v2.1.280
What's changed Added Claude Opus 5.5 (claude-opus-5-5), now the default Opus model — 1M context, $4/$20 per Mtok with $0
推荐理由：产品能力或用户体验有变化，值得关注
What's changed Added Claude Opus 5.5 (claude-opus-5-5), now the default Opus model — 1M context, $4/$20 per Mtok with $0
推荐理由：产品能力或用户体验有变化，值得关注