Cisco releases Antares-350M and Antares-1B, two open-weight AI models to find known vulnerabilities within a codebase, and plans to release Antares-3B soon (Sam Sabin/Axios)

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Cisco released open-weight cybersecurity models for detecting known code vulnerabilities, with a larger Antares-3B model planned.

Categories: Model Releases, OSS & Tools

Excerpt

<a href="https://www.axios.com/2026/07/21/cisco-open-source-ai-models-cybersecurity"><img align="RIGHT" border="0" hspace="4" src="http://www.techmeme.com/260721/i46.jpg" vspace="4" /></a> <p><a href="https://www.techmeme.com/260721/p46#a260721p46" title="Techmeme permalink"><img height="12" src="http://www.techmeme.com/img/pml.png" style="border: none; padding: 0; margin: 0;" width="11" /></a> Sam Sabin / <a href="https://www.axios.com/">Axios</a>:<br /> <span style="font-size: 1.3em;"><b><a href="https://www.axios.com/2026/07/21/cisco-open-source-ai-models-cybersecurity">Cisco releases Antares-350M and Antares-1B, two open-weight AI models to find known vulnerabilities within a codebase, and plans to release Antares-3B soon</a></b></span>&nbsp; &mdash;&nbsp; - Cisco says the models performed similarly to much larger models, including OpenAI's GPT-5.5 and Z.ai's GLM-5.2 &hellip; </p>