Claude Code has a new /model option: Opus for plan mode. This setting uses Claude Opus 4.1 for plan mode and Claude Sonnet 4 for all other work—getting the best of both models while maximizing your usage. https://t.co/puU31tqO3n

Announcement: Official support for Opus 4.1 planning and Sonnet 4 workhorse via /models in @claude_code Tips: 1) Ask Opus 4.1 to use Sonnet subagents in its plan to track parallelizable vs. sequential tasks. This multi-agent pairing outperforms single agents significantly.... See more