As TechCrunch AI details, Savi's family-plan pricing and live call monitoring are its differentiators in a busy field. The core challenge, however, may not be technological but behavioral: convincing users to proactively invoke an AI agent during a high-stress, real-time scam attempt. The startup's success will likely hinge less on its detection models and more on its ability to integrate seamlessly into the user's moment of panic, a UX hurdle that arguably remains the industry's tallest. Its model also faces the perpetual arms race against scammers who can adapt their tactics as detection improves.