Codex Weekly: Codex CLI Becomes an Agent OS
Codex Weekly: Codex CLI becomes an agent OS with plugins and hooks, Ultrafast mode hits 750 tok/s, and Anthropic overtakes OpenAI on revenue and adoption.
Codex Weekly
Codex Weekly follows OpenAI Codex and the wider OpenAI developer-tooling ecosystem: releases, agentic coding capabilities, pricing changes, and what they mean for engineering organizations. It is written for developers and engineering leaders evaluating AI coding agents in the enterprise. Published weekly by Kevin Kaminski of Big Hat Group.
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- Codex Weekly: GPT-5.1-Codex-Max Becomes the Default, IBM Partners at Scale, and Astra Approaches the 'Critical' Line
- Codex Weekly: v0.147 Ships CI/CD Automation, MCP Protocol Finalized, Agents SDK Goes Enterprise, and the Security Incident That Changed the Conversation
- Codex Weekly: CLI v0.146 Goes Plugin-Native, Codex Security Open-Sourced, and Opus 5 Reshapes the Coding Stack
- Codex Weekly: CLI v0.145 Goes Multi-Agent, 15 Model Retirements Hit, and Gemini 3.5 Pro Still Missing
- Codex Weekly: Sol's Destructive Autonomy, Codex CLI v0.144.5, and Gemini 3.5 Pro's 2M Context
- Codex Weekly: GPT-5.6 Goes GA, ChatGPT Work Launches, and Codex CLI Hits v0.143
- Codex Weekly: OpenAI’s Pivot to Enterprise Agents, GPT-5.6 Sol, and Multi-Cloud Strategy
- Codex Weekly: The June 2026 Agent Ecosystem and OpenAI's Strategic Pivot
- Codex Weekly: Record & Replay Ships, Claude Fable 5 Exits, and the Enterprise Agent Security Playbook Firms Up
- Codex Weekly: OpenAI Files for IPO, Sites Goes Preview, and Three Platform Deprecations Land
- Codex Weekly: Codex Goes Vertical, Dreaming V3 Rewrites Memory
- Codex Weekly: Agents SDK Gets Model-Native Harness, Workspace Agents GA, Enterprise Partnerships
- Codex Weekly: Universal Agent, GPT-5.5 Instant Cuts Hallucinations 52%, OpenAI Launches DeployCo
- Codex Weekly: 4M Users, Chrome Extension, and the Shift to Daily Work Agent
- Codex Weekly: Multi-Cloud Era Begins — Codex Lands on AWS, Symphony Open-Sourced
- Codex Weekly: GPT-5.5 Ships, Agents SDK Gets Sandboxes, and Codex Crosses 4M Developers
- Codex Weekly: DALL-E Sunset Countdown, OpenAI Backs Liability Bill, and AI War Game Concerns
- Codex Weekly: Astral Acquisition, GPT-5.4 Mini, $110B
- Codex Weekly: Security Scanner, Pentagon Fallout, GPT-5.4