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claude_dev_blog · Sep 28, 2026 · news
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Building with Claude Sonnet 5.5
claude.devSep 28, 2026
original source linked
In brief
When to choose Sonnet over Opus, what it costs, and how to tune it.
claude_dev_blog · Sep 28, 2026 · news
Source brief
claude.devSep 28, 2026
original source linked
In brief
When to choose Sonnet over Opus, what it costs, and how to tune it.