The DeepSeek app, used like a pro — for free.
The free app is more capable than most people realize. This is the end-to-end workflow: setting it up, the one toggle that matters, and the four jobs it does genuinely well at zero cost.
01Set up in two minutes
- Go to the DeepSeek website or install the app and sign in — no payment needed for chat.
- Find the think / reasoning toggle near the message box. Off = fast answers; on = the model shows its work and reasons step by step.
- Start a fresh chat per topic so context stays clean, and rename chats you want to return to.
02When to flip on think mode
Leave it off for quick lookups, rewrites, and simple drafting — it is faster. Flip it on for anything with steps or stakes: math, logic, debugging, planning, or "compare these options and justify the call." The reasoning trace also makes mistakes easier to spot.
Four jobs it does well, free
Research synthesis — paste sources and ask for a structured brief with the disagreements surfaced. Drafting — emails, docs, outlines in your tone. Analysis — paste a dataset or log and ask what stands out. Code help — explain, fix, or write a function with the reasoning shown.
The free app may use your chats to improve the service. Treat it like any consumer AI: keep confidential or regulated data out unless cleared. For private work, use the API or self-host.
Frequently asked
DeepSeek — your questions, answered
Is the DeepSeek app really free?
Yes — chatting on the app and website is free, including the reasoning mode. The paid tier is the API for developers, not the chat app.
What is the think mode in the DeepSeek app?
A toggle that makes the model reason step by step and show its work before answering. Use it for math, logic, debugging, and decisions; turn it off for quick, simple tasks.
Can I upload files or documents?
Yes — paste or upload text and the large context window lets DeepSeek read long documents in one pass for summary, analysis, or Q&A.
Is my data private in the free app?
Treat the free app like any consumer AI — assume chats may be used to improve the service, and keep sensitive data out unless cleared. Use the API or self-hosting for private workloads.
Keep going
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