Cisco Launches Low-Cost AI Models for Source Code Security

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Cisco Foundation AI has announced Antares, a small language model (SLM) named after the brightest star in the Scorpius constellation.

Just as the Antares star is bright because it is a binary star, so Cisco’s Antares family currently comprises two models: Antares-350M and Antares-1B. Both are SLM open-weight models available on Hugging Face.

Cisco describes Antares as “purpose-built for one of the hardest, most time-consuming and expensive problems in security: pinpointing where known vulnerabilities exist within a codebase.”

When a vulnerability is discovered, security teams must investigate whether their company code includes that vulnerability, and if so, where it is. This is not easy and is currently best assisted by AI. But the two primary AI options have their own problems.

One option is to subscribe to and use a major closed large language (LLM) AI frontier model. But this can rapidly become very expensive given the sheer volume of...

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