Skip to the shop floor

fastwrite vs AI Sidekick

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

fastwrite compared with AI Sidekick
Detailfastwrite logo fastwriteAI Sidekick logo AI Sidekick
What it doesAI writing assistant for academic papers integrated into Microsoft Word Turn one piece of content into a week of posts
StageNot given Not given
FoundedNot given Not given
Based inDE Not given
Pricing modelFreemium Freemium
PricingNot given Free: $0 with 5 repurposings/month and all 7 output formats. Sidekick Basic: $9/mo with 50 repurposings/month and all 7 output formats. Sidekick Pro: $29/mo with unlimited repurposings, priority support, and new formats first.
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
  • Turn one piece of content into 8 platform-ready posts
  • Twitter threads, LinkedIn posts, TikTok scripts, emails, Reddit threads, Instagram captions, and quote graphics
  • Optional X account connection for audience-tuned output
  • No account linking required to start
  • Results in under 30 seconds
  • Built with fidelity guardrails to catch meaning-distorting errors
  • Free tier includes 5 repurposings per month
  • No credit card required for free trial
  • Paste in, get output back without complex prompts
  • No AI experience needed to use
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
  • No setup required and no account linking necessary to start
  • Results generated in under 30 seconds
  • Output adapts to your real audience when X account is connected
  • Built with fidelity guardrails to preserve meaning
  • Supports 8 output formats from a single input
Community votes00
DR (Domain Rating by Ahrefs)15 +1 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)170
Citation Flow (Majestic)270
Referring domains (Majestic)1530

4 details filled in for both companies.

More alternatives to fastwrite More alternatives to AI Sidekick

Support