G
GChatGPT vs ProWritingAid
Pricing, features, platforms and who each one suits — side by side.
C
Choose ChatGPT if…
- you're in its core audience: individuals and students, writers and knowledge workers
P
Choose ProWritingAid if…
- you work on macOS, Windows, Chrome
- you're in its core audience: novelists and fiction writers, self-published authors
Side by side
Feature ChatGPT ProWritingAid
Pricing modelFreemiumFreemium
Starting price$8/mo—
Free plan
Free trial
API
Open source
Trains AI on your contentYesNo
Data retention—Analysed text deleted after checking; only explicitly saved documents are kept
Security and compliance—GDPR
Web search—
File upload & analysis—
Image generation—
PlatformsWebWeb, macOS, Windows, Chrome
CategoryAI ChatbotsGrammar & Proofreading
CompanyOpenAIOrpheus Technology Ltd
Based in—United Kingdom
Founded—2013
Part of——
Key features
C ChatGPT
- Chat-based answers to questions and tasks
- Help with writing and editing
- Coding help through the included Codex agent
- Several individual tiers from Free to Pro
- Per-seat team workspaces through Business
- Enterprise plan sold through sales
P ProWritingAid
- Grammar, spelling and punctuation checker
- 25+ writing analysis reports
- Rephrase tool for rewriting sentences
- Chapter Critique and full manuscript analysis
- Story Canvas and Outline Crafter for planning
- Comparison of your writing style with 90 fiction authors
- Integrations with Word, Google Docs, Scrivener and browsers
- Custom style guide and dictionary
Plans and prices
From each vendor's site. Prices change — confirm before buying.
ChatGPT
Free$0
Go$8/mo (US)
Plus$20/mo
ProFrom $100/mo
Business$20/user/mo billed annually; $25 monthly
EnterpriseCustom
ProWritingAid
Free€0
Premium€30/mo monthly, €10/mo billed yearly (€120), or €399 lifetime
Premium Pro€36/mo monthly, €12/mo billed yearly (€144), or €699 lifetime
Strengths and limitations
ChatGPT
- Free plan available
- Go plan costs $8/month in the US
- Codex is included in all plans, Free included
- Business plan starts at just 2 users
- Free plan has limited features
- Pro tiers cost $100–$500 per month
- Enterprise pricing is only available from sales
ProWritingAid
- Free plan with grammar checks and daily Rephrases
- Lifetime purchase option on paid plans
- Works in Word, Google Docs, Scrivener and major browsers
- Discount available for students
- Free plan analyzes only 500 words at a time
- Supports English only
- Monthly plans are not refundable, and the money-back guarantee on other plans lasts only 3 days
- In-depth manuscript analysis needs separately purchased Story Credits
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Personal Assistants
Built from each vendor's public website; we haven't tested them hands-on. Editorial policy