OpenAI
14 articles available
Guides for OpenAI tools - Codex CLI, ChatGPT, API usage, and coding assistant workflows
How to Configure Approval and Sandbox Modes in OpenAI Codex CLI
intermediateConfigure OpenAI Codex CLI approval and sandbox modes for your workflow. Learn the differences between suggest, auto-edit, and full-auto modes, and set appropriate safety levels for your environment.
How to Fix OpenAI Codex CLI Context Window Exceeded Errors
intermediateResolve context window limit errors in OpenAI Codex CLI. Learn to manage token counts, use context compaction, configure file exclusions, and work effectively within model context limits.
How to Fix OpenAI Codex CLI Slow Performance
intermediateDiagnose and resolve slow performance issues in OpenAI Codex CLI. Optimize response times, reduce latency, handle large context windows efficiently, and configure settings for faster interactions.
How to Install OpenAI Codex CLI on Mac and Windows
beginnerStep-by-step instructions for installing OpenAI Codex CLI on macOS and Windows. Learn how to set up this AI coding assistant in your terminal with authentication options and troubleshooting tips.
How to Integrate Codex CLI with Your IDE
intermediateLearn how to integrate OpenAI Codex CLI with VS Code, Cursor, and Windsurf. Includes extension setup, terminal workflows, configuration options, and platform-specific instructions for macOS, Windows, and Linux.
How to Resume Sessions in Codex CLI
intermediateLearn how to resume and continue previous conversations in OpenAI Codex CLI. Complete guide covering session transcripts, context preservation, session management commands, and best practices for long-running tasks.
How to Set Up MCP Servers with OpenAI Codex CLI
intermediateComplete guide to configuring Model Context Protocol (MCP) servers in OpenAI Codex CLI. Connect Codex to GitHub, Figma, databases, and other external tools for enhanced AI-assisted development.
How to Switch Models in Codex CLI
intermediateLearn how to switch between GPT-5.2-Codex, GPT-5.1-Codex-Mini, and other models in OpenAI Codex CLI. Covers command-line flags, config.toml settings, and mid-session model switching with performance and cost considerations.
How to Use Codex CLI for Code Review
intermediateLearn how to use OpenAI Codex CLI's /review command for AI-powered code reviews. Master reviewing staged changes, customizing review criteria, and integrating Codex into your git workflow.
How to Use Git Worktrees with OpenAI Codex CLI
intermediateComplete guide to using Git worktrees with OpenAI Codex CLI for parallel development. Learn project root detection, AGENTS.md behavior, session management across worktrees, and best practices for multi-branch workflows.
How to Use Image Input with Codex CLI
intermediateLearn how to use the --image flag in OpenAI Codex CLI to convert mockups to code, analyze UI screenshots, and implement design-to-code workflows. Includes platform-specific tips for macOS, Windows, and Linux.
How to Run OpenAI Codex CLI with Local Models (Ollama, LM Studio)
advancedConfigure OpenAI Codex CLI to use local LLMs via Ollama, LM Studio, or other OpenAI-compatible APIs. Run coding tasks privately without sending data to external services.
How to Use Slash Commands in OpenAI Codex CLI
beginnerMaster slash commands in OpenAI Codex CLI to navigate sessions, manage context, and access special features. Learn all available commands and keyboard shortcuts for efficient AI-assisted coding.
Where OpenAI Codex CLI Stores Configuration Files
beginnerComplete reference for all OpenAI Codex CLI configuration file locations. Learn where config, credentials, sessions, logs, and rules are stored on macOS, Windows, and Linux with backup and migration instructions.