Google Gemini

Google Gemini is an AI assistant that helps users with writing, planning, learning, and various productivity tasks. It provides access to Google's AI models, integrates with other Google apps, and can generate text and images. Users can upgrade to Pro or Ultra plans for more advanced features and capabilities.

Google Gemini is a strong match as an AI assistant that offers various functionalities for productivity and creativity. It directly states it gives access to 'Google’s best family of AI models' (multi-model integration). It has clear subscription tiers (Pro and Ultra) for enhanced features, indicating user authentication and subscriptions. While not explicitly a 'guided tool interface' in the same way as the concept, it functions as a conversational AI that guides users through prompts. It also supports multiple languages and is available as a mobile app, indicating mobile-responsive design. The ability to connect with other Google apps suggests a form of integration/export. The 'Recent' chats feature aligns with 'favorites-and-history'.