This week in Claude Code, Codex and Gemini CLI (week of October 4, 2026)

Originally published at https://aicoding-guide.com. The headline this week: Claude Sonnet 5.5 (claude-sonnet-5-5) is now the default Sonnet model on the Anthropic API (v2.1.284). The official pricing table puts it at the same rates as Sonnet 5, so the switch costs you nothing. On features, Claude Mods extends what plugins can do (2.1.287). On... Weiterlesen: This week in Claude Code, Codex and Gemini CLI (week of October 4, 2026)