Last updated 09-02-2026
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DeepSeek-V3
DeepSeek-V3 is the browser chat front end for DeepSeek, the conversational assistant from DeepSeek. You sign in at chat.deepseek.com to talk with the model for coding help, drafting content, reading uploaded files, and longer back-and-forth threads.
Unlike general chat directories that list many models behind one login, this site is a single-vendor chat app tied to DeepSeek's own LLM stack. Public page metadata highlights document uploads and long-context threads, but the interface stays behind a sign-in wall, so you cannot browse features or pricing without creating an account or using Google or Apple login.
It fits developers who want a browser-based coding assistant, writers working through drafts, and anyone who needs to query documents or run extended Q&A without installing a separate desktop client. The chat site footer links to a Feishu contact form and lists a China ICP filing.
Upload documents and work through questions in the same chat thread
Built for long-context conversations that stay coherent across many turns
Handles coding help alongside general writing and file-reading tasks
Sign in with Google or Apple at chat.deepseek.com instead of creating a separate password
Runs as a web app at chat.deepseek.com with no install step
Supports document uploads and long-context threads in one browser chat.
Google and Apple login options reduce friction for new users.
Covers coding, writing, and file-reading use cases in a single interface.
Public pages require sign-in, so feature details beyond metadata are not visible without an account.
No pricing or plan information is published on the open chat.deepseek.com pages.
What can I use DeepSeek-V3 for?
DeepSeek-V3 at chat.deepseek.com is described as an assistant for coding, content creation, file reading, and long-context conversations. You can upload documents and get help with natural language processing tasks inside the chat interface.
Do I need an account to use DeepSeek-V3?
Yes. The chat.deepseek.com homepage requires you to sign up or log in before you can use DeepSeek-V3. You can also log in with Google or Apple.
Can I upload files to DeepSeek-V3?
Yes. DeepSeek-V3 supports document uploads according to the chat.deepseek.com page metadata, so you can attach files and ask questions about them in conversation.
Does DeepSeek-V3 have a public pricing page?
DeepSeek-V3 does not publish pricing on the open web. The chat.deepseek.com /pricing path shows the same sign-in screen as the homepage, so plan names and prices are not visible without logging in.
How do I contact DeepSeek about DeepSeek-V3?
DeepSeek-V3 lists a Contact us link in the chat.deepseek.com footer that opens a form hosted on Feishu. That is the contact route surfaced on the chat site itself.
Is DeepSeek-V3 a mobile app?
DeepSeek-V3 is accessed through the chat.deepseek.com web interface. The public pages reviewed do not advertise a dedicated iOS or Android app.