# Google launches a cheaper alternative to large AI security models like Mythos > Source: > Published: 2026-07-21 15:00:00+00:00 # Google launches a cheaper alternative to large AI security models like Mythos By Emma RothSource: [The Verge AI](https://www.theverge.com)Google is launching an AI security model dedicated to quickly finding and patching security vulnerabilities. In [a blog post on Tuesday](https://deepmind.google/blog/introducing-gemini-3-5-flash-cyber/), Google describes [Gemini](/glossary/gemini) 3.5 Flash Cyber as a "cost-efficient and highly capable alternative" to larger, more expensive AI systems, such as the one offered by [Anthropic](/glossary/anthropic)'s Mythos. The new model is built upon Gemini 3.5 Flash and will be available first to governments and trusted partners via CodeMender, [Google's security-focused coding agent](https://www.theverge.com/tech/933921/google-wants-to-compete-with-anthropics-mythos). As noted by Google, CodeMender can call upon 3.5 Flash Cyber "multiple times at high speed and low cost," allowing the AI agents to scan more code paths and find vulnera … Get AI news in your inbox Daily digest of what matters in AI.