Claude Code v2.1.136 and OpenAI Codex v0.130.0 Released in Busy Week for AI Coding Tools

Anthropic released Claude Code v2.1.136 and OpenAI released Codex v0.130.0, continuing the rapid iteration cycle for terminal-based AI coding agents. Claude Code, with 122K GitHub stars, and Codex, with 81K stars, are both lightweight coding agents that run in the terminal and handle routine coding tasks through natural language. The releases come during a period of intense competition in the AI coding tool market, with both companies pushing frequent updates. Tailwind CSS also released v4.3.0, and the Vercel AI SDK released multiple canary updates including sandbox execution improvements.