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FAQ

Can I use Grok-4-Fast without login?
Yes, the Grok-4-Fast app is free and does not require you to register or login.
Grok stopped mid reply. What can I do?
Grok-4-Fast has a maximum per reply length of roughly 300 words. Ask it to continue by typing “continue”.
What model powers this chatbot?
The app uses xAI’s Grok-4-Fast model via API. Daily request limits apply to keep usage affordable.
Are my requests erased when I start a new chat?
Yes. You can copy your conversation history before starting a new chat if you want to keep it.
Does Grok use my prompts to train future models?
No. API traffic is not used for training according to the providers’ documentation.
Can Grok browse or work with images?
For quick web lookups use keywords like “current” or “latest”. Use the attach button to upload an image for analysis or type “generate image”.

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Grok-4-Fast – no login, no registration

Powered by xAI’s Grok

Grok-4-Fast is free to use here without sign-up. The app calls xAI’s Grok-4-Fast model via API. Ask for the latest news with prompts like “current” or “latest”, generate images by typing “generate image”, or upload a picture using the attach button for analysis. Usage limits keep the service sustainable.