Prices verified September 25, 2026 · 36 plans · 29 API models · 9 providers · What changed

Head-to-head · verified September 25, 2026

Copilot vs DeepSeek: price comparison

DeepSeek has no paid consumer plan; Copilot starts at $19.99/mo (Microsoft 365 Premium).

Plans tier by tier

Microsoft CopilotDeepSeek
FreeCopilot Free Free DeepSeek (free app) Free
Entry (under $15)——
Standard (~$20)Microsoft 365 Premium $19.99/mo —
Premium ($90+)——

Key numbers

CopilotDeepSeek
Cheapest paid planMicrosoft 365 Premium $19.99/moNone
Most expensive planMicrosoft 365 Premium $19.99/mo—
Plans on sale21
Annual discountYesNot listed
Cheapest API modelNo public APIDeepSeek V4.1-Flash $0.15 / $0.60
Priciest API modelNo public APIDeepSeek V4-Pro $0.66 / $1.98

Pick Copilot if…

Freelancers, small businesses and households that spend hours a week in Word, Excel and Outlook.

  • AI where your documents already live
  • M365 Premium bundles Office, storage and AI for $19.99
  • Annual plan at $199.99 is shared with up to 6 people (Office + storage)

Buy the ecosystem, not the chatbot. If Office is your day, it earns its price; otherwise look elsewhere.

Microsoft Copilot plans in detail →

Pick DeepSeek if…

Budget-first users, students, and developers who want cheap reasoning via API.

  • Consumer app is free
  • API among the cheapest capable options
  • V4.1-Flash replaced V4-Flash on Sept 10, 2026

The best price in AI is still $0. Know the data-policy trade-offs first.

DeepSeek plans in detail →

Recent changes

  1. DeepSeek V4.1-Flash replaces V4-Flash; peak pricing

    V4.1-Flash $0.15 / $0.60 off-peak. API prices double during weekday peak windows (01–04 and 06–10 UTC). V4-Pro now $0.66 / $1.98 off-peak.

  2. Copilot Copilot Pro retired

    Support ended. Premium Copilot now only via Microsoft 365 Premium ($19.99/month).

Copilot vs DeepSeek: questions

Do Copilot and DeepSeek both have a free plan?

Yes. Copilot Free: copilot in windows, edge and on the web. DeepSeek (free app): no paid tier, reasoning mode.

Should I choose Copilot or DeepSeek?

Choose Copilot if you are: freelancers, small businesses and households that spend hours a week in Word, Excel and Outlook. Choose DeepSeek if you are: budget-first users, students, and developers who want cheap reasoning via API.

Sources

Checked against the official pages below on September 25, 2026. Prices are USD before local tax. See how we verify prices and the change log.