Search developer resources Conversation state Background mode Counting tokens Supported countries OpenAI Crawlers Terms and policies Agent Builder Overview Migration guide Node reference Safety in building agents Migration guide Safety in building agents Evals Getting started Working with evals Prompt optimizer External models Best practices Graders Getting started Working with evals Prompt optimizer External models Fine-tuning Optimization cycle Supervised fine-tuning Vision fine-tuning Direct preference optimization Reinforcement fine-tuning RFT use cases Best practices Optimization cycle Supervised fine-tuning Vision fine-tuning Direct preference optimization Reinforcement fine-tuning Assistants API Migration guide Deep dive Tools Migration guide Model selection Text generation Code generation Structured output Prompt engineering Citation formatting Migration guide Prompt generation Frontend prompting Reasoning models Reasoning best practices Images and video Images and vision Image generation Video generation Realtime and audio Audio and speech Specialized models Agent definitions Models and providers Results and state Integrations and observability Evaluate agent workflows Advanced integrations Function calling Search and retrieval Connect tools and data MCP and Connectors Secure MCP Tunnel Build tool workflows Programmatic tool calling Computer and code Code interpreter Image generation Live translation Realtime prompting guide Audio and speech File transcription Realtime transcription Speech generation Connection methods Sessions and operations Managing conversations Voice activity detection Realtime with tools Webhooks and server-side controls Production best practices Deployment checklist Performance and quality Latency optimization Predicted Outputs Accuracy optimization Cost and throughput Cost optimization Flex processing Safety and governance Safety best practices Safety checks Cybersecurity checks Under 18 API Guidance Cybersecurity checks Under 18 API Guidance Content provenance Infrastructure and access Terraform provider Overview Projects and access Service accounts Rate limits and spend Model, tool, and data controls Import and reconciliation Projects and access Service accounts Rate limits and spend Model, tool, and data controls Import and reconciliation Workload identity federation Codex setup Federation rules Admin API X.509 certificates (beta) Kubernetes AWS Microsoft Azure Google Cloud Oracle Cloud Infrastructure GitHub Actions SPIFFE Federation rules X.509 certificates (beta) Microsoft Azure Oracle Cloud Infrastructure IP egress ranges Plugin architecture Brainstorm use cases Build an MCP server Add UI to your MCP server (optional) Authenticate users Package your plugin Test and publish Connect and test your plugin Submit and publish Submission error reference Conversion specs Restaurant reservation spec Product checkout spec Optimize Metadata Submit a Claude Code plugin Security & Privacy Troubleshooting Plugin guidelines MCP server review requirements Plugin UI reference Checkout API reference Trigger workspace agent runs Authenticate with Workspace Agent access tokens Measurement Pixel Multiple Pixels (Advanced) Conversions API Supported Events API Partner Setup

Delta Feeds API Campaign Targeting Conversion-Optimized Campaigns Custom Audiences Conversion Setup Get started with Work Import from another agent Personalize ChatGPT Skills & Plugins ChatGPT desktop app ChatGPT on the web Codex IDE extension Feature Maturity Projects and chats Scheduled tasks Long-running work Image generation Chrome extension Work with files Troubleshooting Computer History Advanced Config Config Reference Environment Variables Agent configuration Extend ChatGPT and Codex Record & Replay Windows sandbox Development workflows Integrated terminal Extend and automate Local environments Cloud environment Build with Codex Non-interactive mode Third-party integrations CLI customization Developer commands Developer settings Agent approvals & security Internet access Codex Security plugin Quickstart Run a security scan Run a deep scan Review code changes Use the Security workbench Triage a backlog Fix findings Propose security hardening Write vulnerability reports Export and track findings Changelog Run a security scan Run a deep scan Review code changes Use the Security workbench Triage a backlog Propose security hardening Write vulnerability reports Export and track findings Codex Security CLI Quickstart Run bulk scans Run scans in CI Reference FAQ Run scans in CI Codex Security cloud Setup Security Review Improving the threat model FAQ Security Review Improving the threat model Models & Trusted Access Recommended configuration Getting started Admin rollout guide ChatGPT Work Overview ChatGPT Work admin FAQ Identity and authentication Authentication overview Workload identity Personal Access Tokens Service accounts Workspace access, policy, and models Groups and provisioning Roles and workspace permissions GPTs and Sharing Managed configuration HIPAA configuration Workspace model availability Plugin and connector controls Plugin controls Usage, governance, and compliance Workspace analytics Compliance API and audit events Deployment and model providers Manage app updates Windows app deployment Remote connections Explore use cases Online trainings Codex Ambassadors Codex for Students Codex for Open Source Explore use cases Online trainings Codex Ambassadors Codex for Students Codex for Open Source Scaling cyber defenders with Daybreak Codex as a platform: build on the open agent harness Custom Code Review rules for Codex Mastering remote engineering work from your phone Making private MCP servers reachable without making them public Cookbook on GitHub OpenAI Developers plugin Image generation Video generation Codex Ambassadors Codex for Students Codex for Open Source OpenAI for Startups Developer Forum Videos and stories for working with ChatGPT and Codex. Product updates, demos, and stories from ChatGPT and Codex. Codex for Solutions Engineers: Making AI Tangible for Customers Builders Unscripted: Ep. 4 - Pietro Schirano Record & Replay in Codex Build and test iOS apps without leaving Codex Codex as a Solutions Engineering Partner Analyze earnings and update your investment thesis with Codex Mastering remote engineering work from your phone Use Remote in the ChatGPT mobile app to start, steer, review, and organize engineering work. Using skills to accelerate OSS maintenance Using skills and GitHub Actions to optimize Codex workflows in the OpenAI Agents SDK repos. Run long horizon tasks with Codex Frequently asked account and billing questions Developer forum Discuss topics with other developers Courses and resources for learning about AI Check the status of OpenAI services Loading docs agent...