Anthropic says Opus 5 model "is the least susceptible to being tricked into misuse"; it is Anthropic's fourth model release in less than two months (Madison Mills/Axios)

<a href="https://www.axios.com/2026/07/24/anthropic-releases-new-model-opus-5"><img align="RIGHT" border="0" hspace="4" src="http://www.techmeme.com/260724/i22.jpg" vspace="4" /></a> <p><a href="https://www.techmeme.com/260724/p22#a260724p22" title="Techmeme permalink"><img height="12" src="http://www.techmeme.com/img/pml.png" style="border: none; padding: 0; margin: 0;" width="11" /></a> Madison Mills / <a href="https://www.axios.com/">Axios</a>:<br /> <span style="font-size: 1.3em;"><b><a href="https://www.axios.com/2026/07/24/anthropic-releases-new-model-opus-5">Anthropic says Opus 5 model &ldquo;is the least susceptible to being tricked into misuse&rdquo;; it is Anthropic's fourth model release in less than two months</a></b></span>&nbsp; &mdash;&nbsp; Anthropic on Thursday is releasing Claude Opus 5, a new AI model designed to deliver performance close to its most powerful model &hellip; </p>