Tools · Comparison

Atomic Chat vs HeyReal vs PrometheanAI

All three are chatbot tools. Here is what separates them.

	Atomic Chat	HeyReal	PrometheanAI
What it is	Run Gemma, Qwen, DeepSeek and 1,000+ AI models locally on your device. Fully private and offline. No cloud, no account, no rate limits. Free & open-source.	Create and chat with lovely AI characters on HeyReal. Enjoy the fast, creative and realistic chat with your AI girlfriends.	Promethean AI is an Artificial intelligence assistant for professional creative teams that build virtual 3d worlds.
Category	Chatbot	Chatbot	Chatbot
Pricing	Freemium	Freemium · $3.9 - $49.99/mo	Free · Free
How it bills	Not published	Flat monthly	Free
Free tier	Yes	Yes	Yes
Rating	Not yet rated	Not yet rated	Not yet rated
Features	—	—	—
What works	—	Has a free tier, so it can be tried before paying Publishes its price openly — $3.9 - $49.99/mo Sits in Chatbot, one of the better-covered categories here — easy to compare	Has a free tier, so it can be tried before paying Free to use Sits in Chatbot, one of the better-covered categories here — easy to compare
What does not	—	162 other tools in this catalogue claim to do the same job	162 other tools in this catalogue claim to do the same job The vendor describes it only briefly, so what it does is not fully clear from their own site