ERNIE Bot
BaiduChina
15
Baidu's flagship assistant, now on open-weight ERNIE models.
- Version
- 5.0
- Cost
- Pay-as-you-go API pricing with select free trial skills/components. Ernie 5.0 at 0.006-0.01 RMB per 1k input tokens.
- Model
- DeepSeek-V3.1
Grammarly
Grammarly · #21 most active of 27 in Writing
Grammar, tone and generative rewriting across browser, desktop and mobile.
67
Trust score · Mixed
3 data points checked · 2026-11-02
Current version
Pro
Entry cost
Free tier · from $12/mo
Changes / 30d
0
The short answers
- What is the latest version of Grammarly?
- The current shipped version of Grammarly is Pro.
- How much does Grammarly cost?
- Grammarly starts at $12 per month on its cheapest paid tier.
- What AI model does Grammarly use?
- Grammarly runs primarily on In-house NLP models.
Source: Grammarly — support.grammarly.com · Reusable under CC BY 4.0 — cite Tomorrow
Capabilities
- Grammar and tone
- Generative rewriting
- Plagiarism detection
- AI detection
- Docs editor
- Grammar Checker
- Plagiarism Checker
- AI Detector
- AI Chat
- AI Humanizer
- Paraphrasing Tool
- Citation Generator
- Tone Detector
- Snippets
- Analytics Dashboard
- Style Guide
- AI Writing Assistant
- Sentence Rewriter
- Analytics
- Translator
- Resume Builder
- Tone Suggestions
- Analytics dashboard
- Brand tones
- AI Assistant
- Brand Tones
- AI assistant
- Style guide
- AI Writing Tools
- AI agents
- Tone suggestions
- Full-sentence rewrites
- Full-Sentence Rewrites
- AI Writer
- Word Counter
- AI writing assistant
- Generative AI prompts
Pricing
Free
Write without spelling and grammar mistakes, generate text with 100 AI prompts.
Free
Pro
Achieve goals with clear/confident writing, 2,000 AI prompts, plagiarism detection, tone adjustments.
$12
Enterprise
Proactive AI, dedicated support, security controls, BYOK encryption.
Free
Entry price over time
11 of 31 points reconstructed from Internet Archive captures (hollow dots) — dated by capture, not by when we first saw the page. View a capture
Geek mode
Models under the hood
- inferred
Grammarly AI
Grammarly
- inferred
Grammarly AI Assistant
Grammarly
- unknown
Grammarly ML
Grammarly
- inferred
Grammarly Proprietary AI
Grammarly
- inferred
Grammarly proprietary ML/AI
Grammarly
- disclosed
In-house NLP models
Grammarly
- unknown
Undisclosed frontier LLM
Provider undisclosed
Context window
Not published
Public API
yes
Multi-model routing
no
Stack signals
- Browser extension
- Native desktop
Shared model stack
Other tracked products running on the same foundation models — a quick read on how much of the catalog moves when one of these models changes.
- Undisclosed frontier LLMProvider undisclosed · 9 products
- Grammarly AIGrammarly · 1 product
- Grammarly AI AssistantGrammarly · 1 product
- Grammarly MLGrammarly · 1 product
- Grammarly Proprietary AIGrammarly · 1 product
- Grammarly proprietary ML/AIGrammarly · 1 product
- In-house NLP modelsGrammarly · 1 product
green disclosed · amber inferred · grey unattributed. Aliases are folded into one model; provider concentration counts only models with an established vendor.
Reported scale
Reference data. Each figure is whatever the source actually said — weekly users, downloads, revenue run-rate — with its own definition and date. These are not comparable between tools and are never used to rank anything.
- Vendor stated
Daily active users
40M
daily users
as of Jan 2025·Grammarly about page ·disclosed
Also in Writing
All WritingJasper
Jasper
13
Brand-consistent marketing copy
- Version
- Jasper Platform
- Cost
- Free tier · from $69/mo
- Model
- ChatGPT
Claude
Anthropic
12
Assistant for long-form and analysis
- Version
- 5.5
- Cost
- Free tier · from $17/mo
- Model
- Claude Fable 5
Hunyuan
TencentChina
12
Tencent's multimodal model family and assistant.
- Version
- Hunyuan
- Cost
- Free trial quota of 1M tokens. Pay-as-you-go pricing applies afterward.
- Model
- Hunyuan-a13b
DeepSeek
DeepSeekChina
11
Open-weight reasoning models at a fraction of frontier pricing.
- Version
- DeepSeek-V4.1-Flash-1017
- Cost
- Pay-as-you-go API pricing (not fully detailed in text). Free tier or flat-rate seats not specified.
- Model
- deepseek-flash
Grok
xAI
11
Frontier assistant with real-time X data and heavy reasoning modes.
- Version
- Grok 4.7
- Cost
- from $2/mo
- Model
- grok-4.5
Elsewhere on the same models
Products in other segments that name one of Grammarly's models in their stack.
OpenEvidence
OpenEvidence
Medical answers with citations
- Version
- 2026 platform
- Cost
- Free for verified clinicians
- Model
- Undisclosed frontier LLM
Change history
- model
Grammarly added Grammarly proprietary ML/AI to its model stack
Grammarly AI, Grammarly AI Assistant, Grammarly ML, Grammarly Proprietary AI, In-house NLP models, Undisclosed frontier LLMGrammarly AI, Grammarly AI Assistant, Grammarly ML, Grammarly Proprietary AI, Grammarly proprietary ML/AI, In-house NLP models, Undisclosed frontier LLM
source - capability
- capability
- capability
- capability
- capability
- version
- capability
New capabilities: Tone suggestions, Full-sentence rewrites
30 tracked32 tracked · +Tone suggestions, Full-sentence rewrites
source - capability
- model
Grammarly added Grammarly ML to its model stack
Grammarly AI, Grammarly AI Assistant, Grammarly Proprietary AI, In-house NLP models, Undisclosed frontier LLMGrammarly AI, Grammarly AI Assistant, Grammarly ML, Grammarly Proprietary AI, In-house NLP models, Undisclosed frontier LLM
source - capability
- capability
- capability
- capability
New capabilities: Analytics dashboard, Brand tones
22 tracked24 tracked · +Analytics dashboard, Brand tones
source - capability
- model
Grammarly added Grammarly AI Assistant to its model stack
Grammarly AI, Grammarly Proprietary AI, In-house NLP models, Undisclosed frontier LLMGrammarly AI, Grammarly AI Assistant, Grammarly Proprietary AI, In-house NLP models, Undisclosed frontier LLM
source - capability
- model
Grammarly added Grammarly AI to its model stack
Grammarly Proprietary AI, In-house NLP models, Undisclosed frontier LLMGrammarly AI, Grammarly Proprietary AI, In-house NLP models, Undisclosed frontier LLM
source - capability
- capability
- model
Grammarly added Grammarly Proprietary AI to its model stack
In-house NLP models, Undisclosed frontier LLMGrammarly Proprietary AI, In-house NLP models, Undisclosed frontier LLM
source - capability
- capability
Added an AI detection feature to the Pro plan
Grammar and tone, Generative rewritingGrammar and tone, Generative rewriting, AI detection
source - version
- capability
New capabilities: Citation Generator, Essay Checker, Analytics
7 tracked10 tracked · +Citation Generator, Essay Checker, Analytics
source - capability
- capability
New capabilities: Essay Checker, Style Guide, Analytics
8 tracked12 tracked · +Essay Checker, Style Guide, Analytics, Brand Tones
source - capability
New capabilities: Plagiarism Checker, Tone Detector, Style guide
8 tracked14 tracked · +Plagiarism Checker, Tone Detector, Style guide, Brand tones, Analytics dashboard, SAML SSO
source - capability
New capabilities: Spelling Checker, Punctuation Checker, Tone Adjustments
6 tracked12 tracked · +Spelling Checker, Punctuation Checker, Tone Adjustments, Plagiarism Detection, Style Guide, Analytics Dashboard
source - capability
New capabilities: Grammar Checker, Plagiarism Checker, Tone Detector
9 tracked14 tracked · +Grammar Checker, Plagiarism Checker, Tone Detector, Snippets, SAML SSO
source - capability
New capabilities: Grammar checker, Spelling checker, Punctuation checker
6 tracked15 tracked · +Grammar checker, Spelling checker, Punctuation checker, Clarity-focused rewrites, Tone adjustments, Plagiarism detection, Style guide, Browser extensions, Desktop apps
source - capability
New capabilities: Grammar Checker, Plagiarism Checker, Tone Detector
7 tracked13 tracked · +Grammar Checker, Plagiarism Checker, Tone Detector, Style Guide, Browser Extensions, Native Apps
source - version
- capability
New capabilities: grammar checker, spelling checker, punctuation checker
6 tracked13 tracked · +grammar checker, spelling checker, punctuation checker, tone detector, plagiarism detector, browser extension, desktop app
source - capability
New capabilities: Style guide, Admin panel, Single sign-on
8 tracked11 tracked · +Style guide, Admin panel, Single sign-on
source - capability
New capabilities: MS Word and Outlook add-in, Native apps, Keyboard iOS and Android
8 tracked11 tracked · +MS Word and Outlook add-in, Native apps, Keyboard iOS and Android
source
Grammarly compared
Straight head-to-head pages against the busiest products in Writing.
How to cite this page
Free to cite and reuse under CC BY 4.0. Permalink: https://tomorrow.aliensquad.ai/tools/grammarly
APA
Tomorrow. (2026). Grammarly — version, pricing and model stack [Data set entry]. AlienSquad. Retrieved 2026-11-08, from https://tomorrow.aliensquad.ai/tools/grammarly
BibTeX
@misc{tomorrow-tools-grammarly,
author = {{Tomorrow}},
title = {Grammarly — version, pricing and model stack},
year = {2026},
publisher = {AlienSquad},
howpublished = {\url{https://tomorrow.aliensquad.ai/tools/grammarly}},
note = {Accessed: 2026-11-08}
}