Optimization

SchemaFlow: Agentic Database Change Impact Analysis, SQL Generation, and Eval Guardrails

Moving from OpenAI Evals to Promptfoo

Getting Started with OpenAI Models on Amazon Bedrock

Macro Evals for Agentic Systems

Build an Agent Improvement Loop with Traces, Evals, and Codex

Evaluating Grounded Spatial Reasoning with GPT-5.5

Build iterative repair loops with Codex

Migrate a Legacy Codebase with Sandbox Agents

Realtime Prompting Guide

Codex Prompting Guide

Building Governed AI Agents - A Practical Guide to Agentic Scaffolding

Prompt Caching 201

Skills in OpenAI API

Image Evals for Image Generation and Editing Use Cases

Realtime Eval Guide

Self-Evolving Agents - A Cookbook for Autonomous Agent Retraining

Build, deploy, and optimize agentic workflows with AgentKit

Building resilient prompts using an evaluation flywheel

GPT-5 Prompt Migration and Improvement Using the New Optimizer

GPT-5 prompting guide

Frontend coding with GPT-5

Temporal Agents with Knowledge Graphs

Optimize Prompts

Prompt Migration Guide

Introduction to deep research in the OpenAI API

Building a Deep Research MCP Server

Fine-Tuning Techniques - Choosing Between SFT, DPO, and RFT (With a Guide to DPO)

Eval Driven System Design - From Prototype to Production

Multi-Agent Portfolio Collaboration with OpenAI Agents SDK

Exploring Model Graders for Reinforcement Fine-Tuning

Reinforcement Fine-Tuning for Conversational Reasoning with the OpenAI API

Image Understanding with RAG

Better performance from reasoning models using the Responses API

Practical Guide for Model Selection for Real‑World Use Cases

GPT-4.1 Prompting Guide

Evaluating Agents with Langfuse

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

Web Search and States with Responses API

Doing RAG on PDFs using File Search in the Responses API

How to use the Usage API and Cost API to monitor your OpenAI usage

Vision Fine-tuning on GPT-4o for Visual Question Answering