Chat with DeepSeek Free (No Sign-up Rquired)

Web App

2M+Users,215M+Chats Trusted by Leading Medias:

Why Chatting with DeepSeek in UPDF AI Stands Out?

Powered by Full DeepSeek R1

UPDF AI is powered by the full DeepSeek R1 — the most advanced version of the model — giving you a smarter and more reliable way to chat with DeepSeek online. It delivers deeper prompt understanding, stronger logical reasoning, accurate math problem-solving, and high-quality code analysis. With DeepSeek R1 inside UPDF AI, every conversation offers unmatched accuracy, depth, and clarity.

Chat with DeepSeek Now

Up to 100 Questions with No Cost

With UPDF AI, you can submit up to 100 prompts to DeepSeek R1 for free. It's an ideal way to chat with DeepSeek at no cost—perfect for completing smaller tasks or testing whether DeepSeek R1 fits your workflow before fully committing.

Chat with DeepSeek Now

No Login Required (Online)

If you're not ready to share personal information, there's no need to worry. With UPDF AI Online's guest mode, you can chat with DeepSeek for free and completely anonymously—no account, no sign-up, and no personal details required.

Chat with DeepSeek Now

Smarter than Basic Chatbots

In addition to the DeepSeek model, UPDF AI also includes the GPT-5 model, enabling you to chat with AI, interact with images and PDFs, convert PDFs into mind maps, and much more. Both AI models can help with homework, coding issues, writing tasks, problem-solving, and a wide range of work needs.

Chat with DeepSeek Now

How to Ask DeepSeek Online for Free?

Chat with DeepSeek Without Login

Go to the DeepSeek chat page, type in your prompt, hit Enter, and UPDF AI Online’s DeepSeek model will instantly analyze it and deliver your result.

Ask DeepSeek with Login

Click the login icon in the top-right corner, sign in with your email, Google, or Apple. After logging in, type your prompt in the chat box and hit “Send.” DeepSeek in UPDF AI Online will analyze your input, show its reasoning, and deliver the final answer.