Langchain openai compatible api example.

Langchain openai compatible api example configurable_alternatives (ConfigurableField (id = "llm"), default_key = "anthropic", openai = ChatOpenAI ()) # uses the default model Stream all output from a runnable, as reported to the callback system. See a usage example. This example goes over how to use the Zapier integration with a SimpleSequentialChain, then an Description Links; LLMs Minimal example that reserves OpenAI and Anthropic chat models. type = string. The Azure OpenAI API is compatible with OpenAI's API. Feb 17, 2025 · We're excited to announce that Opper now provides an OpenAI-compatible API endpoint, making it easier than ever to access many models and capabilities through a single API. 1st example: hierarchical planning agent . writeOnly = True. format = password OpenAI large language models. If not passed in will be read from env var OPENAI_API_KEY. param openai_api_key: SecretStr | None = None (alias 'api_key') # Automatically inferred from env var OPENAI_API_KEY if not provided. This compatibility layer allows you to use Opper with any tool or library designed for OpenAI's API or SDKs (such as LangChain, Vercel AI SDK, DSPy, etc). 4. Constraints. param openai_api_key: Optional [SecretStr] [Optional] (alias 'api_key') ¶ Automatically inferred from env var OPENAI_API_KEY if not provided. This notebook requires the following Python packages: openai, tiktoken, langchain and tair. This includes all inner runs of LLMs, Retrievers, Tools, etc. We then make the actual API call, and return the result. from langchain_openai import ChatOpenAI api_key: Optional[str] OpenAI API key. Install the LangChain partner package; pip install langchain-openai Get an OpenAI api key and set it as an environment variable (OPENAI_API_KEY) Chat model. The new Messages API allows customers and users to transition seamlessly from OpenAI models to open LLMs. OpenLM is a zero-dependency OpenAI-compatible LLM provider that can call different inference endpoints directly via HTTP. Any parameters that are valid to be passed to the openai. This key does not have to match your actual OpenAI key, and you don't need to have an OpenAI API key. How to integrate a local model into FastChat API server? 2 days ago · langchain-openai. To use, you should have the openai python package installed, and the environment variable OPENAI_API_KEY set with your API key. ⚠️ Setup to run examples. Explore resources, tutorials, API docs, and dynamic examples to get the most out of OpenAI's developer platform. In this notebook we will show how those parameters map to the LangGraph react agent executor using the create_react_agent prebuilt helper method. It parses an input OpenAPI spec into JSON Schema that the OpenAI functions API can handle. Jump to Example Using OAuth Access Token to see a short example how to set up Zapier for user-facing situations. OpenAI systems run on an Azure-based supercomputing platform from Microsoft. param openai_api_key: Optional [str] = None (alias 'api_key') ¶ Automatically inferred from env var OPENAI_API_KEY if not provided. param openai_organization: Optional [str] = None (alias 'organization') ¶ Automatically inferred from env var OPENAI_ORG_ID if It implements the OpenAI Completion class so that it can be used as a drop-in replacement for the OpenAI API. Dec 9, 2024 · class langchain_openai. Their framework enables you to build layered LLM-powered applications that are context-aware and able to interact dynamically with their environment as agents, leading to simplified code for you and a more dynamic user experience for your customers. After that, they are empowered by LLM and have there func Dec 9, 2024 · OpenAI Chat large language models. This example goes over how to use LangChain to interact with OpenAI models. base_url: Optional[str] Base URL for API requests. Head to https://platform. This package contains the LangChain integrations for OpenAI through their openai SDK. Introducing the Since the openai_trtllm is compatible with OpenAI API, you can easily integrate with LangChain as an alternative to OpenAI or ChatOpenAI. llms. When using exclusively OpenAI tools, you can just invoke the assistant directly and get final answers. Bases: BaseOpenAI Azure-specific OpenAI large language models. Credentials Head to platform. LangChain agents (the AgentExecutor in particular) have multiple configuration parameters. utils import ConfigurableField from langchain_openai import ChatOpenAI model = ChatAnthropic (model_name = "claude-3-sonnet-20240229"). NOTE: Using bind_tools is recommended instead, as the functions and function_call request parameters are officially marked as deprecated by OpenAI. Jan 30, 2025 · To further enhance your chatbot, explore LangChain’s documentation (LangChain Docs), experiment with different LLMs, and integrate additional tools like vector databases for better contextual understanding. param openai_organization: Optional [str] [Optional The Assistants API currently supports three types of tools: Code Interpreter, Retrieval, and Function calling. Define OPENAI_API_KEY or ANTHROPIC_API_KEY on your system. For detailed documentation on OpenAI features and configuration options, please refer to the API reference. OpenAI-Compatible Server vLLM can be deployed as a server that mimics the OpenAI API protocol. 0 ¶ Frequency with which to check run progress in ms. please keep the key safe and private. getpass ("Enter API key for OpenAI Step 1: Create your own API key in Secrets Manager (MUST) Note: This step is to use any string (without spaces) you like to create a custom API Key (credential) that will be used to access the proxy API later. Once you’ve done this set the OPENAI_API_KEY environment variable: Explore resources, tutorials, API docs, and dynamic examples to get the most out of OpenAI's developer platform. LLM-generated interface: Use an LLM with access to API documentation to create an interface. Once you’ve done this set the OPENAI_API_KEY environment variable: LangChain4j provides 4 different integrations with OpenAI for using chat models, and this is #1 : OpenAI 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). OpenLLM lets developers run any open-source LLMs as OpenAI-compatible API endpoints with a single command. For example, Klarna has a YAML file that describes its API and allows OpenAI to interact with it: A bridge to use Langchain output as an OpenAI-compatible API. Only specify if using a proxy or service emulator. Uses async, supports batching and streaming. Overview Integration details To use the Azure OpenAI service use the AzureChatOpenAI integration. As an example, let's get a model to generate a joke and separate the setup from the punchline: ["OPENAI_API_KEY"] = getpass. The figure below shows the overall architecture. openai. Once you’ve done this set the OPENAI_API_KEY environment variable: To access OpenAIEmbeddings embedding models you’ll need to create an OpenAI account, get an API key, and install the @langchain/openai integration package. format = password. LiteLLM Proxy is OpenAI-Compatible, it works with any project that calls OpenAI. 🚀 Expose Langchain Agent result as an OpenAI-compatible API 🚀. param openai_organization: Optional [str] = None (alias 'organization') ¶ Automatically inferred from env var OPENAI_ORG_ID if Nov 17, 2023 · This quick start focus mostly on the server-side use case for brevity. Review full docs for full user-facing oauth developer support. runnables. To pass provider-specific args, go here Feb 8, 2024 · Starting with version 1. This page goes over how to use LangChain with Azure OpenAI. OpenAI is an artificial intelligence (AI) research laboratory. Here we focus on how to move from legacy LangChain agents to more flexible LangGraph agents. The openai Python package makes it easy to use both OpenAI and Azure OpenAI. An OpenAI API key. OpenAI Official SDK uses the official OpenAI Java SDK. Jun 14, 2024 · Seamless Integration — Connect Langchain agents using OpenAI-compatible APIs, including: OpenAI Compatible Assistant API; OpenAI Compatible Chat completion API; Built-in FastAPI Sep 17, 2024 · By integrating OpenAI with LangChain, you unlock extensive capabilities that empower manipulation and generation of human-like text through well-designed architectures. A FastAPI + Langchain / langgraph extension to expose agent result as an OpenAI-compatible API. Assumes model is compatible with OpenAI function-calling API. You can also check out the LangChain GitHub repository (LangChain GitHub) and OpenAI’s API guides (OpenAI Docs) for more insights. This allows vLLM to be used as a drop-in replacement for applications using OpenAI API. To access OpenAI models you'll need to create an OpenAI account, get an API key, and install the langchain-openai integration package. param openai_api_base: str | None = None (alias 'base_url') # Base URL path for API requests, leave blank if not using a proxy or service emulator. param openai_api_key: str | None = None (alias 'api_key') # Automatically inferred from env var OPENAI_API_KEY if not provided. param check_every_ms: float = 1000. Usage Functions: For example, OpenAI functions is one popular means of doing this. Installation and Setup Get an OpenAI api key and set it as an environment variable (OPENAI_API_KEY) Chat model See a usage example. Quickstart Many APIs are already compatible with OpenAI function calling. create call can be passed in, even if not explicitly saved on this class. While LangChain has it's own message and model APIs, we've also made it as easy as possible to explore other models by exposing an adapter to adapt LangChain models to the OpenAI api. Output is streamed as Log objects, which include a list of jsonpatch ops that describe how the state of the run has changed in each step, and the final state of the run. This changeset utilizes BaseOpenAI for minimal added code. This means that the open models can be used as a replacement without any need for code modification. com to sign up to OpenAI and generate an API key. . You can call Azure OpenAI the same way you call OpenAI with the exceptions noted below. If not passed in will be read from env var OPENAI_ORG_ID. To access OpenAI chat models you’ll need to create an OpenAI account, get an API key, and install the @langchain/openai integration package. Dec 9, 2024 · Base URL path for API requests, leave blank if not using a proxy or service emulator. Although you can use the TensorRT LLM integration published recently, it has no support for chat models yet, not to mention user defined templates. tiktoken is a fast BPE tokeniser for use with OpenAI's models. It implements the OpenAI Completion class so that it can be used as a drop-in replacement for the OpenAI API. LangChain's integrations with many model providers make this easy to do so. Many of the latest and most popular models are chat completion models. Sep 11, 2023 · Langchain as a framework. ChatGPT is the Artificial Intelligence (AI) chatbot developed by OpenAI. Credentials Head to OpenAI’s website to sign up for OpenAI and generate an API key. langchain helps us to build applications with LLM more easily. This will help you get started with OpenAI completion models (LLMs) using LangChain. Base URL path for API requests, leave blank if not using a proxy or service emulator. param async_client: Any = None ¶ OpenAI or AzureOpenAI async client. In this example, we'll consider an approach called hierarchical planning, common in robotics and appearing in recent works for LLMs X robotics. OpenAI-Compatible Completion Jan 14, 2024 · In many LLM Application, OpenAI API is a widely used format. API configuration To access OpenAI embedding models you'll need to create a/an OpenAI account, get an API key, and install the langchain-openai integration package. The API can be directly used with OpenAI's client libraries or third-party tools, like LangChain or LlamaIndex. Install requirements. Jul 5, 2024 · Expand the capabilities of your conversational agents and enable them to interact dynamically with APIs. param openai_organization: str | None = None (alias Dec 9, 2024 · Use as a LangChain agent, compatible with the AgentExecutor. The goal of this project is to create an OpenAI API-compatible version of the embeddings endpoint, which serves open source sentence-transformers models and other models supported by the LangChain's HuggingFaceEmbeddings, HuggingFaceInstructEmbeddings and HuggingFaceBgeEmbeddings class. Share your own examples and guides. Description Links; LLMs Minimal example that reserves OpenAI and Anthropic chat models. May 2, 2023 · LangChain is a framework for developing applications powered by language models. param assistant_id: str [Required] ¶ OpenAI assistant id. OpenAI large language models. The OpenAI API is powered by a diverse set of models with different capabilities and price points. server, client: Retriever Simple server that exposes a retriever as a runnable. FastChat API server can interface with apps based on the OpenAI API through the OpenAI API protocol. Browse a collection of snippets, advanced techniques and walkthroughs. 0, TGI offers an API compatible with the OpenAI Chat Completion API. 🔬 Build for fast and production usages; 🚂 Support llama3, qwen2, gemma, etc, and many quantized versions full list; ⛓️ OpenAI-compatible API; 💬 Built-in ChatGPT like UI; 🔥 Accelerated LLM decoding with state-of-the-art from langchain_anthropic import ChatAnthropic from langchain_core. OpenAI 是一家美国人工智能 (AI) 研究实验室，由非营利组织 OpenAI Incorporated 及其营利性子公司 OpenAI Limited Partnership 组成。OpenAI 进行人工智能研究，其公开声明的目的是促进和开发友好的人工智能。OpenAI 系统在 Microsoft 的 Azure 基础上构建的超级计算平台上运行。 Dec 9, 2024 · Base URL path for API requests, leave blank if not using a proxy or service emulator. This allows ChatGPT to automatically select the correct method and populate the correct parameters for the a API call in the spec for a given user input. param client: Any [Optional] ¶ OpenAI or AzureOpenAI client. Use any OpenAI-compatible UI or UI framework with your custom Langchain Agent. By bridging the LangChain framework with the versatile OpenAPI specification, we’ll OpenAI conducts AI research with the declared intention of promoting and developing a friendly AI. OpenAI conducts AI research with the declared intention of promoting and developing a friendly AI. Jun 9, 2023 · Local OpenAI API Server with FastChat. Constraints: type = string. A lot of people get started with OpenAI but want to explore other models. 📄️ OpenSearch. Just change the base_url , api_key and model . Feb 3, 2025 · Open-source examples and guides for building with the OpenAI API. You can interact with OpenAI Assistants using OpenAI tools or custom tools. azure. 📄️ OpenWeatherMap. These applications directly use ChatGPT via api key and openai client library. This server can be queried in the same format as OpenAI API. Installation and Setup. param openai_organization: str | None = None (alias 'organization') # Automatically inferred from env var OPENAI_ORG_ID if not provided. You are currently on a page documenting the use of text completion models. AzureOpenAI [source] ¶. OpenWeatherMap provides all essential weather data for a specific location: 📄️ OracleAI Vector Search Dec 9, 2024 · Base URL path for API requests, leave blank if not using a proxy or service emulator. organization: Optional[str] OpenAI organization ID. This page covers how to use the OpenSearch ecosystem within LangChain. openai provides convenient access to the OpenAI API. This examples goes over how to use LangChain to interact with both OpenAI and HuggingFace. mtkofiro tnyfuf cmb qhw etabn wfj msrl uari lxix ewmvam ilcwy rvpvtz jgs rhnrtggv fwtdbd