Homeβ€ΊProWritingAid vs AI21 Studio
Updated March 2026 Β· Independent Analysis

ProWritingAidvsAI21 Studio

ProWritingAid starts at $10/mo, 74% cheaper than AI21 Studio's $39/mo. ProWritingAid is rated higher at 4.5/5 vs AI21 Studio's 4.3/5.

P
ProWritingAid

In-depth AI writing editor with 200+ reports, style analysis, and deep integration with Word and Scrivener.

β˜… 4.5/5Founded 20122M+ users
Try ProWritingAid Free β†’
A
AI21 Studio

Developer-focused NLP platform offering Jurassic-2 language models with task-specific APIs for text generation and understanding.

β˜… 4.3/5Founded 2017500K+ users
Try AI21 Studio Free β†’

⚑ Quick Stats

⭐
Avg Rating
πŸ† ProWritingAid wins
πŸ’°
Starting Price
πŸ† ProWritingAid wins
πŸ”§
Features
πŸ† ProWritingAid wins
🎁
Free Plan
ProWritingAidYes βœ“
AI21 StudioYes βœ“

πŸ“Š Ratings Breakdown

P

ProWritingAid

4.5/5 avg
G2 Score4.5/5
Capterra Score4.6/5
Overall Avg4.55/5
A

AI21 Studio

4.3/5 avg
G2 Score4.4/5
Capterra Score4.3/5
Overall Avg4.35/5

⚑ Quick Verdict

Independent analysis based on features, pricing, and user ratings

Choose ProWritingAid if you need:
  • βœ“ Grammar checker
  • βœ“ Style improvements
  • βœ“ 200+ writing reports
  • βœ“ Readability score
  • βœ“ ClichΓ©s detector
Try ProWritingAid Free β†’
Choose AI21 Studio if you need:
  • βœ“ Jurassic-2 models
  • βœ“ Text generation
  • βœ“ Summarization
  • βœ“ Paraphrasing API
  • βœ“ Contextual answers
Try AI21 Studio Free β†’

πŸ”§ Feature Comparison

ProWritingAid uniquely offers Grammar checker, Style improvements, 200+ writing reports. AI21 Studio uniquely offers Jurassic-2 models, Text generation, Summarization. Both share 0 features.

Feature
ProWritingAid
AI21 Studio
Grammar checker
βœ“
βœ—
Style improvements
βœ“
βœ—
200+ writing reports
βœ“
βœ—
Readability score
βœ“
βœ—
ClichΓ©s detector
βœ“
βœ—
Pacing analysis
βœ“
βœ—
Dialogue checker
βœ“
βœ—
Word explorer
βœ“
βœ—
Integrations
βœ“
βœ—
Chrome extension
βœ“
βœ—
MS Word add-in
βœ“
βœ—
Scrivener plugin
βœ“
βœ—
Jurassic-2 models
βœ—
βœ“
Text generation
βœ—
βœ“
Summarization
βœ—
βœ“
Paraphrasing API
βœ—
βœ“
Contextual answers
βœ—
βœ“
Custom model tuning
βœ—
βœ“
Segmentation
βœ—
βœ“
Task-specific APIs
βœ—
βœ“
Playground
βœ—
βœ“
Fine-tuning
βœ—
βœ“
Document understanding
βœ—
βœ“
RAG capabilities
βœ—
βœ“
Total Features
12
12

πŸ’° Pricing Comparison

ProWritingAid starts at $10/mo, 74% cheaper than AI21 Studio's $39/mo.

P

ProWritingAid Plans

Free tier available

Free
Free
  • β€’ 500 words/check
  • β€’ Basic reports
  • β€’ Web editor
PremiumBest Value
$10/mo
  • β€’ Unlimited words
  • β€’ 200+ reports
  • β€’ All integrations
Premium+
$12/mo
  • β€’ Everything in Premium
  • β€’ Plagiarism checks
  • β€’ Video tutorials
Full ProWritingAid pricing breakdown β†’
A

AI21 Studio Plans

Free tier available

Free
Free
  • β€’ $10 free credits
  • β€’ Playground access
  • β€’ Basic APIs
TeamsBest Value
$39/mo
  • β€’ Production APIs
  • β€’ Fine-tuning
  • β€’ Team collaboration
Enterprise
Custom
  • β€’ Custom models
  • β€’ SLA
  • β€’ Dedicated support
Full AI21 Studio pricing breakdown β†’
πŸ”” Get notified when prices change

❓ Frequently Asked Questions

Was this comparison helpful?
πŸ“¬ Stay updated on SaaS pricing changes
Get notified when tools update their pricing or features

πŸ”— Related Comparisons