Langchain Openai Dependencies. Learn how to integrate Excel with LangChain using the Model Context

Learn how to integrate Excel with LangChain using the Model Context Protocol (MCP). The ripple effect R1 unlocked something deeper. Nov 25, 2025 · awesome-langchain - Learn LangChain (JS) - driven LangChain JS learning repository covering prompts, chains, tools, embeddings, RAG, agents, Puppeteer scraping, and LangGraph-based multi-agent workflows. It covers the dependency configuration in `pyproject. 0. This enables tools to make context-aware decisions, personalize responses, and maintain information across conversations. vectorstores import VectorStoreRetriever npm install @langchain/community faiss-node @langchain/openai @langchain/core Jun 16, 2025 · Langchain is a powerful framework for building LLM applications. If you are using this package with other LangChain packages, you should make sure that all of the packages depend on the same Dec 30, 2025 · Run the following code in a Databricks notebook. 190 Redirecting LangChain provides integrations to hundreds of LLMs and thousands of other integrations. Supported models LangChain supports all major model providers, including OpenAI, Anthropic, Google, Azure, AWS Bedrock, and more. Learn how to integrate Airtable with LangChain using the Model Context Protocol (MCP). Repository Structure langchain-notebook: Jupyter notebook demonstrating how to use LangChain with OpenAI for various NLP tasks. pip install langchain If 2. No token meter. The lock file ensures deterministic, reproducible builds a Dec 4, 2025 · Retrieval-Augmented Generation (RAG) is now one of the important part of enterprise AI workflows. sh/uv 是一个用 Rust 编写的 极快的 Python 包管理器和项目管理器。 它整合了 Pytho May 14, 2023 · I am excited to share my journey of building a PDF Chat application using Langchain and Python. Two main methods are available: Repository Structure langchain-notebook: Jupyter notebook demonstrating how to use LangChain with OpenAI for various NLP tasks. Latest version: 1. 🍊YC W23 - GitHub - langfuse/langfuse: 🪢 Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. 1 # For reading environment variables stored in . 7 Contribute to 0xTnxl/langchain-agent-pay development by creating an account on GitHub. 2. This page covers how to use the OpenAI ecosystem within LangChain. 5 or consider upgrading openai without breaking my current code. After each step, an example file directory is provided to demonstrate how code can be organized. Chroma is licensed under Apache 2. Dependencies langchain: Core LangChain framework langchain-community: Community integrations langchain-openai: OpenAI integrations chromadb: Vector database (can be replaced) python-dotenv: Environment variable management pypdf: PDF document loading faiss-cpu: Alternative vector store option Integrates with OpenTelemetry, Langchain, OpenAI SDK, LiteLLM, and more. 13 or higher Node. 4, but you have langchain 0. This guide provides a quick overview for getting started with Chroma vector stores. Jan 9, 2026 · 从零入门 LangChain 开发，系统学习 LangChain 知识体系到最终开发一个 AI 应用项目。--- theme: orange --- 介绍 uv uvhttps://docs. by Raian LangChain: Rapidly Building Advanced NLP Projects with OpenAI and Multion, facilitating modular abstraction in chatbot and language model creation - patmejia/langchain Get started using Gemini [chat models](/oss/python/langchain/models) in LangChain. Edit this page on GitHub or file an issue. 1 # chromadb dependency: on Mac use `conda install onnxruntime -c conda-forge` # For Windows users, install Microsoft Visual 4 days ago · No API dependency. langchain. It allows LLMs such as GPT-4o to give accurate, grounded answers using your PDF or TXT documents. Sep 2, 2024 · Open the pyproject. If needed, switch the branch/tags to another version to check compatibility with different versions. Connect these docs to Claude, VSCode, and more via MCP for real-time answers. 6 days ago · This section provides technical reference documentation for the configuration files and dependency management system used in the `langchain-llamastack` package. With under 10 lines of code, you can connect to OpenAI, Anthropic, Google, and more. 13 3. toml, with additional integration test dependencies installed separately. 0 license Code of conduct Oct 31, 2023 · For instance, we’ll also require the dependencies that support integration to OpenAI models, provide support for embeddings, and a sentence-transformer model like all-MiniLM-L6-v2 in the following sections of the tutorial. 0", but I am not using openai. See our Releases and Versioning policies. 1 day ago · 文章浏览阅读484次，点赞12次，收藏14次。 本文深度拆解LangChain大模型开发框架及其中文Java生态实现LangChain4j，系统梳理模型I/O、记忆内存、检索增强等核心组件，详解链（Chain）与代理（Agent）的复杂应用构建逻辑。 Learn all about the quality, security, and current maintenance status of langchain-openai using Cloudsmith Navigator Aug 7, 2023 · As for the 'azureOpenAIApiInstanceName' environment variable, I wasn't able to find specific information about its purpose within the LangChain repository. Install the following system dependencies if they are not already available on your system with e. It helps you chain together interoperable components and third-party integrations to simplify AI application development — all while future-proofing decisions as the underlying technology evolves. 10 3. Step-by-Step Implementation Let's build a RAG system with the help of LangChain and LangGraph: Step 1: Install Dependencies We will install the require packages that will be needed such as langchain, langgraph, langchain-openai, langchain-text-splitter, langchain-community, networkx and matplotlib. To access OpenAI models you’ll need to create an OpenAI account, get an API key, and install the langchain-openai integration package. openai. This means that you may need to install/resolve a specific version of @langchain/core that matches the dependencies of your used packages. Learn to store data in flexible documents, create an Atlas deployment, and use our tools and integrations. Jan 4, 2026 · This document explains how dependencies are managed in the `n8n-nodes-reranker-openai` package, covering peer dependencies, development dependencies, lock file strategy, and runtime resolution mechani Preview In this guide we’ll build an app that answers questions about the website’s content. 2 langchain-community==0. To access AzureChatOpenAI models you’ll need to create an Azure account, create a deployment of an Azure OpenAI model, get the name and endpoint for your deployment, get an Azure OpenAI API key, and install the langchain-openai integration package. Was this page helpful? Read dependencies list: The CLI reads the list of packages from the configuration file. No vendor lock-in. python-dotenv==1. llms import OpenAI. Feb 25, 2023 · Building a Web Application using OpenAI GPT3 Language model and LangChain’s SimpleSequentialChain within a Streamlit front-end A dependencies key in the LangGraph configuration file that specifies the dependencies required to run the LangGraph application. middleware. 5 3. Learn how to integrate Pdf4me with LangChain using the Model Context Protocol (MCP). I'd suggest adding a line somewhere in the docs that this is an optional dependency and should be installed? Dec 17, 2025 · Install development dependencies: uv pip install Make your changes to the CLI code Test your changes: # Run CLI commands directly uv run langgraph --help # Or use the examples cd examples uv pip install uv run langgraph dev # or other commands License This project is licensed under the terms specified in the repository's LICENSE file. Depending on what document types you’re parsing, you may not need all of these. from arango import ArangoClient from langchain. How should I resolve this issue? Mar 2, 2023 · In my Poetry dependencies, I only had langchain and openai. 11 3. ChatCompletion but this is no longer supported in openai>=1. See below for the full code snippet: 6 days ago · This document explains how dependencies are managed in the langgraph-supervisor project using the `uv` package manager. output_pa Dec 24, 2025 · Ranking#3786 in MvnRepository (See Top Artifacts) #1 in OpenAI Clients Sep 2, 2024 · It seems I need to find a compatible version of langchain-openai that works with openai==1. brew install for Mac. ipynb for a step-by-step guide. document import Document from langchain_openai import OpenAIEmbeddings from langchain_arangodb import ArangoVector # Create a vector store from some documents and embeddings docs = [ Document ( page_content= ( LangChain is the easiest way to start building agents and applications powered by LLMs. Chroma is a AI-native open-source vector database focused on developer productivity and happiness. It covers the foundational `langc LangChain offers an extensive ecosystem with 1000+ integrations across chat & embedding models, tools & toolkits, document loaders, vector stores, and more. Any additional binaries or system libraries can be specified using dockerfile_lines key in the LangGraph configuration file. docstore. 3 days ago · LangChain is the easiest way to start building agents and applications powered by LLMs. 2 that we’d like to highlight here: Moved more integrations from langchain-community to their own langchain-{name} packages. This example uses LangChain, but a similar approach can be applied to other libraries. See Integrate Unity Catalog tools with third party generative AI Sep 16, 2024 · What's new We’ve made a number of improvements during the development of LangChain v0. - Dependencies · alphasecio/chainlit 6 days ago · Dependency Management Python tests use uv for fast, reproducible dependency installation: uv sync --group dev uv pip install langchain langchain-openai langchain-anthropic tiktoken rapidfuzz vcrpy numpy The base dependencies come from --group dev in the pyproject. Start using @langchain/openai in your project by running `npm i @langchain/openai`. schema import AIMessage, HumanMessage from langchain_chroma import Chroma from langchain_community. Discover how LangChain enhances PDF processing by chunking and embedding large documents, making OpenAI's language models more effective for handling complex, lengthy content. The tooling matured faster than anyone predicted. Adapt LangChain models to OpenAI APIs. Welcome to LangChain — 🦜🔗 LangChain 0. 1). . env file langchain==0. py: Python script demonstrating how to interact with a LangChain server using the langserve library. For conceptual guides, tutorials, and examples on using these classes, see the LangChain Docs. 8 3. In this blog post, I'll take you through the process and share the insights I gained along the way. Aug 22, 2023 · I installed it globally using pip install langchain but I can't import it on my python code. It is broken into two parts: installation and setup, and then references to specific OpenAI wrappers. , OpenAI, Cohere, Hugging Face) via the Embeddings interface. agents import create_agent from langchain. Install packages: The CLI installs all the packages using the appropriate package manager for your language (uv or pip for Python, npm for JavaScript). This guide will show you how to in Official MongoDB Documentation. com Redirecting Why this matters: Tools are most powerful when they can access agent state, runtime context, and long-term memory. Installation npm install @langchain/openai @langchain/core This package, along with the main LangChain package, depends on @langchain/core. pip install langchain If Jul 31, 2023 · We explore the process of creating the Chat App using LangChain, OpenAI API, and Streamlit frameworks. langchain4j. Migration note: if you are migrating from the langchain_community. crewai-tools 0. My question is: How can I determine which version of the openai SDK is compatible with specific versions of langchain-openai? LangChain is the easiest way to start building agents and applications powered by LLMs. We would like to show you a description here but the site won’t allow us. LangSmith Studio is a free visual interface for developing and testing your LangChain agents from your local machine. 1. g. a monorepo: To deploy a graph located inside a monorepo, take a look at this repository for an example of how to do so. runnables import RunnablePassthrough, RunnableSequence from langchain_core. js. 4 # Document loading # onnxruntime==1. js integrations for OpenAI through their SDK. Deploy via Ollama (30 seconds), use Together AI for inference, or integrate with LangChain for RAG pipelines. com Redirecting python. I am using PyCharm and VS Code, from langchain. Sep 25, 2024 · ERROR: pip’s dependency resolver does not currently take into account all the packages that are installed. Step-by-step guide with Python and TypeScript code examples. This behaviour is the source of the following dependency conflicts. 8 # For embeddings unstructured==0. 6 requires langchain<0. LangChain provides a pre-built agent architecture and model integrations to help you get started quickly and seamlessly incorporate LLMs into your agents and applications. com to sign up to OpenAI and generate an API key. → I Tested OpenAI's AgentKit Against n8n: What You Actually Need to Know We would like to show you a description here but the site won’t allow us. These providers have standalone langchain-provider packages for improved versioning Mar 12, 2024 · Checked other resources I added a very descriptive title to this issue. To install the dependencies for all document types, use pip install "unstructured[all-docs]". Runtime context provides a way to inject dependencies (like database connections, user IDs, or configuration) into your tools at runtime, making them more python. Dec 16, 2025 · The final answer is presented back to the user. There are 713 other projects in the npm registry using @langchain/openai. 17. For detailed documentation of all Chroma features and configurations head to the API reference. txt for LangSmith. This is the documentation for the OpenAI integration, that uses a custom Java implementation of the OpenAI REST API, that works best with Quarkus (as it uses the Quarkus REST client) and Spring (as it uses Spring's RestClient). Why use the derivative when you can go straight to the source? Documentation for LangChain. 0,>=0. Note that for compatibility, all used LangChain packages (including the base LangChain package, which itself depends on core!) must share the same version of @langchain/core. LangChain itself has optional integrations (e. The LangChain ecosystem serves as the foundation for LLM integrations, while LangGraph orchestrates the agent, and FastHTML powers the web interface. toml file, where you can find the exact openai version that the langchain-openai version depends on. js @langchain/openai This package contains the LangChain. agents. Check out intro-to-langchain-openai. 16 which is incompatible. We can create a simple indexing pipeline and RAG chain to do this in ~40 lines of code. Here's the truth nobody's talking about. I tested both for a week. These live in independent provider packages. Jan 7, 2026 · This package contains the LangChain integrations for OpenAI through their openai SDK. Learn how to integrate Replicate with LangChain using the Model Context Protocol (MCP). txt: for dependency management, check out this how-to guide on using requirements. The specific website we will use is the LLM Powered Autonomous Agents blog post by Lilian Weng, which allows us to ask questions about the contents of the post. For full documentation, see the API reference. Jun 20, 2024 · from langchain import hub from langchain. 📋 Prerequisites Python: 3. tools import Jan 4, 2026 · MCP (Linux Foundation standard), LangChain, and CrewAI compared for AI agents. prompts import ChatPromptTemplate from langchain_core. document_loaders import TextLoader from langchain_core. LangChain Academy: Learn the basics of LangGraph in our free, structured course. Architecture, integration patterns, and production readiness guide. LangChain4j provides a guide to get started with its features and integrations, including Quarkus integration. It covers the declarative configuration 6 days ago · This document explains the structure, purpose, and management of the `uv. 6 days ago · This diagram illustrates the dependency relationships where solid lines indicate runtime dependencies and dashed lines indicate development-time dependencies. 6 3. 2 days ago · pip install langchain langchain-openai langchain-community duckduckgo-search Step 2: Create your Agent file Create a file called research_agent. LangSmith Studio Copy page When building agents with LangChain locally, it’s helpful to visualize what’s happening inside your agent, interact with it in real-time, and debug issues as they occur. Leverage CData Connect AI to enable LangGraph agents to securely access and act on Google Search results within automated workflows. You can also set up with: requirements. This is a non-breaking change, as the legacy implementations are left in langchain-community and marked as deprecated. 4 3. docs. Jan 8, 2024 · Following LangChain docs in my Jupyter notebook with the following code : from langchain_openai import ChatOpenAI from langchain_core. 14 3. from langchain. lock` dependency lock file used by the langchain-llamastack project. js: 18+ and npm (for frontend) Docker: For running PostgreSQL with pgvector OpenAI API Key: For embeddings and language model Poetry or uv: For dependency management (optional but recommended) Architecture Agent Definition Both implementations define a conversational agent using LangGraph's StateGraph: State: Maintains a list of messages using LangChain's BaseMessage types Node: Processes messages using OpenAI's GPT-4o-mini Configuration: Brief responses (max 100 tokens), temperature 0. It's possible that it's used to specify the name of the Azure OpenAI API instance that the LangChain library should interact with, but I would need more information to confirm this. libmagic-dev (filetype detection) This is the documentation for the OpenAI integration, that uses a custom Java implementation of the OpenAI REST API, that works best with Quarkus (as it uses the Quarkus REST client) and Spring (as it uses Spring's RestClient). , for vector databases or cloud services), so specify extras like pip install langchain[openai] to include OpenAI-specific dependencies. Can anyone help? I’ve gone back and forth from having a broken Juypyter AI extension with the red-background message of “There seems to be a problem with the Chat backend, please look at the JupyterLab server logs or Why use Pydantic AI Built by the Pydantic Team: Pydantic Validation is the validation layer of the OpenAI SDK, the Google ADK, the Anthropic SDK, LangChain, LlamaIndex, AutoGPT, Transformers, CrewAI, Instructor and many more. It helps you chain together interoperable components and third-party integrations to simplify AI application development – all while future-proofing decisions as the underlying technology evolves. 3 langchain-openai==0. 12 3. middleware import ( AgentMiddleware, ModelRequest ) from langchain. the package works well, I did on my Sep 29, 2024 · Dear all, I am stuck after several hours of installing and uninstalling langchain packages to try and make Jupyter AI work on a new work machine (Mac M1 macOS Sonoma 14. 0, last published: 6 days ago. toml`, the lock file mechan A simple Chainlit app for generative question-answering with LangChain and OpenAI. For a full list of supported models in LangChain, see the integrations page. The cost math changed overnight—and OpenAI's playbook became obsolete. astral. LangChain provides a standard interface for text embedding models (e. Install dependencies Install Unity Catalog AI packages with the [databricks] extra, and install the Databricks-LangChain integration package. vectorstores implementation of Pinecone, you may need to remove your pinecone-client v2 dependency before installing langchain-pinecone, which relies on pinecone-client v6. It simplifies working with large language models like GPT-3. types import ModelResponse from langchain_openai import ChatOpenAI from typing import Callable basic_model = ChatOpenAI(model="gpt-5-nano") advanced_model = ChatOpenAI(model="gpt-5") class Jan 12, 2026 · This document provides an architectural overview of the LangChain monorepo, explaining its layered package structure, dependency relationships, and design philosophy. py with this code: from langchain. Once you’ve done this set the OPENAI_API_KEY environment variable: OpenAI integrations for LangChain. python. 14. LangChain is a framework for building agents and LLM-powered applications. com Redirecting Everyone's panicking that OpenAI just killed n8n. Each provider offers a variety of models with different capabilities. LangChain provides integrations to hundreds of LLMs and thousands of other integrations. 6 days ago · This document explains the complete dependency stack used by the Executive AI Assistant (EAIA), including core runtime dependencies, development dependencies, and how they are managed through Poetry. langserve-example: client. 4. Learn how to integrate Reddit with LangChain using the Model Context Protocol (MCP). agents import AgentType from langchain_openai import ChatOpenAI from langchain_community. I used the GitHub search to find a similar question and di LangChain is a framework for building agents and LLM-powered applications. I searched the LangChain documentation with the integrated search. 9 Null 30d 60d 90d 120d all Daily Download Proportions of langchain-openai package - Python Minor Date Download Proportion Sep 2, 2025 · This guide provides a step-by-step approach to installing and troubleshooting LangChain, a Python framework for AI solutions. Nov 24, 2023 · LangChain/OpenAI error: "openai. Head to platform. 7 3. 15 3. 3. Jan 12, 2026 · LangChain Forum: Connect with the community and share all of your technical questions, ideas, and feedback. Let's get started: Setting up the Environment: A Journey Learn how to integrate Accelo with LangChain using the Model Context Protocol (MCP). ChatCompletion Asked 2 years, 1 month ago Nov 19, 2025 · LangChain is a framework for building LLM-powered applications. A provider is a third-party service or platform that LangChain integrates with to access AI capabilities like chat models, embeddings, and vector stores. dev java embeddings gemini openai chroma llama gpt pinecone onnx huggingface milvus vector-database openai-api llm llms chatgpt langchain anthropic pgvector ollama Readme Apache-2. agents import initialize_agent, Tool from langchain.

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