DeepSeek

Free AI assistant from DeepSeek, maker of the DeepSeek-V3 and R1 reasoning models

Freemium Writing & Content
Visit Website ↗ by DeepSeek

What is DeepSeek?

DeepSeek is the chat assistant from Chinese AI lab DeepSeek (backed by High-Flyer), built on its DeepSeek-V3 and R1 models. The R1 reasoning model, released in January 2025 under an open license, made DeepSeek a global name for delivering frontier-level reasoning at a fraction of Western API prices. The chat is free to use, with file upload, web search and a DeepThink reasoning mode.

Key features

  • Free chat with DeepThink reasoning mode
  • DeepSeek-V3 and R1 models
  • File upload and web search
  • Very low-cost developer API

Watch: DeepSeek tutorial

How to use DeepSeek | Tutorial Guide 2026 How to use DeepSeek | Tutorial Guide 2026 — NextGen AI

Video by NextGen AI on YouTube — plays here without leaving this page.

Pros

  • Completely free chat tier
  • R1 is open-weight (MIT) — self-hostable
  • API prices far below US rivals

Cons

  • Data is processed on servers in China
  • Service can be slow or busy at peak times
  • Fewer integrations than ChatGPT or Claude

DeepSeek at a glance

PricingFreemium
CategoryWriting & Content
Platformsweb, ios, android
CompanyDeepSeek
Best forAnyone who wants frontier reasoning and coding help for free
Official websitechat.deepseek.com
ai chatbotllmreasoningopen weights

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DeepSeek FAQs

What is DeepSeek?

DeepSeek is the chat assistant from Chinese AI lab DeepSeek (backed by High-Flyer), built on its DeepSeek-V3 and R1 models. The R1 reasoning model, released in January 2025 under an open license, made DeepSeek a global name for delivering frontier-level reasoning at a fraction of Western API prices. The chat is free to use, with file upload, web search and a DeepThink reasoning mode.

What are the main features of DeepSeek?

DeepSeek offers Free chat with DeepThink reasoning mode, DeepSeek-V3 and R1 models, File upload and web search and Very low-cost developer API.

How much does DeepSeek cost?

DeepSeek follows a freemium model: a free tier is available, and paid plans unlock higher limits and advanced features. Check its official website for current plan prices.

What are the pros and cons of DeepSeek?

Strengths of DeepSeek include Completely free chat tier; R1 is open-weight (MIT) — self-hostable; API prices far below US rivals. On the downside, Data is processed on servers in China; Service can be slow or busy at peak times; Fewer integrations than ChatGPT or Claude.