Enterprise Writing Solution
Enterprise platform with custom dictionaries, brand voice settings, and compliance tools.
Q
QuillBot
AI paraphrasing tool for rewriting and improving text
📊 Rating Breakdown
✅ Pros
- Excellent paraphrasing with multiple modes
- Generous free tier
- Very affordable Pro plan
- Browser extension for easy access
- Summarizer is accurate
- Citation generator included
- Co-writer tool combines features
- Good for non-native English writers
❌ Cons
- Free tier limited to 125 words
- Some paraphrasing can sound unnatural
- Limited language support
- No plagiarism checker in free tier
- Some modes produce inconsistent quality
- Not as comprehensive as Grammarly
- Limited integrations
- Academic integrity concerns
🧠 Available Models
GPT-4o (QuillBot AI)
ProprietaryQuillBot uses GPT-4o for AI paraphrasing, grammar checking, plagiarism detection, summarization, citation generation, and multi-language translation.
Parameters: Not disclosed
Context: 128K tokens
📝 text
✅ Paraphrasing ✅ Summarization ✅ Citation generator ✅ Multi-language
Input: Free / Premium $4.17/month (annual)
Output: Included
🔌 API Availablevia QuillBot API
📜 Version History
2025
v4.5
2024
v4.0
Premium AI Suite
Premium suite with advanced AI writing assistance, team collaboration, and API access.
2023
v3.5
AI Detection & Tone
Added AI content detection to identify AI-generated text and tone analysis for writing adjustment.
2022
v3.0
Co-Writer & Browser Extension
Launched Co-Writer for integrated writing workflow and browser extension for web-wide use.
2021
v2.5
Citation Generator & Translator
Added citation generator in multiple formats and AI translation features.
2019
v2.0
Grammar Checker & Summarizer
Expanded to include grammar checking, text summarization, and plagiarism checker.
2017
v1.0
QuillBot Launch
QuillBot launched as an AI paraphrasing tool helping writers rephrase sentences while preserving meaning.