Langchain Openai Dependencies. types import ModelResponse from langchain_openai import ChatOpenAI fro

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. Once you’ve done this set the OPENAI_API_KEY environment variable: OpenAI integrations for LangChain. LangChain4j provides a guide to get started with its features and integrations, including Quarkus integration. agents import AgentType from langchain_openai import ChatOpenAI from langchain_community. pip install langchain If Jul 31, 2023 · We explore the process of creating the Chat App using LangChain, OpenAI API, and Streamlit frameworks. This guide will show you how to in Official MongoDB Documentation. python-dotenv==1. 1. langchain. 4 3. runnables import RunnablePassthrough, RunnableSequence from langchain_core. from langchain. Depending on what document types you’re parsing, you may not need all of these. 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. Learn how to integrate Airtable with LangChain using the Model Context Protocol (MCP). 📋 Prerequisites Python: 3. Migration note: if you are migrating from the langchain_community. This enables tools to make context-aware decisions, personalize responses, and maintain information across conversations. txt for LangSmith. 7 3. Learn how to integrate Reddit with LangChain using the Model Context Protocol (MCP). 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. middleware import ( AgentMiddleware, ModelRequest ) from langchain. 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). LangChain is a framework for building agents and LLM-powered applications. The tooling matured faster than anyone predicted. 12 3. 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. py: Python script demonstrating how to interact with a LangChain server using the langserve library. toml`, the lock file mechan A simple Chainlit app for generative question-answering with LangChain and OpenAI. Here's the truth nobody's talking about. . Sep 25, 2024 · ERROR: pip’s dependency resolver does not currently take into account all the packages that are installed. 4 # Document loading # onnxruntime==1. 13 3. 16 which is incompatible. Adapt LangChain models to OpenAI APIs. Architecture, integration patterns, and production readiness guide. I searched the LangChain documentation with the integrated search. , for vector databases or cloud services), so specify extras like pip install langchain[openai] to include OpenAI-specific dependencies. Two main methods are available: Repository Structure langchain-notebook: Jupyter notebook demonstrating how to use LangChain with OpenAI for various NLP tasks. 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. 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. The LangChain ecosystem serves as the foundation for LLM integrations, while LangGraph orchestrates the agent, and FastHTML powers the web interface. The ripple effect R1 unlocked something deeper. com Redirecting Everyone's panicking that OpenAI just killed n8n. 2 days ago · pip install langchain langchain-openai langchain-community duckduckgo-search Step 2: Create your Agent file Create a file called research_agent. 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. 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. 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. 190 Redirecting LangChain provides integrations to hundreds of LLMs and thousands of other integrations. 13 or higher Node. 8 3. Repository Structure langchain-notebook: Jupyter notebook demonstrating how to use LangChain with OpenAI for various NLP tasks. 3 days ago · LangChain is the easiest way to start building agents and applications powered by LLMs. Start using @langchain/openai in your project by running `npm i @langchain/openai`. Head to platform. pip install langchain If 2. Leverage CData Connect AI to enable LangGraph agents to securely access and act on Google Search results within automated workflows. llms import OpenAI. 0. Welcome to LangChain — 🦜🔗 LangChain 0. ChatCompletion Asked 2 years, 1 month ago Nov 19, 2025 · LangChain is a framework for building LLM-powered applications. 6 days ago · This diagram illustrates the dependency relationships where solid lines indicate runtime dependencies and dashed lines indicate development-time dependencies. LangSmith Studio is a free visual interface for developing and testing your LangChain agents from your local machine. Connect these docs to Claude, VSCode, and more via MCP for real-time answers. Each provider offers a variety of models with different capabilities. Check out intro-to-langchain-openai. brew install for Mac. Let's get started: Setting up the Environment: A Journey Learn how to integrate Accelo with LangChain using the Model Context Protocol (MCP). 5 3. toml file, where you can find the exact openai version that the langchain-openai version depends on. Step-by-step guide with Python and TypeScript code examples. 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. We can create a simple indexing pipeline and RAG chain to do this in ~40 lines of code. docstore. It covers the declarative configuration 6 days ago · This document explains the structure, purpose, and management of the `uv. This means that you may need to install/resolve a specific version of @langchain/core that matches the dependencies of your used packages. agents. Learn how to integrate Replicate with LangChain using the Model Context Protocol (MCP). This example uses LangChain, but a similar approach can be applied to other libraries. 3 langchain-openai==0. tools import Jan 4, 2026 · MCP (Linux Foundation standard), LangChain, and CrewAI compared for AI agents. Jan 12, 2026 · LangChain Forum: Connect with the community and share all of your technical questions, ideas, and feedback. 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. 5 or consider upgrading openai without breaking my current code. We would like to show you a description here but the site won’t allow us. 0,>=0. 6 requires langchain<0. 17. 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. 14. Supported models LangChain supports all major model providers, including OpenAI, Anthropic, Google, Azure, AWS Bedrock, and more. com Redirecting Why this matters: Tools are most powerful when they can access agent state, runtime context, and long-term memory. LangChain provides integrations to hundreds of LLMs and thousands of other integrations. com Redirecting python. 🍊YC W23 - GitHub - langfuse/langfuse: 🪢 Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. 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. 1). - 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. Install packages: The CLI installs all the packages using the appropriate package manager for your language (uv or pip for Python, npm for JavaScript). 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. g. 7 Contribute to 0xTnxl/langchain-agent-pay development by creating an account on GitHub. lock` dependency lock file used by the langchain-llamastack project. 8 # For embeddings unstructured==0. 6 3. 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. 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. 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. 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. 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. To access OpenAI models you’ll need to create an OpenAI account, get an API key, and install the langchain-openai integration package. middleware. A provider is a third-party service or platform that LangChain integrates with to access AI capabilities like chat models, embeddings, and vector stores. 2 that we’d like to highlight here: Moved more integrations from langchain-community to their own langchain-{name} packages. I used the GitHub search to find a similar question and di LangChain is a framework for building agents and LLM-powered applications. → 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. agents import create_agent from langchain. 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. from arango import ArangoClient from langchain. vectorstores implementation of Pinecone, you may need to remove your pinecone-client v2 dependency before installing langchain-pinecone, which relies on pinecone-client v6. Why use the derivative when you can go straight to the source? Documentation for LangChain. Jan 7, 2026 · This package contains the LangChain integrations for OpenAI through their openai SDK. Edit this page on GitHub or file an issue. a monorepo: To deploy a graph located inside a monorepo, take a look at this repository for an example of how to do so. Discover how LangChain enhances PDF processing by chunking and embedding large documents, making OpenAI's language models more effective for handling complex, lengthy content. For detailed documentation of all Chroma features and configurations head to the API reference. 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. How should I resolve this issue? Mar 2, 2023 · In my Poetry dependencies, I only had langchain and openai. openai. python. 1 # For reading environment variables stored in . To install the dependencies for all document types, use pip install "unstructured[all-docs]". 2. If needed, switch the branch/tags to another version to check compatibility with different versions. 0, last published: 6 days ago. Any additional binaries or system libraries can be specified using dockerfile_lines key in the LangGraph configuration file. Sep 2, 2024 · Open the pyproject. 2 langchain-community==0. docs. toml, with additional integration test dependencies installed separately. Runtime context provides a way to inject dependencies (like database connections, user IDs, or configuration) into your tools at runtime, making them more python. This behaviour is the source of the following dependency conflicts. Dec 16, 2025 · The final answer is presented back to the user. It allows LLMs such as GPT-4o to give accurate, grounded answers using your PDF or TXT documents. This page covers how to use the OpenAI ecosystem within LangChain. LangChain itself has optional integrations (e. This guide provides a quick overview for getting started with Chroma vector stores. 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. After each step, an example file directory is provided to demonstrate how code can be organized. 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. For conceptual guides, tutorials, and examples on using these classes, see the LangChain Docs. Jan 8, 2024 · Following LangChain docs in my Jupyter notebook with the following code : from langchain_openai import ChatOpenAI from langchain_core. Learn to store data in flexible documents, create an Atlas deployment, and use our tools and integrations. 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. Chroma is a AI-native open-source vector database focused on developer productivity and happiness. astral. With under 10 lines of code, you can connect to OpenAI, Anthropic, Google, and more. Install dependencies Install Unity Catalog AI packages with the [databricks] extra, and install the Databricks-LangChain integration package. langserve-example: client. In this blog post, I'll take you through the process and share the insights I gained along the way. 14 3. For full documentation, see the API reference. com to sign up to OpenAI and generate an API key. 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). These live in independent provider packages. 4. 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. This is a non-breaking change, as the legacy implementations are left in langchain-community and marked as deprecated. 10 3. No token meter. Learn how to integrate Excel with LangChain using the Model Context Protocol (MCP). Nov 24, 2023 · LangChain/OpenAI error: "openai. Was this page helpful? Read dependencies list: The CLI reads the list of packages from the configuration file. crewai-tools 0. 11 3. py with this code: from langchain. txt: for dependency management, check out this how-to guide on using requirements. Chroma is licensed under Apache 2. 3. , OpenAI, Cohere, Hugging Face) via the Embeddings interface. Installation npm install @langchain/openai @langchain/core This package, along with the main LangChain package, depends on @langchain/core. 6 days ago · This section provides technical reference documentation for the configuration files and dependency management system used in the `langchain-llamastack` package. See our Releases and Versioning policies. 15 3. The cost math changed overnight—and OpenAI's playbook became obsolete. ChatCompletion but this is no longer supported in openai>=1. Aug 22, 2023 · I installed it globally using pip install langchain but I can't import it on my python code. 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. 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. You can also set up with: requirements. It simplifies working with large language models like GPT-3. No vendor lock-in. I am using PyCharm and VS Code, from langchain. 0", but I am not using openai. For a full list of supported models in LangChain, see the integrations page. There are 713 other projects in the npm registry using @langchain/openai. 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. 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. It covers the dependency configuration in `pyproject. 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. I tested both for a week. Jun 20, 2024 · from langchain import hub from langchain. Deploy via Ollama (30 seconds), use Together AI for inference, or integrate with LangChain for RAG pipelines. LangChain provides a standard interface for text embedding models (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. js. langchain4j. js integrations for OpenAI through their SDK. Latest version: 1. 1 # chromadb dependency: on Mac use `conda install onnxruntime -c conda-forge` # For Windows users, install Microsoft Visual 4 days ago · No API dependency. schema import AIMessage, HumanMessage from langchain_chroma import Chroma from langchain_community. prompts import ChatPromptTemplate from langchain_core. 4, but you have langchain 0. It is broken into two parts: installation and setup, and then references to specific OpenAI wrappers. ipynb for a step-by-step guide. 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. Install the following system dependencies if they are not already available on your system with e. 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. Learn how to integrate Pdf4me with LangChain using the Model Context Protocol (MCP). 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. env file langchain==0. document_loaders import TextLoader from langchain_core. 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. agents import initialize_agent, Tool from langchain. js @langchain/openai This package contains the LangChain. LangChain Academy: Learn the basics of LangGraph in our free, structured course. 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.

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