Choosing AI writing tools for business can feel like picking from an endless shelf. Match the tool to the documents your team already writes, check the data terms, and keep a human reviewing every draft.
This page sits within the wider topic of ai tools for business, which maps the main software categories side by side.
| Item | Value |
|---|---|
| AI writing products listed on G2, June 2026 | 1,227 products |
| Growth against the 68 products listed in 2024 | 1,704% increase |
| Verified reviews across the category | 165,300+ reviews |
| Small businesses’ share of the top buyer segment | 57% |
| Grammar check score for Grammarly and Microsoft Copilot (Summer 2026 Grid Report) | 94% |
| New reviews added in Q1 2026 | 761 reviews |
These figures come from G2’s AI writing assistants report. They can change as listings and reviews are added, so check the source before you rely on them.
What AI writing tools do for business teams
An AI writing assistant is software that uses artificial intelligence to support the writing process. According to G2, top products offer real-time grammar correction, tone refinement and content creation.
G2 sums up the business case in three benefits:
- Efficiency: AI can automate tedious tasks such as grammar checking and content research, so teams produce more in less time.
- Quality: language-processing algorithms suggest refinements to tone, style and structure.
- Collaboration: many tools have collaborative features and integrate with existing tools, which helps keep messaging consistent.
The need is broad. G2 relays a McKinsey global survey on AI in which creating text documents is among the top three use cases for marketing, sales, product, development and operations.
If your main goal is campaigns and audience content, the guide to ai tools for marketing goes deeper on that use. If your work is more about turning numbers into findings than producing prose, read about ai tools for data analysis instead.
What the G2 data shows about the category
As of June 2026, G2’s AI writing category lists 1,227 products, a 1,704% increase from the 68 products listed in 2024. The same G2 report counts more than 165,300 verified reviews, with small businesses (57%) leading the top buyer segment.
Buyer feedback keeps arriving. G2 reports 761 new reviews added in Q1 2026 alone, which suggests a crowded market where a shortlist matters more than a long search.
The top use cases have stayed steady: grammar correction and tone refinement, now joined by newer features such as content generation and meeting summaries.
Which tool fits which job?
G2 makes a point that is easy to miss: the best grammar checker is not the best content generator. A tool that polishes your sentences may not be the one that drafts a first version well, so decide the job before you compare names.
In G2’s Summer 2026 Grid Report for AI Writing Assistants, the scores below stand out:
- Grammarly and Microsoft Copilot lead on grammar check, both at 94%.
- Grammarly also tops tone check at 92%, while Microsoft Copilot leads sentence formatting at 95%.
- Wordtune is consistent across the three metrics: 93% grammar check, 92% tone check and 93% sentence formatting.
- Among the top ten vendors, Writesonic leads on formatting with the highest plagiarism check score (89%) and a citation finder score of 87%.
These products appear here only as examples of what the G2 data reports, not as recommendations. G2’s category ranking also includes Grammarly, Notion, Google Gemini, Microsoft Copilot and Canva among its leading products.
Formatting checks matter most for professional writing such as college or medical-school work, where style guides and citations count. For everyday business email and internal documents, tone and grammar scores may tell you more.
Where your documents live matters
An editorial review from Editorialge notes that many teams compare AI output before checking where their documents actually live. That order is backwards, because the existing workflow should come before the product demonstration.
The same review explains the logic: if policies, reports and templates are stored in SharePoint, Microsoft integration has an immediate advantage. If plans and meeting records sit in Google Drive or Notion, moving them into another AI workspace can create duplicate files and uncertain versions.
Its conclusion is practical: matching your team’s document platform and data standards remains the fastest path to choosing the right assistant.
Data terms and accuracy checks
Account type matters. The Editorialge review warns that consumer and business subscriptions may differ in training defaults, retention options, connectors, contractual terms and administrative controls.
Its guidance for staff is plain: do not upload the following simply because a tool accepts the file.
- Confidential contracts
- Customer information
- Unreleased financial results
- Sensitive personnel records
Accuracy needs the same care. Fluent output is not evidence of accuracy, and the review says these items still need human verification:
- Names and figures
- Quotations
- Contractual language
- Project status
- Policy requirements
Build that check into the process rather than leaving it to chance. A named reviewer for each document type is a simple way to do it.
A simple way to choose
This editorial checklist pulls the points above into a short selection process. It is a suggested approach, not a vendor ranking.
- List the writing jobs your team repeats: editing, drafting, formatting or summaries.
- Note where the source documents and templates are stored today.
- Read the data and retention terms for the business plan, not the consumer plan.
- Test shortlisted tools on real drafts that contain no confidential material.
- Name a human reviewer who checks facts, figures and quotations before anything is sent.
The Editorialge review offers a useful yardstick for the first step. It assessed each tool against common workplace writing tasks, which you can borrow as a test brief:
- Drafting reports, proposals, product briefs, policies and executive updates
- Editing for clarity, grammar, tone and consistency
- Referencing company files and internal knowledge
- Working inside Word, Google Docs, Notion and other established platforms
- Applying agreed terminology and organizational writing standards
- Providing suitable administrative and data controls
Score each shortlisted tool only against the jobs that matter to your team. The review calls its own comparison table a shortcut, not a universal ranking, so treat any list of tools the same way.
Revisit the choice when your document platform changes. The category is growing fast, so a tool that fit last year may not be the best fit now.
Frequently asked questions
Is there one best AI writing tool for every task?
Show answer
No. G2 states that the best grammar check assistant is not the best content generation assistant, so the right tool depends on the job you need done.
Can I publish AI drafts without review?
Show answer
An Editorialge review treats fluent output as not proof of accuracy. Names, figures, quotations, contractual language, project status and policy requirements still need human verification.
Do consumer and business accounts work the same way?
Show answer
Not necessarily. The Editorialge review says they may have different training defaults, retention options, connectors, contractual terms and administrative controls, so read the terms of the plan you buy.
How big is the AI writing software market?
Show answer
As of June 2026, G2 lists 1,227 products in the category. Treat that as a snapshot, since listings change.
