Nextpart.ai is a platform centered around creating and interacting with adult-themed chatbots. The AI tool allows users to personally craft AI personalities and engage in unrestricted, 18+ conversations. The main aim is to allow users to develop an AI companion who can engage in mature and explicit dialogues, catering to various adult fantasies. The chatbot system supports a wide range of personalities and scenarios, as indicated by the notable breadth of categories, from mainstream to niche. This suggests the chatbot can adopt various identities and roles, from celebrities to more fantasy-oriented figures such as succubi. Whilst the service is primarily targeted towards an adult audience seeking NSFW AI engagements, conversations are not confined to this theme alone. The platform also has a supportive community across Discord, Reddit, and Telegram, where users can discuss and share their experiences. Finally, the tool also provides resources such as blog and AI Q&A, likely serving as additional information on how to optimally use and interact with the chatbot.