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Head-to-head · AI Writing Tools

Grammarly vs Jasper

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Grammarly #1 in AI Writing Tools 9.4/10 Free plan Free plan✓ 2 of 4 features Visit Grammarly
Jasper #3 in AI Writing Tools 9.1/10 7-day trial Free trial✓ 4 of 4 features Visit Jasper

Grammarly leads on 2 checks, Jasper on 0, and 4 are even. Who comes out ahead on the 6 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
  • Lowest starting priceGrammarly · $12/user/mo
  • Free planonly Grammarly
  • Free trialonly Jasper
  • Most featuresJasper · 4 of 4

Grammarly scores higher on our rubric for ai writing tools: 9.4 against 9.1 out of 10; our editors rank them #1 and #3.

Grammarly offers free plan; Jasper doesn't. Grammarly is cheaper to start at $12/user/mo against $59/user/mo.

Grammarly is the better fit for broad everyday writing assistance. Jasper is the better fit for large marketing teams with budgets.

  • Grammarly fits best

    Broad everyday writing assistance

  • Jasper fits best

    Large marketing teams with budgets

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 ↗ Jasper 9.1/10 Visit ↗
At a glance
Editor score 9.4 9.1
Ranking #1 in AI Writing Tools #3 in AI Writing Tools
Best for Broad everyday writing assistance Large marketing teams with budgets
Pricing model Free plan + paid Paid
Starting price $12/user/mo (best) $59/seat/mo
Free plan ✓ (best) —
Free trial — 7 days
Deployment Cloud, Desktop, Mobile, Browser extension Cloud, Browser extension
Platforms Web, Windows, macOS, iOS, Android, Chrome extension Web, Chrome extension
Support Docs Email, Tickets, Community, Docs
Compliance SOC 2, ISO 27001, HIPAA, PCI DSS, SSO/SAML, 2FA SOC 2, GDPR, PCI DSS, SSO/SAML
Integrations 8 integrations 1,000+ integrations
Built for Solo, Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Grammarly 2/4 · Jasper 4/4
Brand voice controls ✓ ✓
Long-form writing ✓ ✓
SEO features Not published by the vendor (checked 27 Oct 2026) ✓ (best)
Team collaboration Not checked yet ✓ (best)
Specs
Content templates Not checked yet Not checked yet
Language support Multilingual Multilingual
Native integrations Not checked yet 1000
Our review
Pros
  • Covers grammar, clarity, fluency, tone, style, and rewriting
  • Works across web, desktop, mobile, and browser environments
  • Integrates with Word, Google Docs, Gmail, Salesforce, and more
  • AI agents cover research, creation, translation, personalization, and optimization
  • Brand Voice, Knowledge, audiences, and governance support controlled content creation
  • Canvas, Grid, API access, and 18 integrations fit coordinated marketing workflows
Cons
  • Free plan limits AI prompts to 100 per month
  • Full-sentence rewrites and detection tools require Pro
  • Enterprise features are focused on organizational administration
  • No free plan limits low-cost evaluation
  • The $59 annual price is per user per month
  • The broad feature set may exceed the needs of simple writing users
Our verdict

Grammarly is an AI writing assistant for individuals, professionals, teams, and educational users. It covers spelling, grammar, punctuation, clarity, fluency, style, tone, drafting, rewriting, multilingual grammar suggestions, plagiarism…

Read the review →

Jasper is an AI marketing platform for marketing teams and enterprises that need to research, create, adapt, translate, personalize, and optimize written and visual content. Its focus extends beyond drafting: AI agents support core…

Read the review →
  1. GrammarlyAI Writing Tools 9.4Free plan
  2. JasperAI Writing Tools 9.17-day trial

Strengths and trade-offs

  • Grammarly — where it wins

    • Covers grammar, clarity, fluency, tone, style, and rewriting
    • Works across web, desktop, mobile, and browser environments
    • Integrates with Word, Google Docs, Gmail, Salesforce, and more

    Where it doesn't

    • Free plan limits AI prompts to 100 per month
    • Full-sentence rewrites and detection tools require Pro
    • Enterprise features are focused on organizational administration

  • Jasper — where it wins

    • AI agents cover research, creation, translation, personalization, and optimization
    • Brand Voice, Knowledge, audiences, and governance support controlled content creation
    • Canvas, Grid, API access, and 18 integrations fit coordinated marketing workflows

    Where it doesn't

    • No free plan limits low-cost evaluation
    • The $59 annual price is per user per month
    • The broad feature set may exceed the needs of simple writing users
  • Grammarly9.4/10 · Free plan

    Broad writing support with strong editing, rewriting, drafting, and detection tools.

    Visit GrammarlyFull verdict →
  • Jasper9.1/10 · 7-day trial

    A broad AI marketing workspace for teams that need brand control, optimization, and collaboration.

    Visit JasperFull verdict →

More comparisons

All AI writing tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update