As of May 2026, Anthropic's Mythos and OpenAI's GPT-5.5-Cyber excel in advanced threat intelligence but are restricted to a select few organizations due to stringent access requirements. In contrast, Llama Guard 3, CodeLlama Guard, and Cisco AI Defense offer more accessible tools for phishing detection, code audit, and log forensics at lower costs, making them suitable for broader use by most developers and tech professionals.
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