Grammarly vs. Microsoft 365 Copilot

Overview
ProductRatingMost Used ByProduct SummaryStarting Price
Grammarly
Score 9.0 out of 10
N/A
Grammarly in San Francisco provides its grammar improvement and AI driven writing assistance platform, available on free or paid premium and business plans.
$30
per month per member
Microsoft 365 Copilot
Score 8.1 out of 10
N/A
For enterprises, Microsoft 365 Copilot (or just Microsoft Copilot) is a generative AI operating as an intelligent virtual assistant for work. Through a chat interface, business users can use it to solve a variety of complex tasks.
$31.50
per month per user
Pricing
GrammarlyMicrosoft 365 Copilot
Editions & Modules
Pro
$30
per month per member
Enterprise
Contact Sales
Microsoft Copilot
$31.50
per month per user
Offerings
Pricing Offerings
GrammarlyMicrosoft 365 Copilot
Free Trial
YesNo
Free/Freemium Version
YesYes
Premium Consulting/Integration Services
NoNo
Entry-level Setup FeeNo setup feeNo setup fee
Additional DetailsDiscount available on Pro plan for annual pricing.Pricing shown is based on an annual commitment. Discount available for annual payment.
More Pricing Information
Community Pulse
GrammarlyMicrosoft 365 Copilot
Considered Both Products
Grammarly
Chose Grammarly
Grammarly can check grammar in any form while you are writing your message. For GPT, you have to copy your text into the chat, and then copy your new text into the form again. It is not that convenient.
Chose Grammarly
I haven't used other tools, but the simplicity and instant usability of Grammarly alone is what makes it so that I don't even need to look for another similar tool.
Chose Grammarly
I would say Grammarly is better at spell check and grammar check, but ChatGPT and Claude are better all-around GAIs.
Chose Grammarly
Compared to the ProWritingAid, Grammarly helps me with ease of use, real-time suggestions, tone, and clarity suggestions, and integration with other platforms provides cost v/s features above all.
Chose Grammarly
While DeepSeek (or similar tools) is effective for specific use cases like sentence rephrasing or creative localization, Grammarly offers a more comprehensive and versatile solution for businesses. Its advanced features, integrations, and focus on professionalism make it the …
Chose Grammarly
Once installed, Grammarly's proofreading abilities across all platforms (email, text, WordPress, etc.) are easy and intuitive. I don't even know if these other AI tools have that ability.
Chose Grammarly
I believe that both Grammarly and ProWritingAid are excellent tools that complement each other well. It would be fantastic to see an integration that combines the strengths of both. ProWritingAid provides comprehensive reports that are incredibly helpful. These reports …
Chose Grammarly
Grammarly is easier to use than Gemini
Chose Grammarly
There is absolutely no match between Grammarly and Microsoft spell checker when it comes to correcting spelling, grammar and overall features.
Chose Grammarly
Grammarly is easy to use and more accurate i feel.
Chose Grammarly
I found that ProWritingAid is harder to use than Grammarly and that some of its tips are too technical.

QuillBot was helpful for rewording sentences, but it didn’t check grammar as well as Grammarly does. It’s also not as strong when editing an entire document. In my opinion, …
Chose Grammarly
Grammarly makes it seamless to check your writing. Performance wise, they are about the same. But to use ChatGPT for checking writing, it required you to manually put the text in. It also doesn't allow you to automatically make the changes. It only makes suggestions which you …
Chose Grammarly
Built-in grammar checks and AI. They’re helpful in a pinch, but not for longer pieces or anything in excess of a sentence.
Chose Grammarly
To be honest, I have used both and they are very similar. QuillBot has some nice features in their free plan, such as a sidebar rewrite tool, but Grammarly is cheaper. Grammarly has the same tool, but it is just easier to access and use within QuillBot. Overall, the price was …
Chose Grammarly
Grammarly has a much more natural tone to suggestions. Often, when trying to rewrite an email or a letter/document with other products, it's hard to match those tones and still keep your document sounding authentic and with human empathy. Also, having the ability to make …
Chose Grammarly
The only program I know of that is similar is the onboard Apple spell-check, which will often miss several things that Grammarly does not. I also use Google Docs, which is not nearly as helpful as Grammarly since you can use it anywhere. Docs also misses things that Grammarly …
Chose Grammarly
It's been too long since I used Wordrake, which I think says a lot about how well Grammarly is doing in the marketplace.

We also saw the grammar checker in FlyMsg which is not as good as Grammarly.
Chose Grammarly
Apple AI has a Grammarly-like product, we tried using it, but it's not overlaid on top, and you need to select the text and then wait for the recommendation. It's possible Apple AI may improve but I cannot imagine it ever directly competing with Grammarly.
Chose Grammarly
Grammarly is easy to use and I like its suggestions. Other AI tools are better for generating text, but Grammarly is better at optimizing it and catching grammar mistakes. I also like that it has the extension which makes it easy to use Grammarly anywhere without having to sign …
Chose Grammarly
I have used Grammarly the most by installing it in my windows laptop and by adding an extension to my Microsoft edge. With the QuillBot, I have just used it on website for trail years before and it kept asking to pay somehow that was super annoying personally. And later in 2020 …
Chose Grammarly
It isn't listed but LanguageTool is very good and I prefer it for the fact you can use it in any platform I have found so far including agency analytics. Therefore, it is easier for me to suggest this as a toolbar add on to the team. It isn't currently listed on TrustRadius …
Chose Grammarly
It's not a stack-up per se, but I use it side by side, which is very helpful. ChatGPT helps me by suggesting procedures, letters, and more. This is my go-to app for work.
Chose Grammarly
I just used its free feature and didn't explore it much, as the user interface was much better for Grammarly.
Microsoft 365 Copilot
Chose Microsoft 365 Copilot
I think why my organization is preferring Microsoft Copilot is because of the wide rage of other linked products within it the way how workspace works is something which attracts the organization to go with copilot. Why Copilot over Claude is because of the security.
Chose Microsoft 365 Copilot
I haven't used any other Microsoft 365 Copilot alternatives or competitors because we are a Microsoft-based company, so this was the best solution for our organization.
Chose Microsoft 365 Copilot
We needed a tool where secure data was not submitted to servers to process as we have some health care related data to keep private. We also needed to be able to test this tool without committing first to see if it is a fit and Microsoft provided this easily to us.
Chose Microsoft 365 Copilot
Copilot standout in user friendliness and it's added with MS 365, chats are saved as well.
Chose Microsoft 365 Copilot
All data remains within the company, in the tenant. Customer data must never be leaked to an unprotected environment, not even targeted customer issues. That's why Copilot is much better suited for this.Copilot is also a Microsoft product, and its integration with all other …
Chose Microsoft 365 Copilot
Our organization runs on Microsoft so it's not much of a choice, but we do utilize the other AIs in the other tools as needed / more convenient.
Chose Microsoft 365 Copilot
I think It lost the race for now. I don't think Microsoft will keep investing on it since we have better tools outside their environment. In my opinion, Microsoft Copilot is not even in the benchmark tools and in the race for AGI.
I think Microsoft is way behind and Microsoft …
Chose Microsoft 365 Copilot
they work beautifully in their own ecosystems. since my organization mostly uses Microsoft products, Microsoft Copilot is user to navigate compared to gemini
Chose Microsoft 365 Copilot
Since Microsoft Copilot can be integrated into Microsoft 360, we think that Copilot has the advantage.
Chose Microsoft 365 Copilot
Microsoft Copilot is a serious competitor to ChatGPT in the corporate world, due to its heavy and well implemented integration across the Microsoft 365 suite. It produces comparable results, but provides data security, controls, customisation and options that ChatGPT can't …
Chose Microsoft 365 Copilot
Copilot is dominates ChatGPT in business related capabilities, like the listed below:
- Email content recommendation making it more professional and in business language
- Copilot creates more accurate and better looking custom images per my instructions
Chose Microsoft 365 Copilot
Microsoft Copilot is superior as it is more encompassing and does not time-out, etc.
Chose Microsoft 365 Copilot
I find that ChatGPT offers better image quality than Copilot, and creating custom GPTs in ChatGPT feels more intuitive than generating agents in Copilot Studio. However, Copilot provides more reliable sources for research compared to ChatGPT, which sometimes returns …
Chose Microsoft 365 Copilot
Since we use Microsoft 365 apps in our day-to-day work, we didn't have to choose Copilot over any other AI. It just came with the subscription. However, I would still use it over ChatGPT because Copilot is integrated with all the major Microsoft apps that we use. We dont need …
Chose Microsoft 365 Copilot
CoPilot AI is very user-friendly. Meets all my needs for content creation, searches, etc. Tried Gemini and Watson, but doesn't seem to have greater value than CoPilot AI. For translation, DeepL is absolutely my preferred product.
Chose Microsoft 365 Copilot
The primary reason is the integration into Office 360. Having the AI tool built into all of the office apps was a game changer in my opinion. Being able to use it in Word to help rewrite a sentence or look up a reference. In Excel, I have used to to build formulas or write …
Chose Microsoft 365 Copilot
I love Bing Copilot because it is integrated to Bing, I can have the answers easily using my phone or my laptop.
The answers show the links just in case one needs to have further information about a topic, and somehow the tool feels friendlier than the other tools such as …
Best Alternatives
GrammarlyMicrosoft 365 Copilot
Small Businesses
Jasper
Jasper
Score 7.9 out of 10

No answers on this topic

Medium-sized Companies
ProWritingAid
ProWritingAid
Score 9.0 out of 10
Cortana (discontinued)
Cortana (discontinued)
Score 7.5 out of 10
Enterprises
ProWritingAid
ProWritingAid
Score 9.0 out of 10
Cortana (discontinued)
Cortana (discontinued)
Score 7.5 out of 10
All AlternativesView all alternativesView all alternatives
User Ratings
GrammarlyMicrosoft 365 Copilot
Likelihood to Recommend
9.0
(0 ratings)
8.2
(0 ratings)
Likelihood to Renew
9.4
(0 ratings)
9.5
(0 ratings)
Usability
9.0
(0 ratings)
7.9
(0 ratings)
Availability
10.0
(0 ratings)
-
(0 ratings)
Performance
10.0
(0 ratings)
-
(0 ratings)
Support Rating
10.0
(0 ratings)
-
(0 ratings)
Implementation Rating
10.0
(0 ratings)
-
(0 ratings)
Ease of integration
10.0
(0 ratings)
-
(0 ratings)
Product Scalability
10.0
(0 ratings)
-
(0 ratings)
User Testimonials
GrammarlyMicrosoft 365 Copilot
Likelihood to Recommend
Grammarly is a great tool that would work well for writers, business professionals, students, and more. The app is incredibly useful in helping to improve writing and offers tons of tools like idea generation, outline drafting, using a specific voice to reach your audience and checking for plagiarism, to name a few.
Read full review
If you are in need of assistant, being ready to provide information quickly, or organize information, or synthesize talking points, this may be a tool for you. I have found that it may also be very helpful to track who is speaking in a meeting and summarize notes and action steps and to dos. It can be helping make communications.
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Pros
  • Integration with existing tools - Grammarly works in practically all text areas across your browser, including email and things like Google Docs, etc.
  • Quality control - the meat of Grammarly is checking your text and writing in real-time, directly as you type. Most of the time, Grammarly provides very accurate recommendations and quality checks on your text.
  • Analytics and reporting - Grammarly sends regular updates via email about your usage statistics and other detailed info. This type of reporting can be very helpful in tracking your progress over time.
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  • Good analysis of the ticket system at the service desk, so that this can be anticipated properly
  • For the management of IT environments, quick examples of scripting for desired solutions
  • For consultants and managers, they co-pilot a technical report into language understandable to a non-technical client, including a visual summary.
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Cons
  • Somewhat expensive.
  • Grammarly itself does not guarantee 100% correctness.
  • Sometimes, it does not remove the marked error even when you have corrected it.
  • Its MS office version faces some issues with plagiarism detection. I have to go on the web version to use plagiarism detection.
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  • The quality of image generation in Microsoft Copilot could be improved. Compared to other AI platforms, Copilot's images often fall short in quality and frequently contain typos.
  • When generating agents and chatbots, Microsoft Copilot currently doesn't appear to support file download functionality.
  • The email reply function is useful, but the responses can sometimes be overly elaborate. It would be helpful to have more options for adjusting the tone.
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Likelihood to Renew
Either I'm as dumb as a bag of nails, or Grammarly has been an invaluable tool in our communication arsenal since we've been users since 2017. I don't recall which podcast we heard it on, but it may have been when Jordan Harbinger was on Art of Charm. I listen to about 8 podcasts a day, so it was probably on something I listened to, demo'd it, and then ponied up for a paid subscription.
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Absolutely!!! I have a high regard for the product and will use it for years to come.
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Usability
It was very easy. I have it applied to all of my browsers as an extension so that I know I have entirely accurate grammar in anything I write for my company. I appreciate having something that will always be applied to anything on my computer. I wish I didn't need to use the Grammarly keyboard on mobile; I want it to read my text boxes like my computer does.
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For a while I think they had a great tool whit the advantage of being integrated with Visual Code, a tool that everyone was using. The market was theirs. Unfortunately, in my experience, the results were so inconsistent and basically wrong that I think would be best just code yourself or ask for simple tasks like giving a simple template for some function.
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Reliability and Availability
There's not much more to say ever than it works everywhere I work. all my applications have grammarly supporting my writing efforts
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No answers on this topic
Performance
Again, here's another example of Maine being very happy with the product. The application quickly analyzes my writing and highlights areas for me to address. It doesn't correct everything without my support, and I like that because it gives me control over my writing style and tone and gets me close to being perfect in my grammar and syntax. I've never seen it have a problem with any application that I traditionally use
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No answers on this topic
Support Rating
I have not really used customer support. I used the FAQ page to see how to re-install Grammarly because it wasn't functioning properly in longer documents. It seems to be working better now, but it still does not always underline all of the issues in the actual text. Thus, it is sometimes difficult to know where the errors are located.
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No answers on this topic
Implementation Rating
We identified- Primary users (e.g., sales, marketing, customer support, executives, content creators). High‑impact workflows (email, proposals, customer replies, social posts, knowledge‑base docs). Goals such as reducing editing time, improving brand consistency, or elevating external communication quality. After that we configured the application and set up SSO inside our organization. We then distributed the tool to our focus group to test, and after success with the pilot, we rolled itout across the org.
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No answers on this topic
Alternatives Considered
While DeepSeek (or similar tools) is effective for specific use cases like sentence rephrasing or creative localization, Grammarly offers a more comprehensive and versatile solution for businesses. Its advanced features, integrations, and focus on professionalism make it the preferred choice for organizations seeking to improve communication quality and consistency across teams.
Read full review
I think why my organization is preferring Microsoft Copilot is because of the wide rage of other linked products within it the way how workspace works is something which attracts the organization to go with copilot. Why Copilot over Claude is because of the security.
Read full review
Scalability
Grammarly has been an extremely reliable application for our organization. It works effectively across multiple applications, both traditional desktop and web. The more you see other web application bots floundering, Grammarly has never had that problem. When tools like LinkedIn make updates, Grammarly seamlessly works after the updates. We are very happy with the reliability of this product. It's even working inside of this app so that it fixes my mistakes when I'm drafting
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No answers on this topic
Return on Investment
  • It's allowing us to communicate more effectively and more confidently.
  • Presenting our staff and agents to the customers in the best way possible, and helps shine us up and everyone will know we pay attention to detail.
  • Our objective is to help our customers and be the bridge that connects the customers with the engineers and technical teams in the software vendors side, and having a like Grammarly is a game changer because it knows all the correct marketing and technical terms.
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  • It is too early to tell at the moment but I can see it as a positive moving forward
  • The amount of time saved in creating content will be a huge asset for faculty
  • The same holds true for students as they to will be able to safe a lot of time
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ScreenShots