Anthropic launches Claude Sonnet 5, with performance close to Opus 4.8 at a lower price and substantially better agentic performance than Sonnet 4.6 (Anthropic)

<a href="https://www.anthropic.com/news/claude-sonnet-5"><img align="RIGHT" border="0" hspace="4" src="http://www.techmeme.com/260630/i29.jpg" vspace="4" /></a> <p><a href="https://www.techmeme.com/260630/p29#a260630p29" title="Techmeme permalink"><img height="12" src="http://www.techmeme.com/img/pml.png" style="border: none; padding: 0; margin: 0;" width="11" /></a> <a href="https://www.anthropic.com/">Anthropic</a>:<br /> <span style="font-size: 1.3em;"><b><a href="https://www.anthropic.com/news/claude-sonnet-5">Anthropic launches Claude Sonnet 5, with performance close to Opus 4.8 at a lower price and substantially better agentic performance than Sonnet 4.6</a></b></span>&nbsp; &mdash;&nbsp; Claude Sonnet 5 is built to be the most agentic Sonnet model yet.&nbsp; It can make plans, use tools like browsers and terminals &hellip; </p>