Anthropic Launches Claude Sonnet 5: A Powerful Mid-Tier Model
Anthropic has launched Claude Sonnet 5, its most advanced mid-tier model yet. It performs similarly to the flagship Opus 4.8 on various tasks but is priced at a fraction of the cost. As stated by Anthropic on June 30, 2026, Sonnet 5 is now available across all plans. The company designed it to act and perform, not merely answer questions.
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