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Updated today · Independent Analysis
ChatGPT vs Grammarly
Capability Overview
Quick VerdictIndependent Analysis
ChatGPT and Grammarly are both Large Language Models tools. ChatGPT starts at $7/mo, Grammarly at $30/mo. Compare features, pricing, and ratings below to find the best fit for your team.
When to Choose ChatGPT vs Grammarly
The question that matters: “In what situation will I regret choosing A over B after 3 months?”
Scenario: Generate 200+ Test Cases Per
ChatGPT
Generate 200+ Test Cases Per Sprint
Code assistance turns feature descriptions into test scripts, with Web browsing checking API docs in real time - multiplying test case output fivefold per sprint.
Grammarly
Enforce Terminology Across 200+ Contributors
The Team style guide pushes real-time corrections into Google Docs, team chat, and email clients - cutting first-pass copy editing for 60-70% of contributor submissions.
ChatGPT Unique Strength
Convert Raw CSVs Into Board-Ready Reports
Data analysis processes raw CSV exports into reports with charts and commentary, cutting manual quarterly assembly from 8 hours to under an hour.
→ Choose ChatGPT if this scenario applies to you. Grammarly doesn't offer a comparable solution.
Grammarly Unique Strength
Standardize Outbound Email Tone at Scale
Tone suggestions catch aggressive or casual phrasing in the Browser extension, keeping outbound emails on-voice without review cycles that eat 4+ hours daily.
→ Choose Grammarly if this scenario applies to you. ChatGPT doesn't offer a comparable solution.
Grammarly Unique Strength
Scan for Plagiarism Before External Handoff
Plagiarism detection scans 16+ billion sources in under 3 seconds per document, catching unattributed language before it reaches external stakeholders.
→ Choose Grammarly if this scenario applies to you. ChatGPT doesn't offer a comparable solution.
Grammarly Unique Strength
Catch Ambiguities in Technical Specs
Style improvements catch passive voice and unclear modifiers in spec documents, cutting engineering scope clarification requests by 35% and compressing feedback loops.
→ Choose Grammarly if this scenario applies to you. ChatGPT doesn't offer a comparable solution.
Pricing Comparison & PlansHigh· Verified Jul 2, 2026
ChatGPT starts at $7/movs $30/mo
ChatGPT Plans
Free tier available
Free
FreeBest for: Intelligence for everyday tasks
- ✓Ограниченный доступ к GPT-5.5 Instant
- ✓Ограниченные сообщения и загрузки
- ✓Ограниченная и более медленная генерация изображений
- ✓Ограниченные глубокие исследования
- ✓Ограниченные возможности памяти и контекста
View on vendor site
MOST POPULARGo
$7/moBest for: Continue chatting with expanded access
- ✓Расширенный доступ к GPT-5.5 Instant
- ✓Больше сообщений
- ✓Больше загрузок
- ✓Больше возможностей для создания изображений
- ✓Более расширенная память
View on vendor site
Plus
$20/moBest for: Do more with advanced AI
- ✓Продвинутые рассуждения с GPT-5.5 Thinking
- ✓Расширенные сообщения и загрузки
- ✓Более сложное создание изображений
- ✓Расширенные глубокие исследования и режим агента
- ✓Расширенные возможности памяти и контекста
View on vendor site
Business
$25/user/momonthlyor$240/yrsave 20%
Best for: Secure workspace with company context
- ✓Access to ChatGPT + Codex on desktop/mobile
- ✓ИИ для обсуждений, написания кода, анализа и рабочих процессов
- ✓Integrations: Microsoft 365, Google Drive, Slack, Github, Linear, Figma and more
- ✓Custom plugins for team agents
- ✓Centralized billing & admin
View on vendor site
Pro
$120/moBest for: Maximize productivity
- ✓В 5 или 20 раз больше лимитов использования
- ✓Pro рассуждения с GPT-5.5 Pro
- ✓Максимальное количество задач Codex
- ✓GPT-5.3 и загрузка файлов без ограничений
- ✓Неограниченное и более быстрое создание изображений
View on vendor site
Codex
Contact SalesBest for: Development-focused teams with usage-based billing
- ✓Разработка ПО на базе ИИ
- ✓Автоматизированные проверки кода и безопасности
- ✓Автоматизируйте задачи на вашем компьютере
- ✓Встроенные рабочие деревья и облачные среды для мультиагентных рабочих процессов
- ✓Без фиксированной платы за место - оплата по факту использования
View on vendor site
API Token Pricing
ChatGPT
In: $5Out: $15/
Grammarly Plans
Free tier available
Free
FreeBest for: Write without spelling and grammar mistakes
- ✓Basic grammar and spelling checks
- ✓Punctuation correction
- ✓Conciseness suggestions
- ✓Browser extension
- ✓100 AI prompts per month
View on vendor site
MOST POPULARPro
$30/user/momonthlyor$144/yrsave 60%
Best for: Most Popular, achieve goals with clear and confident writing
- ✓Advanced grammar, spelling, and punctuation checks
- ✓Contextual error detection
- ✓Vocabulary enhancement suggestions
- ✓Genre-specific writing style checks
- ✓Plagiarism detection (16+ billion web pages)
View on vendor site
Enterprise
Contact SalesBest for: Drive results across org, available through Superhuman Go
- ✓Customized pricing and user management
- ✓Team features
- ✓Style guides
- ✓Brand tones
- ✓Usage analytics
View on vendor site
Capability Breakdown
12 differences found across 20 standardized features
Feature
ChatGPT
Grammarly
Text Generation
✓
✗
Image Generation
✓
✗
Code Generation
✓
✗
Voice/Speech
✓
✗
Browser Extension
✗
✓
Mobile App
✗
✓
Collaboration
✗
✓
Web Search
✓
✗
Templates
✗
✓
Multi-language
✗
✓
Real-time
✗
✓
Enterprise/Team Plans
✗
✓
Total (raw)
15
8
ChatGPT Features
- •AI text generation
- •Code assistance
- •Image generation
- •Data analysis
- •Plugins/GPTs
- •API access
- •Voice mode
- •Web browsing
- •Conversational Flow Control
- •Personalized Learning Paths
- •Advanced Sentiment Mapping
- •Multi Language Support
- •Intelligent Summarization Tools
- •Customizable Tone Options
- •Contextual Understanding Engine
Grammarly Features
- •Grammar checking
- •Plagiarism detection
- •Tone suggestions
- •Style improvements
- •Browser extension
- •MS Office plugin
- •Mobile app
- •Team style guide
Strengths & Limitations
Evaluative strengths and weaknesses: not feature lists
Pros
- +Access to OpenAI's latest models like GPT-4o for superior reasoning
- +Massive ecosystem of third-party integrations and custom GPTs
- +Advanced multimodal inputs: voice, images, and file uploads
- +Generous free tier provides powerful, accessible AI for everyone
- +Simple, intuitive interface suitable for non-technical users
Cons
- −Knowledge cutoff means it lacks real-time event or news awareness
- −Prone to factual inaccuracies or 'hallucinations' on complex topics
- −Free version experiences capacity issues and slower responses during peak times
- −Data privacy concerns for business use without an Enterprise plan
- −Limited context window can cause loss of detail in long conversations
Pros
- +Integrates seamlessly across browsers, desktop apps, and mobile
- +Real-time tone detection adjusts writing for specific audiences
- +Comprehensive free version covers core grammar and spelling needs
- +Style guide feature ensures brand consistency for business teams
- +Plagiarism checker compares text against billions of web pages
Cons
- −Suggestions can be overly prescriptive, stifling creative or nuanced writing styles
- −Advanced features (plagiarism, style guides) are locked behind a pricey Pro plan
- −Can occasionally misinterpret context, offering grammatically correct but nonsensical changes
- −Offline functionality is limited; requires an internet connection for full analysis
- −Generative AI features lag behind dedicated tools like Jasper or Copy.ai
At a Glance
User Rating
4.7/5vs4.7/5
ChatGPT
Grammarly
Starting Price
$7/movs$30/mo
ChatGPT
Grammarly
▲
Feature Count
15 featuresvs8 features
ChatGPT
▲
Grammarly
User Base
100.0Mvs30.0M
ChatGPT
▲
Grammarly
ChatGPT · Price & Data SyncLast verified: July 2, 2026 · CE-LLM-2026W26-D97A1F · ✓ Pricing updated Jun 28, 2026
Grammarly · Price & Data SyncLast verified: June 28, 2026 · CE-AI-WRITE-2026W22-FF57F3 · ✓ Pricing updated Jun 3, 2026
Recent Price History
ChatGPT
ChatGPT "Go" price changed from $8/mo to $7/mo
Price change · Jun 28, 2026
ChatGPT
ChatGPT added the "Pro" plan at $120/mo
Plan added · Jun 28, 2026
ChatGPT
ChatGPT added the "Codex" plan
Plan added · Jun 28, 2026
ChatGPT
ChatGPT removed the "Pro Codex" plan
Plan removed · Jun 28, 2026
ChatGPT
ChatGPT removed the "Pro Max" plan
Plan removed · Jun 28, 2026
Grammarly
Grammarly removed the "Business" plan
Plan removed · Jun 3, 2026
Grammarly
Grammarly removed the "Premium" plan
Plan removed · May 30, 2026
Grammarly
Grammarly updated "Business" from $15/mo to Custom
Price change · May 30, 2026
Grammarly
Grammarly added a new "Pro" plan at $30/user/mo
Plan added · May 30, 2026
Grammarly
Grammarly removed the "Pro" plan
Plan removed · May 21, 2026
Frequently Asked Questions
Related Comparisons
ChatGPTFree · from $7/mo
GrammarlyFree · from $30/moSources & Data Trail · ChatGPT
- 1.Official Pricing Page·Source of verified tiers(Checked: 2026-07-02)
- 2.Official Website·Official vendor website
- 3.G2·G2 verified reviews · 4.7/5 · 2,268 reviews
- 4.Capterra·Capterra verified reviews · 4.6/5
- 5.TrustRadius·TrustRadius verified reviews
Sources & Data Trail · Grammarly
- 1.Official Pricing Page·Source of verified tiers(Checked: 2026-06-28)
- 2.Official Website·Official vendor website
- 3.G2·G2 verified reviews · 4.7/5 · 13,700 reviews
- 4.Capterra·Capterra verified reviews · 4.7/5
- 5.TrustRadius·TrustRadius verified reviews
- 6.PeerSpot·PeerSpot enterprise peer reviews