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Stealth Writer vs Opsis

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

Stealth Writer compared with Opsis
DetailStealth Writer logo Stealth WriterOpsis logo Opsis
What it doesGenerate semantically rich content with precision. Autocomplete and AI assistant for Mac and Windows, built on a private account of your work
StageNot given Startup
FoundedNot given 2026
Based inNot given AU
Pricing modelFreemium Freemium
PricingFree plan: 20 daily credits (10,000 words daily) for 30 days with no credit card required. Paid plans available but specific pricing details not listed on accessible pages. Not given
Key features
  • Article Visualizer - generate on-topic visuals and charts matched to content sections
  • Information Gain Signals - add unique insights and angles competitors miss
  • Autocomplete with Tab to accept drafts
  • Error detection and fact-checking
  • Cross-app integration
  • Source attribution for every suggestion
  • Context-aware AI assistance
  • One-click pause and privacy control
  • Encrypted data storage
  • Read-only app connections
  • Natural writing style matching
What makes it different
  • Semantic depth and entity integration - automatically enriches content with SERP-derived semantic terms and entities for topical authority
  • Information Gain Engine - surfaces rare data and unique angles from deep web sources ignored by competitors
  • AI-generated visuals - produces professional, designer-quality images automatically matched to article sections
  • Natural-sounding content - humanizes AI output to pass detection tools while maintaining authenticity
  • Fully hands-free automation - semantic terms, entities, and optimization happen automatically
  • Finishes sentences from your actual work history and connected files, not generic AI
  • Shows source for every suggestion so you can verify it before accepting
  • Catches mistakes and contradictions between what you're writing and your work history
  • Works inline in the apps you already use without installation
  • You stay the author with full control over what gets written
Community votes00
DR (Domain Rating by Ahrefs)1 +1 (up) since last check4 no change since last check
Trust Flow (Majestic)10
Citation Flow (Majestic)912
Referring domains (Majestic)261

4 details filled in for both companies.

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