The World's Best Free AI.
Free & Unlimited with Puter.
The World's Best Free AI. No guest accounts, no credit card requirements, and no subscriptions. Log in with your Puter account for free unmetered intelligence across GPT-6 Astra, GPT-4o, Claude Sonnet & Opus, DeepSeek, Grok, Gemini, and 20 verified frontier architectures.
Included Models
Free and unlimited forever with instant access
And Many More Frontier Architectures Continuously Added.
Coming Soon Wall
We might be adding these models within this month:
Atherium AI vs. The Industry
Why creators and engineers are switching away from paid subscriptions
| Feature | Atherium AI | ChatGPT Plus | Claude Pro | Copilot Pro |
|---|---|---|---|---|
| Monthly Cost | $0.00 Forever | $20.00 / mo | $20.00 / mo | $20.00 / mo |
| Rate Limits & Message Caps | Zero Caps (Unlimited) | 40 msgs / 3 hours | Strict daily quotas | Throttle after limit |
| Multi-Model Selection | 20 Frontier Models (OpenAI Astra, Mistral, xAI, etc.) | OpenAI only | Anthropic only | Microsoft only |
| Permanent Neural Memory | Included & Private | Limited | Limited Projects | Basic |
| Credit Card Required | Never (100% Free) | Required | Required | Required |
| Data Monetization / Prompt Selling | Never (Strict Privacy) | Opt-out required | Commercialized | Commercialized |
Frequently Asked Questions
Everything you need to know about Atherium AI
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The World's Best Free AI
No guest accounts needed. Sign in to unlock instant unmetered access to 20 frontier AI models.