Claude Sonnet 5 is the most agentic Sonnet model yet, rivaling Opus 4.8 in performance at lower prices, Anthropic said.

You give yourself the best tools for the job: an IDE that shows you the whole codebase at a glance, the fastest terminal you can find, an operating system that runs a dozen things at once so you never ...

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This article provides an explanation of Claude Sonnet 5, announced by Anthropic on June 30, 2026, focusing on performance, pricing, and safety, based on primary information from the official blog and ...