Last updated 07-01-2026
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DeepSeek-V3
DeepSeek-V3 is the web chat front door 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.
The product is built around practical chat workflows rather than a static marketing site. Page metadata describes support for document uploads, long-context conversations, and help across natural language processing tasks, so you can keep context in one thread instead of restarting every few messages.
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. Access requires creating an account or signing in with Google or Apple.
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 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's site metadata states that chat.deepseek.com supports document uploads, so you can attach files and ask questions about them in conversation.
Does DeepSeek-V3 have a public pricing page?
No pricing details are visible on chat.deepseek.com without logging in. The /pricing path shows the same sign-in screen as the homepage, so plan names and prices are not published on the public site.
How do I contact DeepSeek about DeepSeek-V3?
The chat.deepseek.com footer links to a Contact us 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.