DeepSeek vs Microsoft Copilot comparison

DeepSeek and Microsoft Copilot compared side by side in AI.

CurrencyUSDKRWEUR

What is different

Starting price

DeepSeekFree
Microsoft Copilot$9.99+

Free tier

DeepSeekFree
Microsoft CopilotFree plan available

Main models

DeepSeekDeepSeek-V4.1-Flash-1017 (multimodal) / DeepSeek-V4-Pro
Microsoft CopilotOpenAI GPT-5 family (Smart/Think Deeper) / GPT-5.5/Claude selectable for business / MAI in-house models (image/voice)

DeepSeek

A high-performance Chinese AI chatbot that is free to use. The models are also released as open source

What is good

  • Chatbot fully free
  • Good at math and reasoning
  • API is very cheap

What could be better

  • Controversy over overseas transfer of personal data
  • Slows down when traffic is heavy

DeepSeek official site

Microsoft Copilot

Microsoft's AI assistant built into Windows, Edge and Office

What is good

  • Works directly with Windows, Word and Excel
  • Latest-level models available for free

What could be better

  • Office integration features need a Microsoft 365 subscription
  • Weak personality as a standalone chatbot

Microsoft Copilot official site

At a glance

ItemDeepSeekVisit siteMicrosoft CopilotVisit site
Starting priceFreeNot applicable$9.99+Official USD price
Free tierFreeFree plan available
Korean supportGoodGood
Main models
  • DeepSeek-V4.1-Flash-1017 (multimodal)
  • DeepSeek-V4-Pro
  • OpenAI GPT-5 family (Smart/Think Deeper)
  • GPT-5.5/Claude selectable for business
  • MAI in-house models (image/voice)
TypeAI servicesAI services
CategoryChatbot/Assistant, Open ModelsChatbot/Assistant, Writing/Productivity
CompanyDeepSeek, ChinaMicrosoft, United States
Plans
  • Web and app fully free
  • API pay-as-you-go (50% off off-peak)
  • Free
  • M365 Personal $9.99
  • Family $12.99
  • Premium $19.99
  • Pro $99.99
  • For business: Copilot Business $21 (annual), Enterprise $30 (annual)
Pros
  • Chatbot fully free
  • Good at math and reasoning
  • API is very cheap
  • Works directly with Windows, Word and Excel
  • Latest-level models available for free
Cons
  • Controversy over overseas transfer of personal data
  • Slows down when traffic is heavy
  • Censorship of sensitive topics
  • Office integration features need a Microsoft 365 subscription
  • Weak personality as a standalone chatbot

Prices and benefits may change. Check the official site before you pay.

Prices converted at 1 USD = ₩1,327.84 (2026-10-20). Original price shown in brackets. Taxes as listed by each provider.

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