functionalities that allow me to seamlessly integrate different components into my projects. One of the standout features of LangChain is its ease of use and flexibility. Whether you’re working on text generation, document search, or chain-based workflows, the framework’s modularity lets you combine various tools with minimal effort. The pros of LangChain are clear. First, its integration with numerous external APIs and services is top-notch, allowing me to connect language models with external data sources or even automate workflows. The documentation is well-organized and easy to follow, even for newcomers, and the active community provides plenty of resources for troubleshooting and learning. Additionally, LangChain's support for advanced use cases like memory management, multi-step chains, and prompt customization is invaluable for developing sophisticated AI applications.

Cons

  • The learning curve is steep, but once you get the hang of it, the framework becomes significantly more intuitive. Also, while LangChain offers a lot of versatility, it sometimes requires more fine-tuning to get optimal performance with specific models or use cases.

Pros from Real Users

Pros

  • Stack has a unique engagement process that is fantastically delivered. During our 3 month pilot, we had an AI specialist and an FDE that felt like part of our team. They were talented, took an interest in what we are building and made sure our success with the platform was top of mind. That is the people. The product is amazingly powerful, but not overwhelming. In a crowded AI world, if you need agentic workflows, I highly recommend starting with StackAI.
  • StackAI has been one of the most useful AI workflow platforms I have worked with. I really like how easy it is to build practical AI and automation workflows without getting buried in unnecessary complexity. The platform makes it possible to connect ideas, data, prompts, and business processes in a clear and structured way, which is especially helpful when moving from experimentation to real implementation. I also appreciate that the product feels flexible enough for technical users while still being approachable for people who want to build quickly and focus on outcomes.
  • - Stack has lots of different integrations out of the box, making it easy to connect to various systems my clients use every day. - Enterprise-grade security puts many of my clients minds at ease, particularly for financial services, law and private investigators.
  • StackAI is the most deployment-ready no-code/low-code AI agent platform I’ve used. As an AI workflow consultant, I’ve built and deployed multi-step agent workflows for clients across healthcare, financial services, and commercial real estate. The visual workflow builder is genuinely powerful and enterprise grade (and I’ve tested half dozen or so). The ability to chain LLM calls, connect to external APIs, and manage data pipelines without writing infrastructure code accelerates client delivery significantly. The Project Evaluator feature for testing and iterating on agent performance is a standout capability I haven’t seen matched elsewhere at this tier.
  • Stack AI's visual workflow builder is genuinely enterprise-grade. Multi-model support, RAG pipelines, and API deployment in one place. Replaced 3 separate tools for us. The no-code interface doesn't sacrifice depth .
  • The product covers the core use case well and is relatively easy to get started with. The interface is fairly intuitive once you spend some time with it, and it does help centralize tasks that would otherwise be spread across different tools. For basic needs, it works as expected and can save time compared to manual processes.
  • StackAI makes it genuinely easy to go from “we should try an AI assistant for this process” to something usable in production. The workflow builder is intuitive, RAG setup is straightforward, and the integrations/connectors cover most common SaaS tools. It’s great for quickly testing internal automations and customer-facing copilots, and iterating with non-ML teammates.
  • StackAI makes it really easy to turn ideas into actual workflows without needing to code. The visual builder is clear, the templates save you a ton of time, and once you get the hang of it, you can build pretty complex automations quickly. I also like how flexible it is when connecting data sources or tweaking logic on the fly.
  • Stack AI helps me automate small but important tasks without making it a whole project. I like that I can test ideas quickly and actually get them running in minutes. It feels light, fast, and not over-engineered.
  • What surprised me the most is how fast I can get something working. I just drag a few steps, test it, and it’s live. No long setup, no waiting on anyone. It’s the first AI tool where I actually ship things the same day I think of them.

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Supported
Live Online Supported
In Person Not Supported

Company Information

LangChain
Founded: 2022
United States
www.langchain.com

Company Information

StackAI
Founded: 2023
United States
www.stackai.com

Alternatives

Alternatives

LM-Kit.NET

LM-Kit.NET

LM-Kit
AgentKit

AgentKit

OpenAI
LangSmith

LangSmith

LangChain

Categories

Categories

Agentic AI Supported
AI Agent Builders Supported
AI Agents Supported
AI Automation Supported
AI Development Supported
AI Fine-Tuning Supported
AI Sales Agents Supported
AI Tools Supported
Chatbot Supported
Healthcare AI Supported
Task Automation Supported

Artificial Intelligence Features

Chatbot Supported
For eCommerce Supported
For Healthcare Supported
For Sales Supported
Image Recognition Supported
Machine Learning Supported
Multi-Language Supported
Natural Language Processing Supported
Predictive Analytics Not Supported
Process/Workflow Automation Supported
Rules-Based Automation Supported
Virtual Personal Assistant (VPA) Supported

No-Code Development Features

AI-Assisted Development Supported
Business Process Automation Supported
Collaborative Development Supported
Data Aggregation and Publishing Supported
Deployment Management Supported
Drag & Drop Supported
Integrations Management Not Supported
Iteration Management Not Supported
Performance Monitoring Supported
Requirements Management Not Supported
Templates Supported
Visual Modeling Supported
Web / Mobile App Development Not Supported
Workflow Management Supported

Integrations

Amazon S3 Not Supported
Azure OpenAI Service Not Supported
Beautiful Soup Supported
Bruinen Supported
ChatGPT Not Supported
Claude Haiku 3.5 Not Supported
CodeQwen Supported
Diffbot Supported
FalkorDB Supported
FriendliAI Supported
Gemini Enterprise Agent Platform Not Supported
HumanLayer Supported
Hyperbrowser Supported
Lunary Supported
Metal Supported
Oxylabs Supported
Pinecone Rerank v0 Supported
Proxycurl Supported
Snowflake Not Supported
ZizkaDB Supported

Integrations

Amazon S3 Supported
Azure OpenAI Service Supported
Beautiful Soup Not Supported
Bruinen Not Supported
ChatGPT Supported
Claude Haiku 3.5 Supported
CodeQwen Not Supported
Diffbot Not Supported
FalkorDB Not Supported
FriendliAI Not Supported
Gemini Enterprise Agent Platform Supported
HumanLayer Not Supported
Hyperbrowser Not Supported
Lunary Not Supported
Metal Not Supported
Oxylabs Not Supported
Pinecone Rerank v0 Not Supported
Proxycurl Not Supported
Snowflake Supported
ZizkaDB Not Supported
Claim LangChain and update features and information
Claim LangChain and update features and information