DeepSeek vs Microsoft Copilot

Detailed comparison of DeepSeek and Microsoft Copilot. See which tool is best for your specific needs.

Open-weight frontier models at a fraction of closed-model pricing

Starting atFree

OpenAI models embedded across Microsoft 365 and Windows

Starting atFree

Feature	DeepSeek	Microsoft Copilot
Starting Price	Free	Free
Free Tier
Context Window	1M tokens	Varies by surface
Vision Input
Reasoning Mode
Open Weights
API Access
Web Search
API Access
Top Pros	V4 Flash at $0.14 / 1M input is roughly 35x cheaper than the closed flagships MIT-licensed open weights allow self-hosting with no commercial restrictions 1M-token context at open-weight pricing	Native integration across Word, Excel, Outlook, Teams and Windows Enterprise administration, compliance and tenant data boundaries Included in some existing Microsoft 365 agreements
Main Cons	No vision input on the V4 line China-based hosting raises data-residency questions for regulated buyers Thinner enterprise support and SLA story than US vendors	$30/user/month on top of an existing Microsoft 365 licence No direct API — you cannot build on it the way you can on OpenAI or Anthropic Model access lags the underlying OpenAI releases
Best For	cost sensitiveself hostingdevelopershigh volume	enterprisemicrosoft 365productivityteams

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