Head-to-head · verified September 25, 2026
Copilot vs Grok: price comparison
Grok is cheaper to start: SuperGrok Lite costs $10/mo against $19.99/mo for Microsoft 365 Premium. At the standard tier it's Microsoft 365 Premium ($19.99/mo) against SuperGrok ($30/mo).
Plans tier by tier
| Microsoft Copilot | Grok | |
|---|---|---|
| Free | Copilot Free Free | Grok Free Free |
| Entry (under $15) | — | SuperGrok Lite $10/mo |
| Standard (~$20) | Microsoft 365 Premium $19.99/mo | SuperGrok $30/mo X Premium+ $40/mo |
| Premium ($90+) | — | SuperGrok Plus $100/mo SuperGrok Heavy $300/mo |
Key numbers
| Copilot | Grok | |
|---|---|---|
| Cheapest paid plan | Microsoft 365 Premium $19.99/mo | SuperGrok Lite $10/mo |
| Most expensive plan | Microsoft 365 Premium $19.99/mo | SuperGrok Heavy $300/mo |
| Plans on sale | 2 | 6 |
| Annual discount | Yes | Yes |
| Cheapest API model | No public API | Grok 4.3 $1.25 / $2.50 |
| Priciest API model | No public API | Grok 4.7 $2 / $6 |
| Both standard plans | $49.99/mo together ($600/yr) | |
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 Grok if…
Heavy X users and real-time news trackers.
- Real-time X data no other assistant has
- SuperGrok Lite at $10 is a cheap way in
- Annual billing saves about 17%
A capable model behind a steep paywall. Lite at $10 is the sensible test; buy the bigger tiers deliberately.
Grok plans in detail →Copilot vs Grok: questions
Is Copilot cheaper than Grok?
To start, yes for Grok: its cheapest paid plan is SuperGrok Lite at $10/mo, versus Microsoft 365 Premium at $19.99/mo.
Do Copilot and Grok both have a free plan?
Yes. Copilot Free: copilot in windows, edge and on the web. Grok Free: very limited prompts, real-time x search.
Should I choose Copilot or Grok?
Choose Copilot if you are: freelancers, small businesses and households that spend hours a week in Word, Excel and Outlook. Choose Grok if you are: heavy X users and real-time news trackers.
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.