Timeline
Released version 2.1.221 with credential masking, VSCode Focus view, and 20 security fixes
Claude Code shifts to a policy-controlled execution layer with deterministic security workflows
Open-source plugin 'dont-let-me' released for Claude Code, Codex, and OpenCode
Claude Code skills feature introduced, allowing reusable instruction packs in ~/.claude/skills/
Claude Code now ships with Plan mode as a first-class safety rail for cross-file refactors
Claude Code's Plan mode introduced as a safety rail for cross-
Codex reached 5 million weekly users
OpenAI merges Codex into ChatGPT, discontinuing the standalone API
Codex 'locked use' feature spotted on macOS for background AI coding
Codex integrated into ChatGPT mobile app for iOS and Android
Ecosystem
Claude Code
Codex API
Benchmarks
Evidence (15 articles)
OpenAI Offers Washington 5% of $852B Valuation to Ease AI Pressure
Jul 3, 2026Stop Telling Claude Code to 'Fix' Things
Aug 9, 2026Claude Code vs. Codex: Real-World Devs Reveal When Each Tool Wins
Jun 20, 2026Meta Bans Claude Code, Codex to Block Distillation as Internal Spend Hits
Jun 29, 2026Graft: Replace MCP Tool Calls with a Semantic Code Map That Cuts Agent
Aug 12, 2026Donate Claude Code Traces to Hugging Face's Open Dataset in One Command
Jun 22, 2026OpenAI Buys Ona to Give Codex Multi-Day Autonomous Coding
Jun 12, 2026Namecom-CLI Ships Agent Skill for Claude Code DNS Management
Jun 20, 2026+ 7 more articles