DeepSeek

Name: DeepSeek
Author: DeepSeek

Free plan AndroidAPIiPhoneMacWebWindows

What DeepSeek is

DeepSeek is an AI chat assistant from DeepSeek, a maker headquartered in Hangzhou, China. It is available through a website and official apps for iOS and Android, giving users browser and mobile access. Listed capabilities include web search, file uploads, and app integrations. Web search can support conversations that call for online information, while file uploads let users bring files into a conversation. The service has a Free plan priced at $0, which includes the AI chat assistant and official mobile apps. Its listed platforms are web, iOS, and Android. DeepSeek may suit people who want an AI chat assistant with web search and file uploads and prefer to use it on a browser or phone. The available facts identify the free offer and its included assistant and mobile apps, alongside the listed search, upload, and integration capabilities. Users can start at chat.deepseek.com or use one of the official mobile apps.

Who it suits

DeepSeek suits people looking for an AI chat assistant with web search and file uploads. Its web, iOS, and Android availability gives users browser and mobile access.

What it does well

Free plan costs nothing.
Includes official mobile apps.
Available on web, iOS, and Android.
Offers web search and file uploads.
Lists app integrations.

What to know first

The listed offer is a free plan; no paid plan details are given.

Plans

Plan	Billed and limits	Price
Free	AI chat assistant · Official mobile apps	Free
DeepSeek app	Official AI assistant; chat with leading AI models for free	Free
DeepSeek API — deepseek-flash	Token-based billing; API pricing page could not be opened · API access; current rates were not readable on the opened pricing page	On request

As chat.deepseek.com lists them, read 20 Sept 2026. The maker's own page has the final word.

Getting started

Visit https://chat.deepseek.com/.
Alternatively, use an official app for iOS or Android.
Start with the Free plan, priced at $0.

Verdict

Choose DeepSeek if you want a free AI chat assistant with web search and file uploads, accessible on the web and mobile. Its listed free plan includes the assistant and official mobile apps.

Questions

How much does DeepSeek cost?

The Free plan is listed as free.

Is there a free plan?

Yes. The Free plan includes the AI chat assistant and official mobile apps.

Which platforms does DeepSeek support?

It is listed for web, iOS, and Android.

What features are listed?

Web search, file uploads, and app integrations are listed.

Who makes DeepSeek?

DeepSeek is made by DeepSeek, headquartered in Hangzhou, China.

Facts from DeepSeek's own pages

Agent integrations: DeepSeek's documentation describes integrations with Claude Code, OpenCode, and OpenClaw, and says supported AI coding tools can use DeepSeek as their backend model. · api-docs.deepseek.com, 11 Oct 2026
API compatibility: The API uses a format compatible with OpenAI and Anthropic APIs, and the documentation says their SDKs can be used by changing configuration. · api-docs.deepseek.com, 11 Oct 2026
API models: The API documentation identifies deepseek-flash as the model name to use and says the legacy deepseek-v4-flash names route to V4.1-Flash. · api-docs.deepseek.com, 11 Oct 2026
Assistant: DeepSeek describes its app as an official AI assistant for chatting with leading AI models, powered by its latest flagship model. · deepseek.com, 11 Oct 2026
Data location: The privacy policy says DeepSeek directly collects, processes, and stores personal data in the People's Republic of China. · cdn.deepseek.com, 11 Oct 2026
Desktop Harness: DeepSeek Harness for desktop can work in the background, edit local files, and handle long, complex tasks. · deepseek.com, 11 Oct 2026
Desktop platforms: The official download page lists Harness downloads for macOS (Apple silicon, macOS 13 or later) and Windows. · deepseek.com, 11 Oct 2026
File uploads: Yes · cdn.deepseek.com, 20 Sept 2026
Free plan: Yes · cdn.deepseek.com, 20 Sept 2026
Function tools: The API supports tool calls that let models call external tools, with strict mode validating tool schemas against supported JSON Schema specifications. · api-docs.deepseek.com, 11 Oct 2026
Headquarters: Hangzhou, China · chat.deepseek.com, 28 Sept 2026
App integrations: Yes · cdn.deepseek.com, 20 Sept 2026
Mobile apps: Yes · cdn.deepseek.com, 20 Sept 2026
Mobile platforms: The official download page links to DeepSeek app downloads for iOS and Android. · deepseek.com, 11 Oct 2026
Native multimodal API: DeepSeek says V4.1-Flash is live on the API with native multimodal support. · deepseek.com, 11 Oct 2026
Notable limit: DeepSeek says its services are not designed or intended to process sensitive personal data and advises users not to provide it. · cdn.deepseek.com, 11 Oct 2026
Privacy data: The privacy policy says DeepSeek may collect prompts, uploaded files, photos, chat history, device and network data, and approximate location based on IP address. · cdn.deepseek.com, 11 Oct 2026
Security measures: DeepSeek says it maintains commercially reasonable technical, administrative, and physical measures to protect personal data, while noting that internet and email transmission are not fully secure. · cdn.deepseek.com, 11 Oct 2026
Support: DeepSeek lists [email protected] on its official site and [email protected] for privacy questions and requests. · deepseek.com, 11 Oct 2026
User controls: The privacy policy says users can manage, copy, or delete chat history in settings and may opt out of use of personal data for model training or technology optimization. · cdn.deepseek.com, 11 Oct 2026
Web search: Yes · cdn.deepseek.com, 20 Sept 2026