Copilot in Word vs LanguageTool

Copilot in Word and LanguageTool sit in the same category and share 3 tasks. The verdict below is calculated for each role from the tasks, the role fit and the price.

Short answer

Copilot in Word wins for 20 of 20 roles in our data. Copilot in Word starts at $20/mo; LanguageTool publishes no fixed price.

Verdict by role

Role	Better choice	Why
Accountant	Copilot in Word	covers 10 tasks relevant to this role against 2
Lawyer	Copilot in Word	covers 10 tasks relevant to this role against 3
HR manager	Copilot in Word	covers 5 tasks relevant to this role against 2
Finance manager	Copilot in Word	covers 8 tasks relevant to this role against 2; built for this role
Manager	Copilot in Word	covers 9 tasks relevant to this role against 2
Marketer	Copilot in Word	covers 9 tasks relevant to this role against 2
Sales manager	Copilot in Word	covers 9 tasks relevant to this role against 2
Data analyst	Copilot in Word	covers 8 tasks relevant to this role against 2; built for this role
Teacher	Copilot in Word	covers 9 tasks relevant to this role against 2
Executive assistant	Copilot in Word	covers 10 tasks relevant to this role against 3
Logistics manager	Copilot in Word	covers 9 tasks relevant to this role against 2
Procurement manager	Copilot in Word	covers 8 tasks relevant to this role against 2; built for this role
Secretary	Copilot in Word	covers 9 tasks relevant to this role against 2
Recruiter	Copilot in Word	covers 5 tasks relevant to this role against 2
HR administrator	Copilot in Word	covers 5 tasks relevant to this role against 2; part of the role's core toolkit
Tax consultant	Copilot in Word	covers 11 tasks relevant to this role against 3; part of the role's core toolkit
Auditor	Copilot in Word	covers 10 tasks relevant to this role against 2
Economist	Copilot in Word	covers 8 tasks relevant to this role against 2; built for this role
Project manager	Copilot in Word	covers 9 tasks relevant to this role against 2
Social media manager	Copilot in Word	covers 9 tasks relevant to this role against 2

Side by side

	Copilot in Word	LanguageTool
Vendor	Microsoft	LanguageTooler GmbH
Category	Documents and writing	Documents and writing
Free plan	No	Yes: Checks of fragments up to 10,000 characters at a time, basic grammar and spelling rules
Cheapest paid plan	Included in Copilot Pro, $20/mo	price on request
Top plan	Included in Microsoft 365 Copilot, $30/mo	price on request
Tasks covered	16	3

Copilot in Word: Drafts, rewrites and summaries of documents in Word, drawing on other company files.

LanguageTool: Grammar and style checks in more than thirty languages in the browser, Word and Google Docs.

Tasks both handle

Only Copilot in Word covers

Only LanguageTool covers

No unique tasks in this data

Pitfalls to watch at work

Copilot in Word

Compare two versions of a contract with Word's built-in Compare and ask Copilot to explain the changes found: on its own it misses some edits
Rewriting in a different tone also changes the content: after Rewrite, check amounts, dates and party names against the original
In the business version Copilot may pull a passage from someone else's document you have access to: check the sources in the answer

LanguageTool

The extension sends text to the service's servers for checking: for documents with trade secrets check your company policy or use a corporate plan with processing in Europe
Accounting and legal terminology is often flagged as an error: add the terms to your personal dictionary instead of accepting every correction

FAQ

Is Copilot in Word or LanguageTool better for work?

In our data Copilot in Word is the better choice for 20 of 20 roles. The table above shows the reason for each role.

Which is cheaper, Copilot in Word or LanguageTool?

Copilot in Word starts at $20/mo; LanguageTool publishes no fixed price.

Do Copilot in Word and LanguageTool have free plans?

Copilot in Word: No. LanguageTool: Yes. Checks of fragments up to 10,000 characters at a time, basic grammar and spelling rules.

Compare Copilot in Word with

Compare LanguageTool with

Alternatives to Copilot in Word · Alternatives to LanguageTool · Copilot in Word pricing · LanguageTool pricing