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Navdeep S.

Back-end Developer

Small-Business (50 or fewer emp.)

8/13/2025

"Powerful Framework for Building AI Apps Quickly"

5/5

What do you like best about Langchain?

I really like how LangChain brings all the moving parts of AI app development together in one place. The integration with different LLMs, vector databases, and APIs is super smooth, so I don’t waste time building connectors from scratch. The documentation is improving, and the community is very active, which makes finding examples and solutions easier. It’s also flexible enough to go from a quick prototype to a production grade application without completely rewriting the code it makes it a powerful tool to have. Review collected by and hosted on G2.com.

What do you dislike about Langchain?

While LangChain is powerful it can feel overwhelming at first because of how many modules and options it offers. The documentation, though better now, still has gaps for more advanced use cases, and sometimes breaking changes in updates mean I need to adjust my code unexpectedly. It would be nice to have more structured learning paths for newcomers. Review collected by and hosted on G2.com.

What problems is Langchain solving and how is that benefiting you?

LangChain helps me connect large language models with the right data sources, tools and workflows without having to build everything from scratch. Before using it, I had to manually handle API calls, parse responses, and manage context across different parts of the app, which slowed development. Now I can orchestrate prompts chain multiple steps together, and integrate with vector databases or APIs in a few lines of code. This saves a lot of development time, reduces errors, and lets me focus more on designing better AI experiences for users instead of building low-level infrastructure so its is kind to helpful to me. Review collected by and hosted on G2.com.

Rakshit A.

AI Application Engineer

Mid-Market (51-1000 emp.)

8/7/2025

"Best Framework for building AI Applications"

5/5

What do you like best about Langchain?

Langchain has many set of modular tools which are very help full for building LLM as applications like RAG, chatbots, assistants etc.. It supports integrations with so many vector stores, LLM API providers, tools which makes it best and faster development. The documentation is so good and we get excellent support from community. Review collected by and hosted on G2.com.

What do you dislike about Langchain?

I feel for freshers or new beginners in AI for them its quit difficult to understand and learn. In updates come like every 3 to 4 days very difficult to maintain stability. Review collected by and hosted on G2.com.

What problems is Langchain solving and how is that benefiting you?

Langchain helps me a lot in feeding the different data sources like pdf, documents , csv files directly into RAG application as Knowledge base with only few lines of code which makes building enterprise or business chat bots easy. Its support for various LLMs providers like OpenAI, Gorq, Ollama helps to try with different LLMs for our business use cases and adopt that LLM saving alot of time. Review collected by and hosted on G2.com.

Balram T.

DevOps Engineer

Computer Software

Enterprise (> 1000 emp.)

7/25/2025

"Langchain usage"

5/5

What do you like best about Langchain?

What I like most about LangChain is how seamlessly it helps connect large language models (like OpenAI or Cohere) with real-world tools, data, and APIs. It’s not just about prompting a model—it’s about chaining steps together, adding memory, working with documents, and integrating logic to make the AI actually useful in a workflow. The modularity is great; you can use just what you need without being forced into a monolith. Plus, the active community and fast development pace really help when you're building and need support or new features. Review collected by and hosted on G2.com.

What do you dislike about Langchain?

While LangChain is powerful, the learning curve can be a bit steep, especially when you're just getting started. The documentation is improving, but at times it still feels scattered or too focused on advanced use cases, which can be overwhelming for beginners. Also, with frequent updates and breaking changes, it can be tough to keep up if you're working on a production-grade project—some things that worked a week ago might need refactoring today. Better version stability and clearer upgrade paths would definitely help. Review collected by and hosted on G2.com.

What problems is Langchain solving and how is that benefiting you?

LangChain solves one of the biggest challenges with using LLMs: turning them from a simple prompt-and-response system into something that can handle complex, multi-step workflows with memory, context, and real-time data. In our case, we needed to build a retrieval-augmented generation (RAG) pipeline that could query internal documents and give context-aware answers. LangChain made it much easier to connect vector databases, integrate tools like OpenAI functions, and manage conversation history—all within a consistent framework. It saves a ton of development time and helps us move faster from prototype to production. Review collected by and hosted on G2.com.

Fahad S.

Founder/CEO

Small-Business (50 or fewer emp.)

8/12/2025

"Powerful AI orchestration framework with a learning curve"

5/5

What do you like best about Langchain?

Comprehensive abstractions for working with LLMs (chains, agents, tools)

Extensive integrations with various AI models and vector databases

Active community and rapid development pace

Flexibility in building complex AI workflows

Good documentation with practical examples

Memory management capabilities for conversational AI

Built-in prompt templates and output parsers Review collected by and hosted on G2.com.

What do you dislike about Langchain?

Steep learning curve for beginners

Frequent breaking changes between versions

Can be overly complex for simple use cases

Debugging can be challenging with nested chains

Performance overhead compared to direct API calls

Documentation sometimes lags behind new features

Abstractions can sometimes hide important details Review collected by and hosted on G2.com.

What problems is Langchain solving and how is that benefiting you?

LangChain significantly reduces the complexity of building production-ready AI applications by providing pre-built components for common patterns like RAG, conversational memory, and agent workflows. It allows our team to switch between different LLM providers without rewriting code, which helps optimize costs and avoid vendor lock-in. The framework handles the complex orchestration of multi-step AI workflows, enabling us to build sophisticated applications that can reason through problems, use external tools, and maintain context across conversations. This has accelerated our development timeline from months to weeks for AI features. The built-in prompt templates and output parsers ensure consistent and reliable responses in production, while the memory management capabilities have been crucial for building stateful AI assistants that remember user context. LangChain's abstractions for vector stores and document loaders have simplified the implementation of RAG systems that query our proprietary data. Overall, it's transformed how quickly we can prototype and deploy AI solutions, though the learning curve was initially steep. Review collected by and hosted on G2.com.

Navneet G.

Full Stack Developer-Client:IBM

Small-Business (50 or fewer emp.)

8/7/2025

"A powerful and flexible framework for building LLM applications"

4.5/5

What do you like best about Langchain?

Langchain provides a modular and extensible way to work with large language models. Its ability to chain together LLMs with tools, memory, and external data sources makes it incredibly powerful for real-world applications. The support for various model providers (OpenAI, Anthropic, etc.) and integrations with tools like Pinecone, Chroma, and Vector DBs is also a big plus. Review collected by and hosted on G2.com.

What do you dislike about Langchain?

The learning curve can be steep for newcomers, especially those without experience in working with LLMs or Python. The documentation, while extensive, can sometimes be overwhelming or slightly out of sync with the latest releases. Breaking changes in updates can also make it hard to maintain older projects unless you pin versions carefully. Review collected by and hosted on G2.com.

What problems is Langchain solving and how is that benefiting you?

Langchain solves the complexity of building real-world applications using large language models by providing a structured framework that handles key components like prompt management, memory, chaining, and tool integration. It abstracts many of the low-level details involved in working with LLMs, which helps reduce development time and lets me focus on application logic rather than infrastructure. For me, it's been particularly beneficial in rapidly prototyping AI-powered tools that need to interact with APIs, documents, and databases, all while maintaining conversational context. Review collected by and hosted on G2.com.

Neha K.

Ase

Mid-Market (51-1000 emp.)

8/8/2025

"A Swiss Army Knife for LLM Developers"

4.5/5

What do you like best about Langchain?

LangChain brings order to the complexity of working with large language models. It streamlines the integration of models, memory, tools, and data sources, making development more intuitive. With built-in support for vector databases, APIs, and custom agents, it's well-suited for building scalable, production-ready AI applications—without the need for excessive glue code. Review collected by and hosted on G2.com.

What do you dislike about Langchain?

LangChain’s greatest strength lies in its modular design. Whether you're building RAG systems, orchestrating multi-step workflows, or developing tool-using agents, it offers flexible building blocks to get started quickly. Integration with third-party services like OpenAI, Cohere, and Pinecone is seamless, enabling powerful end-to-end solutions. Plus, a vibrant community and well-maintained documentation support those ready to go beyond the basics. Review collected by and hosted on G2.com.

What problems is Langchain solving and how is that benefiting you?

LangChain addresses the challenge of orchestration in applications powered by large language models. Rather than writing custom code to connect models with external data sources, APIs, or tools, developers can rely on its modular framework to manage that complexity. It offers high-level abstractions for prompt chaining, document retrieval from vector stores, conversation memory management, and agent-based decision-making. Review collected by and hosted on G2.com.

Kunal K.

Assistant System Engineer

Small-Business (50 or fewer emp.)

8/7/2025

"Powerful Framework for Building LLM Applications Faster"

5/5

What do you like best about Langchain?

Langchain abstracts away a lot of complexity when working with large language models. I especially like the modularity—how you can mix and match chains, tools, memory, and agents to build complex applications. The documentation is rich, and its growing community means there’s a lot of support and examples. Integrations with OpenAI, Pinecone, FAISS, and others are seamless and well-supported. Review collected by and hosted on G2.com.

What do you dislike about Langchain?

Langchain can be overwhelming for newcomers due to its broad scope and somewhat steep learning curve. The API changes frequently, which can lead to outdated documentation or breaking changes in code. Some components are still experimental or lack thorough testing and type safety. Debugging agents and chains can sometimes be non-trivial, especially when errors are deep in nested components. Review collected by and hosted on G2.com.

What problems is Langchain solving and how is that benefiting you?

Langchain solves the problem of orchestrating complex interactions with large language models (LLMs), such as chaining prompts, integrating memory, querying external tools/APIs, and retrieving context from databases or documents (RAG). Without Langchain, you’d have to build all this logic manually, which is time-consuming and error-prone. It abstracts away repetitive patterns and provides a unified interface for building intelligent applications. For me, this means faster prototyping, easier experimentation with new ideas, and a cleaner architecture for deploying production-grade AI assistants and chatbots. It allows me to focus on the core logic of the product rather than reinventing infrastructure. Review collected by and hosted on G2.com.

Verified User in Computer Software

Mid-Market (51-1000 emp.)

5/7/2025

"Powerful framework for building LLM-powered applications"

4/5

What do you like best about Langchain?

Langchain is effective at enabling users to interface with large language models. Its modular design is captivating; integrating prompt templates, memory, and component interaction is straightforward unlike anything I have seen before. The integration with OpenAI, Hugging Face, and vector stores such as Pinecone or FAISS is done exceptionally well. Langchain has helped with prototype creation and experimentation with various LLM workflows. The active community and abundance of open-source materials helps developers troubleshoot and learn new features with ease. Review collected by and hosted on G2.com.

What do you dislike about Langchain?

The documentation is a little inconsistent. Even though the fundamental ideas are presented quite clearly, I frequently have to sift through GitHub issues or Discord threads to understand how specific parts are supposed to function in real-world scenarios. Review collected by and hosted on G2.com.

What problems is Langchain solving and how is that benefiting you?

At my organization, we are putting together an internal personal code assistant tool, and have found Langchain to be really fast-tracking this process. One of the most complex tasks was managing the interaction between our LLM and the various tools (e.g. code repositories, vector databases, and various APIs). Langchain has simplified the coordination across the various components in a consistent and maintainable way.

Langchain has also taken away a lot of boilerplate and manual work by simplifying context management, memory, and prompt-chaining out of the box. All this has roughly sped up our development work by providing us more time to focus on the features that matter instead of the infrastructure. Review collected by and hosted on G2.com.

Allabakash G.

AI developer

Small-Business (50 or fewer emp.)

10/29/2024

"Creating RAG with the help of Langchain is easy infact i have built a rag product for my company"

4.5/5

What do you like best about Langchain?

i really had fun building RAG with Langchain, the option it provides are really amazing it supports mullitple vendors model for llm for example openai, oolama, mistral ai if you want to go with open source models ofcourse huggingface is there for us well langchain support that as well, the implementation is really easy and about the documentation it is really good straight at point even a basic python language understanding coder can start with langchain in no time, i had integrated langchain with langflow that is also an amazing open source product Review collected by and hosted on G2.com.

What do you dislike about Langchain?

Well i have no particular dislikes for langchain but as a beginer in langchain i had issue with respective dependency conflict between langchain and langchain community library and other dependecy conflicts other than that i think i have not faced that many issues such that i can say as my disliked towards langchain overall really amazing work from langhcain community Review collected by and hosted on G2.com.

What problems is Langchain solving and how is that benefiting you?

So recently i created the product using langchain, so the issue was the employes have to do hard work to find a specific id through various types of documents so i had created a RAG pipeline where instead of doing all the hard work and just ask the question what they required from the documents with all metadata like pagenumbers etc.., this solved the problem big thanks to langchain comunity for this opensource Review collected by and hosted on G2.com.

Verified User in Biotechnology

Mid-Market (51-1000 emp.)

8/10/2025

"Powerful framework for building LLM powered apps"

4/5

What do you like best about Langchain?

LangChain makes connecting large language models with data sources and APIs very easily and simple. Its modular tools and ready integrations (like Pinecone, OpenAI and vector stores) save development time and make experimenting much easier. Review collected by and hosted on G2.com.

What do you dislike about Langchain?

While LangChain is powerful, the documentation can feel overwhelming for beginners, especially when dealing with advanced features. Some integrations may break after version updates, requiring extra troubleshooting and more beginner friendly examples would be helpful. Review collected by and hosted on G2.com.

What problems is Langchain solving and how is that benefiting you?

LangChain helps me connect LLMs to custom data sources and APIs without building everything from scratch. It has simplified the development of Retrieval Augmented Generation (RAG) pipelines for chatbots and automated workflows, saving both time and effort. This flexibility allows me to experiment quickly and deliver prototypes faster. Review collected by and hosted on G2.com.