ChatGPT vs Quillbot

Side-by-side comparison of features, pricing, and ratings

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At a glance

DimensionChatGPTQuillbot
PricingFree tier + $20/mo PlusFree tier + $19.95/mo Premium
Primary functionConversational AI assistantParaphrasing & writing improvement
Key featuresVoice input, image generation, deep researchParaphrasing modes, grammar check, plagiarism checker
IntegrationsNone listedChrome, Word, mobile apps
Best forQuick human-like text responses, creativityPolishing existing text, academic writing
Not forStrict privacy, offline useLong-form content generation from scratch

If you need a versatile AI assistant that can generate content from scratch, answer questions, create images, and hold conversations, ChatGPT is the clear winner. However, if your primary goal is to improve existing writing—paraphrasing, grammar-checking, and avoiding plagiarism—QuillBot's specialized tools are more effective and affordable. Choose ChatGPT for creative brainstorming and broad tasks, QuillBot for polishing and academic integrity.

ChatGPT
ChatGPT

ChatGPT: AI assistant for writing, coding, image gen, and voice.

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Quillbot
Quillbot

AI writing suite for paraphrasing, grammar, and originality checks.

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Pricing
Freemium
Freemium
Plans
$0/mo
$0/mo
$20/mo
$200/mo
$0/mo
$10/mo (annual) / $19.95/mo monthly
Popularity
5.6k views
6.0k views
Skill Level
Beginner-friendly
Beginner-friendly
API Available
Platforms
WebMobileDesktopAPI
Web
Categories
💻 Code & Development✍️ Writing & Content🎨 Image Generation
✍️ Writing & Content
Features
GPT-5.5 Instant, Thinking, and Pro models
Text, image, and voice conversations
Voice conversations with video
Real-time web browsing (paid plans)
File upload support (images, PDFs, spreadsheets)
Code interpretation and execution
Deep research mode
Agent mode (Atlas)
Customizable instructions and memory
Projects, tasks, and custom GPTs
DALL·E image generation
Group chats and shareable links
Shopping mode
Mobile app (iOS, Android)
Desktop app (macOS, Windows)
Paraphrase text with multiple modes (Standard, Fluency, Formal, Creative, etc.)
Grammar and spelling checker with suggestions
AI detector to identify GPT-4 and Claude-generated text
Plagiarism checker against web sources
AI humanizer to make AI text sound natural
Summarizer to condense long articles
Translator supporting 30+ languages
Citation generator in APA, MLA, and Chicago styles
AI chat for brainstorming and writing assistance
AI image generator from text prompts
Presentation creator to build slide decks
ChatPDF for querying PDF documents
Background remover and AI image editor
Social media post writer for engaging posts
Cover letter generator for job applications
Integrations
Slack
Google Drive
Microsoft 365
GitHub
Linear
Figma
Canva
Spotify
Zapier
Chrome
Edge
Safari
Microsoft Word
iOS
Android
macOS
Windows

Feature-by-feature

ChatGPT excels as a general-purpose conversational AI: it supports voice input/output, image generation and upload, deep research mode, and retains context across chats. It can tailor responses based on past conversations and handle file uploads. QuillBot is a focused writing assistant: its paraphraser offers multiple modes (e.g., fluency, formal), it includes grammar and spell checking, an AI detector, plagiarism checker, summarizer, and citation generator. QuillBot also has an AI humanizer and an AI chat for brainstorming, plus niche tools like cover letter and social media post writers. While ChatGPT can paraphrase text, it lacks QuillBot's specialized modes and plagiarism detection. QuillBot's AI detector and humanizer directly address concerns about AI-written content, a feature ChatGPT does not offer. Both have image generation, but ChatGPT's DALL·E integration is more advanced. ChatGPT's deep research mode is unique for in-depth queries. For integrations, QuillBot supports Chrome, Edge, Safari, Word, macOS, Windows, Android, and iOS, giving it an edge in workflow embedding compared to ChatGPT's lack of listed integrations.

Pricing compared

Both tools operate on a freemium model. ChatGPT's free tier includes basic text chat and limited features; the Plus plan costs $20/month and adds priority access, faster responses, and advanced capabilities like image generation and deep research. QuillBot's free tier offers limited paraphrasing (250 words) and grammar checks; the Premium plan is $19.95/month (or $99.95/year) and unlocks unlimited words, all paraphrasing modes, plagiarism checker (up to 20 pages/month), AI detector, and summarizer. Both are similarly priced per month, but QuillBot's annual plan is significantly cheaper. For users who only need writing improvement, QuillBot offers better value. For comprehensive AI assistance, ChatGPT's Plus plan justifies the cost with broader features. Neither tool has a free trial for premium, but both have free tiers to test basic functionality.

Who should pick which

  • Student writing essays
    Pick: Quillbot

    QuillBot's paraphrasing, grammar check, plagiarism checker, and citation generator directly support academic writing integrity and improvement.

  • Content creator generating ideas
    Pick: ChatGPT

    ChatGPT's conversational brainstorming, image creation, and deep research mode help generate original content from scratch.

  • Non-native English professional
    Pick: Quillbot

    QuillBot's fluency mode and translator help polish emails and reports to native-level readability.

  • Researcher needing quick summaries
    Pick: ChatGPT

    ChatGPT's deep research mode can synthesize information from multiple sources, while QuillBot's summarizer is limited to text input.

  • Freelancer writing social media posts
    Pick: Quillbot

    QuillBot includes a dedicated social media post writer, making it quicker for that specific task.

Frequently Asked Questions

Which tool is better for paraphrasing?

QuillBot specializes in paraphrasing with multiple modes (e.g., fluency, formal) and is more effective than ChatGPT's basic rewrite capability.

Does ChatGPT have a plagiarism checker?

No, ChatGPT does not include a plagiarism checker; QuillBot does (up to 20 pages/month on Premium).

Can QuillBot generate images?

Yes, QuillBot has an AI image generator, but ChatGPT's image generation (via DALL·E) is more advanced.

Which tool is more affordable for premium features?

QuillBot's annual plan at $99.95/year is cheaper than ChatGPT's $20/month ($240/year). Monthly prices are similar (~$20).

Does ChatGPT maintain conversation history?

Yes, ChatGPT saves chat history and can tailor responses based on past conversations; QuillBot's AI chat does not have this feature.

Which tool is better for grammar checking?

Both have grammar checking, but QuillBot's is more robust with real-time suggestions and integration with Word and browsers.

Can I use QuillBot offline?

No, both tools require an internet connection.

Which tool is best for academic citations?

QuillBot has a dedicated citation generator in APA, MLA, and Chicago styles; ChatGPT does not have this feature.

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