Head-to-head · facts checked 15 Sept 2026
Gemini vs Grammarly
Gemini uniquely has 25 features · Grammarly uniquely has 8 features.
From
$12/mo (Pro plan, billed annually)
Free plan
Yes
The verdict
Gemini or Grammarly?
Section 01
Pricing, plan by plan
Every plan each vendor publishes, monthly and yearly where both are offered.
Gemini
Google AI Plus
$4.99/month
Get 2x higher usage limits
Google AI Pro
$19.99/month
Get 4x higher usage limits
Google AI Ultra
$99.99/month · $99.99/month for higher usage tiers. All Pro features included.
Get up to 20x higher usage limits
Grammarly
Free
$0/mo · $0/yr
Write without mistakes, see writing tone, 100 AI prompts/month
Pro
$30/mo · $144/yr
Full sentence rewrites, tone adjustment, plagiarism/AI detection, 2,000 AI prompts/month, 7-day free trial
Enterprise
Contact Sales
Unlimited members, dedicated support, BYOK encryption, data loss prevention, custom roles, unlimited AI prompts
Section 02
Pros and cons
From each tool's full review, written from the same checked facts.
Gemini
Pros
- Real-time Search grounding allows Gemini to pull live web information rather than relying on a knowledge cutoff, making answers more current than most competitors.
- Deep Google Workspace integration is genuine and functional — Gmail and Docs integrations in particular are consistently praised by enterprise users for saving real time.
- Available across web, iOS, Android, and Chrome extension, giving users flexible access across devices and workflows.
- Rapid feature shipping pace, including Gemini 2.5 Flash, video generation via Veo 3.1, and Deep Think reasoning, all landing in 2025–2026 updates.
- Task automation across Google Workspace covers email drafting, Docs writing, Sheets formulas, and Slides content in a single integrated tool.
- Meeting summaries and calendar scheduling via Google Meet integration add practical workflow utility for teams already in the Google ecosystem.
- Runs on Google's proprietary Gemini 2.5 Flash and 2.5 Pro models, with over 100 million users suggesting broad real-world adoption.
Cons
- The Slides integration feels noticeably thinner than Gmail and Docs, with marketing users flagging it as the weakest Workspace touchpoint.
- The product feels more like a sprawling platform than a focused tool, with Gemini bolted into so many surfaces that coherence can suffer.
- The fast shipping pace is sometimes uncomfortably rapid, suggesting features may land before they are fully polished or tested.
- Google's user count of 100 million lacks meaningful context given the company's history of pre-installing products across its ecosystem.
- Note-taking functionality runs through Google Docs and is described as functional rather than elegant, falling short of dedicated note-taking tools.
- The product is heavily optimized for users already inside the Google stack, limiting its appeal or utility for teams using other ecosystems.
Grammarly
Pros
- Grammarly works across an impressive range of platforms including Chrome, Safari, Firefox, Edge, Windows, Mac, iOS, Android, Microsoft Word, and Google Docs.
- The plagiarism checker is built directly into the editor rather than being a separate export tool, a useful workflow for academic and content marketing use.
- Real-time grammar, spelling, and punctuation corrections remain reliable and are available even on the free plan.
- The Pro plan at $12/month billed annually unlocks full sentence rewrites, tone suggestions, and style clarity options at a competitive price point.
- Tone detection and brand voice features make it viable for enterprise teams managing content consistency across large organizations.
- Grammarly says it works across more than 500,000 apps and websites, making it one of the most broadly compatible writing tools.
Cons
- The free plan is significantly limited, though it does include tone detection and 100 AI prompts a month alongside basic grammar, spelling, and punctuation; most meaningful features still require a paid Pro subscription.
- Grammarly is now owned by Superhuman, which adds uncertainty about the product's long-term direction.
- Brand voice customization is heavily gated, with free users restricted to a single brand tone while unlimited options require an enterprise plan.
Side by side
| Company | ||
| Founded | 2023 | 2009 |
| HQ | Mountain View, USA | San Francisco, USA |
| AI model | Gemini 3.6 Flash, Gemini 3.1 Pro | Proprietary |
| User base | 100M+ | 40 million+ |
| Platforms | Web, iOS, Android, Chrome Extension | Web, Windows, Mac, iOS, Android, Chrome, Safari, Firefox, Edge, MS Office, Google Docs |
| Languages | 40+ | English primary, with fluency support for non-native English speakers |
| Pricing | ||
| Pricing model | Freemium | Freemium |
| Free plan | Yes | Yes |
| Free trial | No | Yes — 7-day free trial for Pro |
| Starting price | $4.99/mo | $12/mo (Pro plan, billed annually) |
| Enterprise | Custom — Google Workspace add-on pricing | Custom |
| Refund policy | Pro-rated refund via Google Play / Google account billing policies | — |
| All plans | Google AI Plus — $4.99/month Google AI Pro — $19.99/month Google AI Ultra — $99.99/month | Free — $0/mo Pro — $30/mo Enterprise — Contact Sales |
| Positioning | ||
| Best for | Everyday productivity, creative work, and AI assistance at work, school, or home | Individuals, teams, and enterprises seeking AI-powered writing assistance, grammar checking, and tone improvement |
| Differentiator | Tiered access with up to 20x higher usage limits, Google Flow creative studio credits, and first access to advanced features like Deep Think and Gemini Spark | The most widely adopted AI writing assistant, trusted by 40 million users and 50,000 organizations, offering real-time grammar, tone, plagiarism, and AI detection with enterprise-grade security and style guide enforcement. |
| Competitors | ChatGPT, Claude, Microsoft Copilot | Hemingway Editor, ProWritingAid, QuillBot, Jasper, Copy.ai, Writer |
| Features | ||
| Canvas | ✓ | — |
| Deep Research | ✓ | — |
| Gemini Live | ✓ | — |
| Google Flow Credits | ✓ | — |
| Image Generation | ✓ | — |
| Video Generation | ✓ | — |
| AI Assistant | ✓ | — |
| AI Copywriting | — | ✓ |
| AI Research | — | ✕ |
| Brand Voice | — | Deep — brand tones (1 on Free, unlimited on Enterprise), style guide, knowledge share, snippets |
| Browser Extension | ✓ | — |
| Bulk Generation | — | ✕ |
| Calendar Integration | ✓ | — |
| Content Editor | — | ✓ |
| Document Creation | ✓ | — |
| Email Management | ✓ | — |
| Grammar Style | — | ✓ |
| Image Generation | — | ✕ |
| Long Form Writing | — | ✓ |
| Meeting Summary | ✓ | — |
| Mobile App | ✓ | — |
| Note Taking | ✓ | — |
| Offline Mode | ✕ | — |
| Paraphrasing | — | ✓ |
| Plagiarism Checker | — | Built-in — available on Pro and Enterprise plans |
| Presentation Builder | ✓ | — |
| Project Management | ✓ | — |
| Research Assistant | ✓ | — |
| SEO Optimization | — | ✕ |
| Short Form Writing | — | ✓ |
| Spreadsheet AI | ✓ | — |
| Task Automation | ✓ | — |
| Team Collaboration | ✓ | — |
| Templates | — | ✕ |
| Integrations | ||
| API Access | ✓ | ✓ |
| Browser Extension | ✓ | — |
| Chrome Extension | — | ✓ |
| Google Calendar | ✓ | — |
| Google Docs | — | ✓ |
| Google Drive | ✓ | — |
| Key Integrations | Gmail, Google Docs, Google Sheets, Google Slides, Google Drive, Google Meet, Google Calendar, YouTube, Google Search, Zapier, Google AI Studio API | Google Docs, Microsoft Office (Word), Chrome, Safari, Firefox, Edge, Windows desktop app, Mac desktop app, iPhone, iPad, Android, Zendesk (shown in marketing) |
| Microsoft 365 | ✕ | — |
| Slack Integration | ✓ | — |
| Wordpress | — | ✕ |
| Zapier | ✓ | — |
Section 03
Gemini vs Grammarly: common questions
Is Gemini or Grammarly cheaper?
Gemini's cheapest paid plan is $4.99/mo and Grammarly's is $12/mo (Pro plan, billed annually). Compare what each plan includes below before going on price alone.
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