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Head-to-head · AI Grammar Checkers

Grammarly vs Antidote

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score Grammarly #1 in AI Grammar Checkers 9.4/10 Free plan Free plan✓ 2 of 5 features Visit Grammarly
Antidote #3 in AI Grammar Checkers 8.9/10 30-day trial Free trial✓ 2 of 5 features Visit Antidote

Grammarly leads on 1 check, Antidote on 0, and 2 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreGrammarly · 9.4/10
  • Free planonly Grammarly
  • Free trialonly Antidote

Grammarly scores higher on our rubric for ai grammar checkers: 9.4 against 8.9 out of 10; our editors rank them #1 and #3.

Grammarly offers free plan; Antidote doesn't.

Grammarly is the better fit for teams wanting broad AI writing support. Antidote is the better fit for serious English or French proofreaders.

  • Grammarly fits best

    Teams wanting broad AI writing support

  • Antidote fits best

    Serious English or French proofreaders

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Grammarly 9.4/10 Visit ↗ Antidote 8.9/10 Visit ↗
At a glance
Editor score 9.4 8.9
Ranking #1 in AI Grammar Checkers #3 in AI Grammar Checkers
Best for Teams wanting broad AI writing support Serious English or French proofreaders
Pricing model Free plan + paid Paid
Starting price $12/user/mo €48/user/yr
Free plan ✓ (best) —
Free trial — 30 days
Deployment Cloud, Desktop, Mobile, Browser extension Cloud, Desktop, Mobile, Browser extension
Platforms Web, Windows, macOS, iOS, Android, Chrome extension Web, Windows, macOS, Linux, iOS, Android, Chrome extension
Support Docs Email, Phone, Docs
Integrations 8 integrations 4 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Grammarly 2/5 · Antidote 2/5
Browser extension ✓ ✓
Desktop app ✓ ✓
Custom rules Not checked yet Not checked yet
Team administration Not checked yet Not checked yet
AI rewrite suggestions Not checked yet Not checked yet
Specs
Supported languages Not checked yet Not checked yet
Document integrations Not checked yet Not checked yet
Our review
Pros
  • Combines grammar, tone, clarity, style, and rewrite assistance
  • Works across web, desktop, mobile, and browser extension
  • Integrates with Word, Google Docs, Gmail, Salesforce, and more
  • Corrects grammar, spelling, typography, punctuation, and style
  • Combines reformulation, tone detection, dictionaries, and language guides
  • Works across desktop, web, mobile, and browser connectors
Cons
  • Free plan includes 100 AI prompts per month
  • Pro limits AI prompts to 2,000 per member per month
  • Advanced administration and security controls require Enterprise
  • No free plan; subscriptions are billed annually
  • Focused on English and French rather than broad language coverage
  • Some advanced capabilities require choosing the two-language plan
Our verdict

Grammarly is an AI writing assistant for individuals, professionals, teams, and educational users. It checks spelling, grammar, punctuation, clarity, fluency, style, and tone, while also supporting full-sentence and paragraph rewrites,…

Read the review →

Antidote is writing-assistance software for individuals, families, organizations, and educational users who need more than basic grammar checking. Its corrector covers grammar, spelling, typography, punctuation, and style, while integrated…

Read the review →
  1. GrammarlyAI Grammar Checkers 9.4Free plan
  2. AntidoteAI Grammar Checkers 8.930-day trial

Strengths and trade-offs

  • Grammarly — where it wins

    • Combines grammar, tone, clarity, style, and rewrite assistance
    • Works across web, desktop, mobile, and browser extension
    • Integrates with Word, Google Docs, Gmail, Salesforce, and more

    Where it doesn't

    • Free plan includes 100 AI prompts per month
    • Pro limits AI prompts to 2,000 per member per month
    • Advanced administration and security controls require Enterprise

  • Antidote — where it wins

    • Corrects grammar, spelling, typography, punctuation, and style
    • Combines reformulation, tone detection, dictionaries, and language guides
    • Works across desktop, web, mobile, and browser connectors

    Where it doesn't

    • No free plan; subscriptions are billed annually
    • Focused on English and French rather than broad language coverage
    • Some advanced capabilities require choosing the two-language plan

More comparisons

All AI grammar checkers comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update