ChATs.cool vs Vellum Assistant

ChATs.cool lets you chat with multiple AI models in a single conversation. Ask a question once and receive responses from different AI assistants, then get a smart summarized answer to help you decide faster. Key features: • Chat with multiple AI models at the same time • Compare answers in one conversation • Smart summaries for clearer insights • Simple and intuitive chat experience ChATs.cool is designed to help users explore ideas, compare perspectives, and get better answers — all in one place.

vellum is your personal AI for work and life. It learns how you think, remembers what matters, and helps with the things you care about. With vellum, you're always in control: • Choose where your data lives: vellum Cloud or your own self-hosted vellum • Use any model, bring your own API key, or use vellum-optimized models • Decide what your assistant can access and remember Talk, text, or show vellum what you see with your camera, then use it to: • Catch up on email, Slack, and meetings • Remember follow-ups, tasks, and important details • Plan your day, trips, meals, or workouts • Find old notes, files, and saved links • Think through work and personal decisions • Get help with whatever is in front of you One assistant across iPhone, Mac, and web. Always caught up on what matters to you.