AI writing assistant for academic papers integrated into Microsoft Word
AI writing tools to detect, humanize, rewrite and check grammar
Stage
Not given
Startup
Founded
Not given
2026
Based in
DE
GB
Pricing model
Freemium
Freemium
Pricing
Not given
Free: unlimited AI Detector, 3 daily uses on writing tools, 5 of 9 humanizer modes, 5 of 8 rewriter tones. Starter $9.99/mo (or $7.99/mo annually): 30K words/month, every humanizer and rewriter mode, 500 words per process. Pro $19.99/mo (or $15.99/mo annually): 100K words/month, no per-request word
Key features
Search over 20 million scientific papers using natural language queries
Upload and chat with PDFs up to 1,000 pages per document
AI-powered sentence and paragraph completion in Word with source citations
Deep Review evaluation against nine university grading criteria
Automatic APA 7 citation formatting
Cross-document PDF search within entire project library
Connector integration with Claude and ChatGPT
Own-sources-only mode restricting generation to personal documents
Available on macOS, Windows, and Web App
Unlimited free AI detector with no daily limit or signup required
AI Humanizer with 9 writing modes including Standard, Academic, Blog, Formal, and Simple
Statistical detection engine that processes text on own servers with no third-party sharing
AI Rewriter with 8 different tones
Grammar Checker tool included in all plans
Chrome Extension for in-browser humanizing and detection
Brand Voice feature for maintaining consistent tone across 1-3 voices depending on plan
Re-humanize function to generate genuinely different drafts at higher variation
What makes it different
Integrated directly into Microsoft Word workflow without switching applications
Prevents plagiarism by automatically inserting citations and suggesting paraphrasing
Specifically optimized for academic writing using custom language models
Evaluates work against actual university grading criteria with specific improvement suggestions
All work remains private and never used for model training
Unlimited free AI detector with no daily limits, while competitors limit guests to 3 scans per day
Published accuracy rates with measured false-positive and false-negative rates instead of unverifiable claims
Integrated detect-then-fix workflow keeping flagged drafts in one tool instead of switching between products
Privacy-first approach with AI Detector processing text on own servers with no third-party access
Browser-first start with no extension setup or account creation required before first use
fastwrite
Coda One