AI article
Claude Sonnet 5.5
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Hacker News | Sep 28, 2026 | D2OQZG8l5BI1S06
Automated excerpt
Introducing Claude Sonnet 5. 5, the second model in the Claude 5. 5 family. Sonnet 5. 5 generates outputs 30%+ faster than Sonnet 5, making it our fastest Sonnet model to date. Alignment and safety. Sonnet 5. 5 uses the same set of biology safeguards as Sonnet 5.
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