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SwapDraft vs Opsis

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

SwapDraft compared with Opsis
DetailSwapDraft logo SwapDraftOpsis logo Opsis
What it doesFix AI writing fast 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: 100 credits at sign-up, topped up by 40 every week, 2 models per rewrite, 4 fast models including GPT-6 Luna, articles up to 6,000 words. Pro: $19 per month, 1,500 credits every month, up to 5 models per rewrite, all 9 models including Claude Sonnet 5.5 and Grok 4.7, articles up to 15,000 word Not given
Key features
  • Mark passages and add notes about what's wrong
  • Flip through rewrites from multiple AI models at once
  • Choose from 9 AI models including GPT-6 Luna, Claude Sonnet, and Grok
  • Preserve undo history and original drafts
  • Support for TipTap-based editors and built-in document editor
  • No need for personal API keys
  • Credit-based pricing with transparent cost estimates
  • Handle articles up to 6,000 words on Free plan or 15,000 on Pro
  • Access 2 models on Free plan or up to 5 on Pro plan
  • 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
  • Never leave your editor—rewrites happen in-place without copy-paste
  • Only the passages you mark change; the rest of your draft stays exactly as written
  • Compare rewrites from multiple AI models side by side in one click
  • Free plan with 100 credits and weekly top-ups, no card required
  • Preserves full undo history even after accepting rewrites
  • 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)4 +1 (up) since last check4 no change since last check
Trust Flow (Majestic)30
Citation Flow (Majestic)912
Referring domains (Majestic)21

4 details filled in for both companies.

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