Anthropic Launches Sonnet 5: 40% Cost for Near-Opus Performance, Reshaping AI Inference Economics
Anthropic launches Claude Sonnet 5, a mid-range flagship model priced at 40% of Opus 4.8. It scores 63.2% on SWE-bench Pro, approaching Opus's 69.2%, and surpasses Opus on GDPval-AA v2. With native 1M token context and 48B average activated parameters, Sonnet 5 targets high-volume API revenue growth.
