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Gemini vs Microsoft 365 Copilot: Complete Comparison 2026

Choosing between Gemini and Microsoft 365 Copilot? We compare both tools across features, pricing, pros and cons to help you decide which is the better fit in 2026.

Gemini9.2

Google DeepMind · Chatbots & LLMs, Coding, Writing

Gemini is Google's natively multimodal model family, deeply integrated across Search, Workspace, Android and the Pixel line. Its standout feature is an enormous context window of up to one to two million tokens, ideal for analysing long videos, codebases and document sets. Gemini blends Google's real-time knowledge with strong reasoning and is available free in many products.

Microsoft 365 Copilot8.3

Microsoft · Productivity, Writing

Microsoft 365 Copilot embeds AI across Word, Excel, PowerPoint, Outlook and Teams to draft, analyse and summarise using your work data. It's the default AI layer for Microsoft-centric enterprises.

Key differences at a glance

  • •Gemini scores higher overall (9.2 vs 8.3).
  • •Gemini has a free tier; Microsoft 365 Copilot does not.
  • •Gemini leans on massive context window.
  • •Microsoft 365 Copilot leans on deep office integration.

Side-by-side comparison

FeatureGeminiGoogle DeepMindMicrosoft 365 CopilotMicrosoft
Quality score9.2 / 108.3 / 10
Starting price$20/mo$30/mo
Free tierYes — Free tier availableNo
API input price$1.5 / 1M tokens—
API output price$9 / 1M tokens—
SpeedFast—
Context window1M-2M tokens—
CategoriesChatbots & LLMs, Coding, WritingProductivity, Writing
Key features
  • Up to 2M token context window
  • Deep Google Workspace integration
  • Native video and audio understanding
  • Real-time Google Search grounding
  • Drafting in Word and Outlook
  • Excel analysis and formulas
  • PowerPoint generation
  • Teams meeting recaps
Pros
  • + Massive context window
  • + Tight integration with Google ecosystem
  • + Generous free access
  • + Deep Office integration
  • + Works on your real data
  • + Enterprise security
Cons
  • − Quality can be inconsistent on edge cases
  • − Privacy concerns for some users
  • − Premium per-seat price
  • − Requires M365 ecosystem

Gemini

Choose Gemini if you want massive context window and a free tier to start.

Microsoft 365 Copilot

Choose Microsoft 365 Copilot if you want deep office integration.

Pricing comparison

Gemini
$20/mo
API: $1.5 in / $9 out per 1M tokens
Microsoft 365 Copilot
$30/mo
查看即時 API 價格數據 → llmprice.app

The verdict

Overall, Gemini edges ahead with a quality score of 9.2 versus 8.3 for Microsoft 365 Copilot. Choose Gemini if you want massive context window. That said, Microsoft 365 Copilot is the better pick when deep office integration matters most — so the right answer depends on your priorities and budget.

Try Gemini →Try Microsoft 365 Copilot →

Frequently asked questions

Q. Which is better, Gemini or Microsoft 365 Copilot?

On our scoring, Gemini edges ahead (9.2/10), but the right pick depends on your priorities and budget — see the breakdown above.

Q. Is Gemini or Microsoft 365 Copilot cheaper?

Gemini has a free tier, so it's cheaper to start. Microsoft 365 Copilot begins at $30/mo.

Q. Can I use Gemini and Microsoft 365 Copilot together?

Yes — many teams use more than one AI tool, picking Gemini for some tasks and Microsoft 365 Copilot for others where it's stronger.