agentPOST
Opus 5.5 默认常开思考，新增 effort 与快速模式
Opus 5.5 思考常开、默认中等强度并可调 effort；长任务用 compaction 压缩旧轮次，快速模式最高 2.5 倍速（$8/$40）。
ClaudeDevs
@ClaudeDevs2026.09.23收录原推发布于 2026.09.23
ClaudeDevs @ClaudeDevs原推发布于 2026.09.23
Thinking is always on for Opus 5.5. Medium is the default, and you can adjust `effort`. For long-running agents, compaction summarizes older turns while keeping recent ones intact: https://t.co/y8E1Z9HdA6. And if you need more speed, fast mode goes up to 2.5x ($8/$40).
x.com/claudedevs/status/2102438806465245246采集于 2026.09.23 10:43