Developed using Python and powered by the FastAPI framework, it provides an efficient, scalable, and user-fri A high-performance API server that provides OpenAI-compatible endpoints for MLX models. 2-Codex - GPT-5. OpenAI provides models with agentic strengths, a toolkit for agent creation and deploys, and dashboard features for monitoring and optimizing agents. See the Streaming section below for more information. It’s now available on the new Responses API, an API that can be stateful or stateless, and with from new features like metadata filtering Creating Vector Store with our PDFs !pip install PyPDF2 pandas tqdm openai -q Oct 1, 2024 · This repository provides documentation, standalone libraries, and sample code for using /realtime -- applicable to both Azure OpenAI and standard OpenAI v1 endpoint use. Model ID used to generate the response, like gpt-4o or o3. Responses | OpenAI API Reference 网络搜索工具 curl https://你的api服务器地址/v1/responses\ -H"Content-Type: application/json"\ -H"Authorization: Bearer $API_API_KEY"\ -d' { "model": "gpt-4. It covers the minimal setup required to mock OpenAI API calls in a pytest test function using the `@openairesp May 11, 2025 · By leveraging the Responses API with OpenAI’s latest reasoning models, you can unlock higher intelligence, lower costs, and more efficient t With under 10 lines of code, you can connect to OpenAI, Anthropic, Google, and more. The project defines a shared schema, client libraries, and tooling that let you call language models, stream outputs, and build agentic workflows without being locked into a single provider. With Codex, developers can simultaneously deploy multiple agents to independently handle coding tasks such as writing features, answering questions about your codebase, fixing bugs, and proposing pull requests for review. OpenAI offers a wide range of models with different capabilities, performance characteristics, and price points. In this article, you learn about authorization options, how to structure a request and receive a response. Python SDK, Proxy Server (AI Gateway) to call 100+ LLM APIs in OpenAI (or native) format, with cost tracking, guardrails, loadbalancing and logging. If set to true, the model response data will be streamed to the client as it is generated using server-sent events. See below for the full code snippet: Jan 10, 2026 · Letting GPT-5. The model supports building projects from scratch, feature development, debugging, large-scale refactoring, and code Responses API Our newest API combining the simplicity of Chat Completions with the built-in tool use of Assistants. Aug 27, 2025 · When using the OpenAI Agents SDK in Python with Azure OpenAI as the default model (via the async Azure client), the SDK ignores the Azure configuration and still requires OPENAI_API_KEY. For specific topics, see: Defining Mock Responses - Detailed guide on response configuration 2 days ago · This page provides an overview of how to install and begin using `openai-responses` for mocking OpenAI API requests in your pytest tests. Prerequisites Let’s begin with updating your OpenAI SDK that supports the new params and tools for GPT-5. Read the API Reference to understand Pydantic AI's interface. js. This reference focuses on the technical specifications and implementation details for the unified Responses API. GPT-5-Codex is a version of GPT-5 optimized for agentic coding tasks in Codex or similar environments. It enables models to retrieve information in a knowledge base of previously uploaded files through semantic and keyword search. Apr 7, 2023 · This post outlines how to create references for large language model AI tools like ChatGPT and how to present AI-generated text in a paper. 2 days ago · This document provides detailed instructions for installing `openai-responses`, including dependency requirements, version compatibility information, and verification steps. Since this server is compatible with OpenAI API, you can use it as a drop-in replacement for any applications using OpenAI API. Models can generate almost any kind of text response—like code, mathematical equations, structured JSON data, or human-like prose. Fix by changing the function signature to accept { sign }. from langchain_openai import ChatOpenAI from langchain. Nov 10, 2023 · You can use the file ID in the citation to download the file using this endpoint: https://platform. Mar 11, 2025 · File search was previously available on the Assistants API. After line 37: you must append the model’s first response. It's available in the Responses API only and the underlying model snapshot will be regularly updated. Agents are systems that intelligently accomplish tasks—from simple goals to complex, open-ended workflows. Nov 13, 2025 · A complete overview of the new OpenAI Responses API. Conversation States: Managing conversation states for seamless With the release of OpenAI's responses API, there has never been a better time to start building AI applications, particularly those that require a deeper understanding of the world. Complete reference documentation for the OpenAI API, including examples and code snippets for our endpoints in Python, cURL, and Node. > As model capabilities evolve, the Responses API is a flexible foundation for building action-oriented applications, with built-in tools: Web search 2 days ago · This page demonstrates how to write your first test using the `openai-responses` library. Preview In this guide we’ll build an app that answers questions about the website’s content. Sep 28, 2025 · This document provides comprehensive reference documentation for the OpenAI /v1/responses API endpoint, covering all parameters, content types, streaming capabilities, tools integration, and structured output formats. Learn what it is, how it compares to Chat Completions and Assistants, and its key features and limitations. gpt-oss should not be used without using the harmony format, as it will not work correctly. It’s now available on the new Responses API, an API that can be stateful or stateless, and with from new features like metadata filtering Creating Vector Store with our PDFs !pip install PyPDF2 pandas tqdm openai -q Aug 5, 2025 · Use the API vLLM exposes a Chat Completions-compatible API and a Responses-compatible API so you can use the OpenAI SDK without changing much. We recommend you use LangChain if you want to quickly build agents and autonomous 2 days ago · User Guide Relevant source files This guide provides comprehensive instructions for using openai-responses to mock OpenAI API calls in your tests. 1", "tools": [ { "type": "web_search_preview" }], "input": "今天有什么积极正面的新闻?" }' 响应示例: Complete reference documentation for the OpenAI API, including examples and code snippets for our endpoints in Python, cURL, and Node. 2-Codex via API, bringing advanced agentic coding, security analysis, and enterprise workflows to developers. For preview models, it's 90-120 days from launch. We can create a simple indexing pipeline and RAG chain to do this in ~40 lines of code. 5 days ago · Sample code and API for OpenAI: GPT-5. middleware import wrap_model_call, ModelRequest, ModelResponse basic_model = ChatOpenAI(model="gpt-4o-mini") advanced_model = ChatOpenAI(model="gpt-4o") @wrap_model_call def dynamic_model_selection(request: ModelRequest, handler A system (or developer) message inserted into the model's context. Developed using Python and powered by the FastAPI framework, it provides an efficient, scalable, and user-fri 5 days ago · See performance metrics across providers for OpenAI: GPT-5. We notify customers of upcoming retirements for each deployment in the following ways: We notify customers at model launch by programmatically designating a not sooner than retirement date. Concepts Roles Every message that the model processes has a role associated with it. Use remote MCP servers and OpenAI-maintained connectors for popular services to give models new capabilities. Join :simple-slack: Slack or file an issue on GitHub if you have any questions. Starting a new project? We recommend trying Responses to take advantage of the latest OpenAI platform features. It is designed to make it easier to build multi-provider, interoperable LLM interfaces. This repository contains a reference client aka sample library for connecting to OpenAI's Realtime API. Learn how to stream model responses from the OpenAI API using server-sent events. This article features detailed descriptions and best practices on the quotas and limits for Azure OpenAI. Explore resources, tutorials, API docs, and dynamic examples to get the most out of OpenAI's developer platform. Make sure you’ve set OPENAI_API_KEY as an environment May 16, 2025 · Introducing Codex: a cloud-based software engineering agent that can work on many tasks in parallel, powered by codex-1. It brings together the best capabilities from the chat completions and assistants API in one unified experience. Read the docs to learn more about building applications with Pydantic AI. As a result, real-time mode fails because the SDK always attempts to authenticate against OpenAI’s public API instead of using the Azure client credentials. Powering faster, smarter agents with GPT-4o & o-series models, plus new features for reliability and efficiency. It covers decorator usage, assertion strategies, statef Dec 11, 2025 · GPT-5. Learn how to use Azure OpenAI's REST API. For example, another way to query the server is via the openai Python package: Code Explore resources, tutorials, API docs, and dynamic examples to get the most out of OpenAI's developer platform. output back into the running 4 days ago · OpenAI launches GPT-5. 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. Embed a widget to build your own chat experiences. The easiest way to get playing with the API right away is to The Responses API is our new API primitive, an evolution of Chat Completions which brings added simplicity and powerful agentic primitives to your integrations. Refer to the model guide to browse and compare available models. For example, another way to query the server is via the openai Python package: Code A system (or developer) message inserted into the model's context. 2-Codex OpenRouter normalizes requests and responses across providers for you. Built-in tools guide Guide to using OpenAI's built-in tools with the Responses API. With the OpenAI API, you can use a large language model to generate text from a prompt, as you might using ChatGPT. This makes it simple to swap out system (or developer) messages in new responses. The Conversations API works with the Responses API to persist conversation state as a long-running object with its own durable identifier. t Oct 3, 2025 · OpenAI 目前有两套主要的文本生成 API： Chat Completions API (/v1/chat/completions) – 使用 messages 数组 Responses API (/v1/responses) – 使用 input + instructions 分离式参数 当你的请求格式与目标 API 端点不匹配时，就会触发 field messages is required 或类似错误。 A high-performance API server that provides OpenAI-compatible endpoints for MLX models. Here’s a Python example: Oct 1, 2024 · This repository provides documentation, standalone libraries, and sample code for using /realtime -- applicable to both Azure OpenAI and standard OpenAI v1 endpoint use. It offers a streamlined way to build powerful agentic experiences by allowing Complete reference documentation for the OpenAI API, including examples and code snippets for our endpoints in Python, cURL, and Node. May 21, 2025 · New features in the Responses API: Remote MCP, image gen, Code Interpreter, and more. After creating a conversation object, you can keep using it across sessions, devices, or jobs. When using along with previous_response_id, the instructions from a previous response will not be carried over to the next response. Compare capabilities, context windows, and pricing across providers. Connect with OpenAI connectors or third-party servers, or add your own server. 3 days ago · OpenAIは2026年1月15日、Responses APIを基盤とした、マルチプロバイダー対応かつ相互運用可能なLLMインターフェース構築のためのオープンソース仕様「Open Responses」を公開した。 Responses | OpenAI API Reference The Responses API is a new way to interact with OpenAI models, designed to be simpler and more flexible than previous APIs. Specifically, it appends each response token to a single Ably message, creating a complete AI response that grows incrementally while delivering tokens in realtime. It combines the strengths of the Chat Completions and Assistants APIs into a single streamlined interface. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks. Try popular services with a free Azure account, and pay as you go with no upfront costs. 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. Text Prompting: Crafting effective text prompts for the API. openai. The Responses API is a new way to interact with OpenAI models, designed to be simpler and more flexible than previous APIs. com/docs/api-reference/files/retrieve-contents Originally launched by OpenAI and now natively supported in Microsoft Foundry, the Responses API combines the simplicity of the Chat Completions API with the advanced tool-calling capabilities of the legacy Assistants API. Jul 31, 2024 · This page provides an instruction & guide for developers building a GPT Action for a specific application. Memory tools for OpenAI function calling with Supermemory integration Explore all frontier coding models from OpenAI, Anthropic, Google, and more. It makes it easy to build advanced AI applications that use multiple tools, handle multi-turn conversations, and work with different types of data (not just text). Learn how to use Azure OpenAI's advanced GPT-5 series, o3-mini, o1, & o1-mini reasoning models 2 days ago · This page documents common testing patterns, examples, and best practices for using the openai-responses library effectively in your test suite. If you want to learn more about prompting GPT-5-Codex, refer to our dedicated guide. Released in March 2025, it maintains familiar capabilities while providing a more integrated approach to building AI applications. This guide shows you how to stream AI responses from OpenAI's Responses API over Ably using the message-per-response pattern. 2 is our newest flagship model for enterprise and agentic workloads, designed to deliver higher accuracy, stronger instruction followi Azure OpenAI Service pricing information. It covers the prerequisites, installation process, basic usage Aug 5, 2025 · The format is designed to mimic the OpenAI Responses API, so if you have used that API before, this format should hopefully feel familiar to you. The model supports building projects from scratch, feature development, debugging, large-scale Codex CLI is a coding agent from OpenAI that runs locally on your computer. May 21, 2025 · To optimize for performance in production, use the allowed_tools parameter in the Responses API to limit which tools are included from the server’s mcp_list_tools. . A comprehensive guide for developers of all skill levels. 2 coding pal loose on the Python vs Javascript versions: What to edit (errors only) Using your JS snippet’s approximate line numbers: Line 23: getHoroscope is written to accept a string, but you pass it the parsed arguments object. It covers the core concepts, common usage patterns, and the main interface for configuring mock behavior. Before you proceed, make sure to Azure OpenAI notifies customers of active Azure OpenAI deployments for models with upcoming retirements. 1-Codex optimized for software engineering and coding workflows. Compare Chat Completions with Responses. Motivation and Mar 11, 2025 · To address these hurdles, OpenAI is introducing several new offerings: Responses API, built-in tools for web and file search, a computer use tool and the open-source Agents SDK. Originally launched by OpenAI and now natively supported in Microsoft Foundry, the Responses API combines the simplicity of the Chat Completions API with the advanced tool-calling capabilities of the legacy Assistants API. [Bedrock, Azure, OpenAI, VertexAI, Cohere, Anthropic, Sagemaker, HuggingFace, VLLM, NVIDIA NIM] - BerriAI/litellm Contribute to lhozdroid/openai-api development by creating an account on GitHub. Mar 18, 2025 · This is an OpenAI Responses API guide! This series will walk you through the essential features and functionalities of the new OpenAI Responses API that was just released The Responses API is a Responses | OpenAI API Reference Apr 8, 2025 · Learn how to use OpenAI's Responses API to build AI applications with function calling, structured outputs, and built-in tools. Learn more in the text generation, vision, and audio guides. Guidance for migrating from the Assistants API to the Responses API, including side-by-side comparisons and updated patterns. agents. While Chat Completions remains supported, Responses is recommended for all new projects. 5 days ago · Sample code and API for GPT-5. Creates a model response for the given chat conversation. We would like to show you a description here but the site won’t allow us. To learn more about MCP, see the connectors and MCP documentation. File search is a tool available in the Responses API. Next Steps To try Pydantic AI for yourself, install it and follow the instructions in the examples. Mar 26, 2025 · From OpenAI docs on Responses API: The Responses API is our newest core API and an agentic API primitive, combining the simplicity of Chat Completions with the ability to do more agentic tasks. MCP Call third-party tools and services. Jun 13, 2023 · This notebook covers how to use the Chat Completions API in combination with external functions to extend the capabilities of GPT models. This reduces token overhead, improves response time, and narrows the model’s decision space. Aug 7, 2025 · gpt-5 gpt-5-mini gpt-5-nano Responses API Chat Completions API Note: We recommend to use Responses API with GPT-5 series of model to get the most performance out of the models. agents import create_agent from langchain. A system (or developer) message inserted into the model's context. 2-Codex is an upgraded version of GPT-5. [Bedrock, Azure, OpenAI, VertexAI, Cohere, Anthropic, Sagemaker, HuggingFace, VLLM, NVIDIA NIM] - BerriAI/litellm Mar 11, 2025 · File search was previously available on the Assistants API. Apr 8, 2025 · What Is OpenAI’s Responses API? The Responses API is OpenAI’s newest and most advanced API. MCP connections are helpful in a workflow that needs to read or search data in another application, like Gmail or Zapier. 4 days ago · Open Responses is an open-source specification and ecosystem inspired by the OpenAI Responses API. You can use it to easily prototype conversational apps. Mar 18, 2025 · Introduction: Getting started with the OpenAI Responses API. If you want Codex in your code editor (VS Code, Cursor, Windsurf), install in your IDE. Browse options in the Agent Builder. The Responses API is a new stateful API from Azure OpenAI. This library is in beta and should not be treated as a final implementation.

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