According to Andrej Karpathy, the Nano Banana Pro AI model now enables users to generate personalized weekly workout plans and printable posters tailored to individual fitness goals, including intensity adjustments based on specific requests such as 'more testosterone.' This demonstrates practical applications of generative AI in the health and fitness industry, allowing businesses to offer highly customized, engaging wellness solutions at scale (source: @karpathy on Twitter). As AI models become more adept at understanding nuanced user preferences, fitness platforms and gyms have new opportunities to enhance retention and differentiation through AI-driven customization and print-ready visual aids.