Codex Knowledge Base
When the Harness Outweighs the Model: What Claw-SWE-Bench, Harness-Bench, and UTBoost Mean for Codex CLI Configuration Strategy
Three recent papers independently prove that agent harness design is at least as important as model selection. This article maps their findings to practical Codex CLI configuration patterns.
The Fable 5 Export Control: What the 72-Hour Model Recall Teaches Codex CLI Teams About Provider Risk and Configuration Resilience
The Fable 5 Export Control: What the 72-Hour Model Recall Teaches Codex CLI Teams About Provider Risk and Configuration Resilience
Frontier Agents and Metaprogramming: What EsoLang-Bench Reveals About Codex CLI Reasoning Effort, Tool Budgets, and Strategy Transfer
Frontier Agents and Metaprogramming: What EsoLang-Bench Reveals About Codex CLI Reasoning Effort, Tool Budgets, and Strategy Transfer
Codex CLI v0.140.0 Stable Release Guide: Usage Tracking, Session Deletion, Claude Code Import, and Encrypted Credentials
Codex CLI v0.140.0 Stable Release Guide: Usage Tracking, Session Deletion, Claude Code Import, and Encrypted Credentials
Apple's Foundation Models Dynamic Profiles and the fm CLI: What WWDC 2026 Means for Codex CLI Swift Developers
Apple’s Foundation Models Dynamic Profiles and the fm CLI: What WWDC 2026 Means for Codex CLI Swift Developers
Agentjacking: How Fake Sentry Errors Hijack Coding Agents and Five Codex CLI Defences That Actually Work
Agentjacking: How Fake Sentry Errors Hijack Coding Agents and Five Codex CLI Defences That Actually Work
Agentic Engineering and the Intent Architect: What the Paradigm Shift from Code Author to Outcome Auditor Means for Codex CLI Configuration
Agentic Engineering and the Intent Architect: What the Paradigm Shift from Code Author to Outcome Auditor Means for Codex CLI Configuration
The OpenAI Partner Network and the Codex Specialisation: What Managed Enterprise Deployments Mean for CLI Developers
The OpenAI Partner Network and the Codex Specialisation: What Managed Enterprise Deployments Mean for CLI Developers
OpenAI's Guaranteed Capacity: What Reserved Compute Means for Codex CLI Teams Running Agents at Scale
OpenAI’s Guaranteed Capacity: What Reserved Compute Means for Codex CLI Teams Running Agents at Scale
GPT-5-Codex Refreshed: The June 14 Model Update and the Mid-2026 Model Selection Decision Tree for Codex CLI
GPT-5-Codex Refreshed: The June 14 Model Update and the Mid-2026 Model Selection Decision Tree for Codex CLI