If you're looking for a PersonaGen alternative, Delve AI is worth a look. It automates buyer persona generation by connecting to Google Analytics, customer/CRM data and social media and providing detailed analysis of your customer base. With Live Persona, Customer Persona, Social Persona and Competitor Persona, it can help companies develop more targeted marketing campaigns and better understand their audience.
Another alternative is UserPersona.dev, which generates detailed user personas rapidly without requiring registration. The service is free to use and offers customizable fields so you can tailor personas for your needs. It's good for companies that want to improve their marketing and user experience by targeting the right audience.
You could also try PersonaChat, which is intended to help you research products, create personas and map user journeys. It offers AI-generated personas, surveys and user journey mapping designed to speed up research and inform design decisions with data-driven insights. It's geared for designers of all skill levels who want to build user-centered experiences.