Unverified50% confidenceFactExact time
Fast Mode在保持与Opus 4.8同等智能水平的前提下，Token输出速度明显更快，更适合交互式编码和Agent工作流场景
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/6/2026
First Seen
Valid until: 10/4/2026
Sources
GitHub Copilot接入Claude Opus 4.8快模式：AI编程工具开始卷响应速度
bilibili海言的AI自动化6/30/2026
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