Codex Knowledge Base
The Silent Model Downgrade Problem: Detecting and Defending Against GPT-5.5 Quality Regression in Codex CLI Workflows
The Silent Model Downgrade Problem: Detecting and Defending Against GPT-5.5 Quality Regression in Codex CLI Workflows
Post-Rewrite Verification: Five Layers Beyond 'The Tests Pass'
Post-Rewrite Verification: Five Layers Beyond “The Tests Pass”
The 42-State Attorneys General Investigation into OpenAI: What Codex CLI Teams Should Audit Now
The 42-State Attorneys General Investigation into OpenAI: What Codex CLI Teams Should Audit Now
The Non-Developer's First Week with Codex: A Process Owner's Onboarding Guide
The Non-Developer’s First Week with Codex: A Process Owner’s Onboarding Guide
Kimi K2.7-Code Arrives: What Moonshot's Open-Weight Coding Model Means for Codex CLI Multi-Model Routing
Kimi K2.7-Code Arrives: What Moonshot’s Open-Weight Coding Model Means for Codex CLI Multi-Model Routing
Codex CLI for Platform Engineering Teams: Golden Paths, Internal Developer Platforms, and Agent-Ready Templates
Codex CLI for Platform Engineering Teams: Golden Paths, Internal Developer Platforms, and Agent-Ready Templates
Makefile-Driven Codex CLI: Wrapping Agent Tasks in Reproducible Build Targets
Makefile-Driven Codex CLI: Wrapping Agent Tasks in Reproducible Build Targets
Codex CLI for GraphQL Development: Apollo MCP Server, Schema-First Workflows, and Agent-Ready API Design
Codex CLI for GraphQL Development: Apollo MCP Server, Schema-First Workflows, and Agent-Ready API Design
Codex CLI's Two Worlds: How Your Authentication Path Shapes Billing, Rate Limits, and Model Access in June 2026
Codex CLI’s Two Worlds: How Your Authentication Path Shapes Billing, Rate Limits, and Model Access in June 2026
ChatGPT Advertising Arrives: What Sponsored Recommendations Mean for Codex CLI Developer Trust and Ad-Free Agent Workflows
OpenAI's ChatGPT now carries advertising. This article maps which Codex CLI authentication paths expose you to ads, how the April 2026 privacy policy update affects data handling, and the configuration...