Eternal AI is praised for its uncensored, user-friendly experience, offering a variety of AI agents for tasks like prototyping, coding, and image generation. Users appreciate the open, natural interactions and the absence of sign-up barriers, making it feel more authentic compared to other AI tools. The platform's simplicity and expressiveness are highlighted, with many users noting its utility in personal projects and its surprising capabilities given its free access. Overall, Eternal AI is seen as a refreshing alternative to more restrictive AI platforms.