DeepSeek
freeExplore questions, search the web and reason through problems in chat.
Available on
- Web-basedBrowser access
- App StoreiPhone & iPad
- Google PlayAndroid
Independent editorialAI-assistedUpdated
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Official vendor product previews. View sources
What is DeepSeek?
DeepSeek suits people who want to move between a quick question, a more deliberate reasoning task and an answer informed by web search. File uploads add document context to the discussion, and chat history carries between the web and official mobile apps.
This listing covers the chat assistant. DeepSeek’s developer API is a separate metered service, and DeepSeek Harness is a distinct desktop coding tool. Choose the interface that matches the job, and check generated claims and extracted document details before relying on them.
- Free plan
- Available
- Pricing model
- free
What stands out
- Free access covers the main web and mobile conversation interfaces.
- Search and reasoning modes offer different approaches to a question.
- Document text and synchronized history keep context available across devices.
Plan limits
- The free chat offer does not include paid developer API usage.
- A generated answer or extracted passage needs checking before important use.
- Desktop Harness downloads serve a different coding workflow.
DeepSeek features
6 features · 2 categoriesBrowse all 6 features
Questions and context
3
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Conversational assistance
Develop explanations, drafts and ideas through a continuing chat.
Product capabilitiesChecked -
Deep-Think mode
Use a reasoning-focused mode for questions that require more deliberation.
Product capabilitiesChecked -
Web search
Bring current web information into supported conversations.
Product capabilitiesChecked
Documents and continuity
3
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File uploads
Extract text from supported files to provide context for questions.
Product capabilitiesChecked -
Synced history
Return to conversations across the web and mobile interfaces.
Product capabilitiesChecked -
Mobile apps
Use the official iOS and Android apps for conversations away from a computer.
Product capabilitiesChecked
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Plans & pricing
The consumer chat assistant is free. API billing and the separate Harness desktop product are outside this chat-app listing.
Prices in USD
Chat assistant
Use the official consumer chat service.
$0
free access
- Web conversations
- Search and Deep-Think modes
- File text extraction and history
The developer API is a separate usage-billed service. Harness is a separate desktop product.
Source: vendor pricing · Updated
View official pricingDeepSeek FAQs
Is the DeepSeek app free?
The official consumer assistant is free. Developer API usage follows a separate pricing model.
Official plans and help Is DeepSeek Harness the same as the chat app?
No. Harness is a desktop coding and local-file workflow; the consumer chat assistant is available through the web and mobile apps.
Official plans and helpCommunity reviews
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Sources & editorial
How we review software- Product capabilitiesChecked Oct 16, 2026
- Plans and usage limitsChecked Oct 16, 2026
- Official apps and product distinctionChecked Oct 16, 2026
VSW editorial research · AI-assisted. Researched from official vendor sources. Editorial research is separate from customer ratings.