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Recipes, guides, and notebooks to help you build with OpenAI models.

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Building resilient prompts using an evaluation flywheel

Building resilient prompts using an evaluation flywheel

Evals
Eval Driven System Design - From Prototype to Production

Eval Driven System Design - From Prototype to Production

CompletionsEvalsFunctionsResponses
Exploring Model Graders for Reinforcement Fine-Tuning

Exploring Model Graders for Reinforcement Fine-Tuning

Fine-tuning
Multi-Tool Orchestration with RAG approach using OpenAI's Responses API

Multi-Tool Orchestration with RAG approach using OpenAI's Responses API

FunctionsResponses
Web Search and States with Responses API

Web Search and States with Responses API

FunctionsResponses
Building a Voice Assistant with the Agents SDK

Building a Voice Assistant with the Agents SDK

AudioResponsesSpeech

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Web Search and States with Responses API

Web Search and States with Responses API

FunctionsResponses
MCP-Powered Agentic Voice Framework

MCP-Powered Agentic Voice Framework

Agents SDKFunctions
Doing RAG on PDFs using File Search in the Responses API

Doing RAG on PDFs using File Search in the Responses API

FunctionsResponses
Introduction to Structured Outputs

Introduction to Structured Outputs

CompletionsFunctions
Using reasoning for data validation

Using reasoning for data validation

CompletionsReasoning
How to call functions with chat models

How to call functions with chat models

CompletionsFunctions