The web version offers basic text conversation for free; advanced features such as Copilot Chat, Researcher/Analyst agents, and image generation in Office require Microsoft 365 Premium (US$19.99/month) or an M365 subscription.
Replacing the original Copilot Pro, the highest personal plan; US$199.99/year, includes advanced Copilot features (Researcher/Analyst agents, AI image generation, etc.) and up to 6TB of space; official website promotion (discovered on 2026-07-30): first month free trial, no expiration date specified, source=microsoft.com/en-us/store/b/copilotpro
M365 Business edition
Official quote (upon inquiry)
Available by subscription, M365 Personal (US$9.99/month) and Family (US$12.99/month) now both include basic Copilot functionality
DeepSeek
Plan
Price
What you get
API - DeepSeek-V4-Flash
API pay-as-you-go (usage-based)
Per million tokens (off-peak/peak): cache hit input US$0.007/US$0.014, cache miss input US$0.22/US$0.44, output US$0.66/US$1.32. Peak hours are 01:00-04:00 and 06:00-10:00 UTC, with peak prices being twice the off-peak prices. ⚠️ The price increase has taken effect (originally US$0.0028/US$0.14/US$0.28, this confirmation is the implementation of the previously announced 'planned price adjustment' on the official website, checked twice on 2026-08-22 with consistent results)
API - DeepSeek-V4-Pro
API pay-as-you-go (usage-based)
New model (previously not recorded). Per million tokens (off-peak/peak): input cache hit US$0.022/0.044, input cache miss US$0.66/1.32, output US$1.98/3.96. Concurrent limit 500 (V4-Flash is 2500)
Which one should you pick?
Both offer a free plan. Compare paid tiers against your needs.
DeepSeek has no public paid plan; Microsoft Copilot starts at about US$19.99 / mo.
FAQ
Is there a free version of Microsoft Copilot?
Yes. The web version offers basic text conversation for free; advanced features such as Copilot Chat, Researcher/Analyst agents, and image generation in Office require Microsoft 365 Premium (US$19.99/month) or an M365 subscription.
How much does Microsoft Copilot cost?
The cheapest is the plan from Microsoft Copilot named Microsoft 365 Premium, at about US$19.99 / mo.
Does Microsoft Copilot support Chinese?
Microsoft Copilot offers full Chinese interface support.
Is there a free version of DeepSeek?
Yes. The web version is basically free, but has peak traffic limits.
How much does DeepSeek cost?
The cheapest is the plan from DeepSeek named API - DeepSeek-V4-Flash, at about Official quote (upon inquiry).
Does DeepSeek support Chinese?
DeepSeek offers full Chinese interface support.
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