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Anthropic News·USA·2025-09-29· 5 min original

Introducing Claude Sonnet 4.5

By Anthropic

Anthropic's Sonnet 4.5 pushes state of the art on agentic coding tasks and long-horizon computer use.

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Mentioned in this story

Companies
  • Anthropic
Models
  • Claude Sonnet 4.5
Research
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