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重点
Claude Code v2.1.280 Release: Claude Opus 5.5 Now Default with 1M Context
AI intel briefing
Core summary
One sentence to understand this update
Anthropic released Claude Code v2.1.280, making Claude Opus 5.5 the default Opus model with 1M context and competitive pricing for tokens and cache reads.
Impact & opportunity
What this could mean
Builders can leverage the more powerful and cost-effective Claude Opus 5.5 model for large context tasks directly within Claude Code.
Source
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