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Post #481 8
Sonnet 5.5

Claude Sonnet 5.5 scores 70.6% on Terminal-Bench 4.0, up from Sonnet 5's 10.3%, while running 30% faster. Developers disabling thinking must switch to the between_tools setting.

💬 A security researcher notes that authorized bug bounty work is immediately blocked by the model's new cyber safeguards.
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797 points · 533 comments · #daily · @HNDigestEn
Anthropic Introducing Claude Sonnet 5.5 Claude Sonnet 5.5 is a clear upgrade over Claude Sonnet 5, runs 30%+ faster, and costs up to 30% less for most work.
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