Humanize AI text with Ghost Mini or Ghost Pro — sentence-level rewrites, adjustable intensity, and a built-in deep scanner that shows exactly what gets flagged.
StealthWriter was founded in 2023 by Maher Mansour and operates under parent company AiVantage LLC, headquartered in Dubai, UAE. The platform entered the AI humanizer space with a clearly differentiated approach: two humanization models (Ghost Mini and Ghost Pro), a 1-to-10 adjustable rewrite intensity scale, and a built-in Deep Scan detector that highlights flagged sentences in color-coded detail before and after humanization.
As of April 7, 2026, the platform pushed its latest update — bug fixes, AI detector improvements, and humanization model enhancements — signaling active ongoing development. The tool is positioned at writers, students, and content creators who need transparent, granular control over their humanization output rather than a single-button black-box approach.
StealthWriter's architecture centers on two distinct model tiers. Ghost Mini is the faster, lighter rewriting model available on all plans including free — suited for basic AI detection bypass where processing speed matters more than depth.
Ghost Pro is the advanced model available on paid plans (20 daily runs on Basic, 50 on Standard, unlimited on Premium) and delivers significantly deeper linguistic restructuring for stricter detectors like Turnitin and GPTZero.
The rewrite intensity slider runs from 1 to 10, giving you precise control over how aggressively the humanizer restructures each sentence — lower settings preserve more of the original phrasing, higher settings produce maximum departure from detectable AI patterns.
Deep Scan performs sentence-by-sentence analysis with color-coded highlights, showing exactly which sentences remain flagged after humanization rather than returning a single document-level score.
Alternative Rewrites lets you click any individual sentence and choose from multiple rewritten versions, enabling true voice-level customization of the final output. The built-in AI Detector claims 99.8% accuracy and scans output instantly without requiring an external tool. A content Generator is included on all paid plans for drafting original content directly from the platform.
Writers and content marketers who process moderate volumes of AI-assisted content and want sentence-level control over humanization output get the most from StealthWriter — the alternative rewrites and intensity slider make it one of the most manually configurable humanizers on the market.
Students and researchers on a budget start with the free plan's 10 daily Ghost Mini runs to test bypass quality on shorter texts before upgrading. Professional content creators and agencies who need Ghost Pro's deeper bypass quality at volume will need the Premium plan at $50/month for unlimited Ghost Pro runs and 5,000-word-per-input processing.
Users who want to understand exactly which sentences are still at risk — rather than just receiving a rewritten document — benefit from the Deep Scan's visual flagging approach.
StealthWriter's free plan — 10 daily Ghost Mini humanizations, 1,000 words per input, built-in detector — is one of the more functional free tiers in the humanizer market because it resets daily rather than monthly, giving consistent but limited daily access rather than a hard monthly ceiling.
The Basic plan at $20/month unlocks unlimited Ghost Mini runs and 20 daily Ghost Pro runs with 2,000-word inputs. Standard at $35/month raises Ghost Pro to 50 daily runs and 3,000-word inputs. Premium at $50/month removes all Ghost Pro limits with 5,000-word-per-input processing.
The key limitation to understand: independent testing of Ghost Mini has produced mixed results against GPTZero and Turnitin specifically.
Ghost Pro performs meaningfully better in testing, but full Ghost Pro access requires the $50/month Premium plan. For users who need reliable advanced detector bypass at volume, the investment is justified — but trialing Ghost Mini on the free plan first will set accurate expectations about upgrade necessity.
StealthWriter is an AI humanizer platform founded in 2023 by Maher Mansour, operated by AiVantage LLC in Dubai, UAE. It offers two humanization models — Ghost Mini (fast, lightweight, free tier) and Ghost Pro (deep linguistic restructuring, paid plans) — with a 1-to-10 adjustable intensity scale, sentence-level alternative rewrites, a built-in Deep Scan detector with color-coded highlights, and a content generator.
It is designed for writers, students, and content teams who need granular, sentence-level control over AI humanization rather than a single-click black-box output.
• Ghost Mini Model — The fast, lightweight humanization model available on all plans including free; suited for quick AI detection bypass on basic detectors, with 10 daily runs on the free plan and unlimited runs on all paid plans.
• Ghost Pro Model — The advanced deep-restructuring model available on paid plans (20 daily runs on Basic, 50 on Standard, unlimited on Premium); delivers significantly stronger bypass performance against strict detectors like Turnitin and GPTZero compared to Ghost Mini.
• 1-to-10 Adjustable Rewrite Intensity — A granular intensity slider that controls how aggressively the humanizer restructures text; lower settings preserve original phrasing, higher settings maximize departure from detectable AI writing patterns — giving writers precise control not found in most competitors.
• Deep Scan with Sentence-Level Color Coding — Performs sentence-by-sentence analysis before and after humanization, highlighting exactly which sentences remain flagged and at what AI probability level — more interpretable than a single document-level percentage.
• Alternative Rewrites — Click any individual sentence in the humanized output to select from multiple AI-generated rewritten alternatives; enables voice-level manual customization of the final text without a complete re-run.
• Built-in AI Detector (99.8% Claimed Accuracy) — Scans submitted and humanized text instantly against major AI detectors without switching to an external platform; results display alongside the humanized output in the same workflow.
• Content Generator — Available on all paid plans; drafts original content from prompts directly within the StealthWriter platform, combining generation and humanization in one tool.
• Multiple Style and Tone Presets — Allows users to select output tone (formal, conversational, academic) before humanization, adapting the rewrite to fit the intended audience and content context.
StealthWriter is best suited for writers who want maximum manual control over humanization output at the sentence level, and who are willing to use Ghost Pro for reliable advanced detector bypass.
• Freelance writers and content marketers processing moderate daily volumes — use the adjustable intensity slider and alternative rewrites to fine-tune output to match their voice, and the built-in detector to verify quality before delivering to clients.
• Students and researchers on a budget — use the daily-resetting free plan (10 Ghost Mini runs, 1,000-word inputs) to process assignments in daily batches; Ghost Mini produces acceptable results on basic detectors while Ghost Pro delivers deeper bypass for Turnitin-level scrutiny on paid plans.
• Writers who want sentence-level humanization transparency — use the Deep Scan color-coded highlights and alternative rewrites to understand exactly which parts of a document need more aggressive rewriting, rather than accepting a black-box full-document output.
• Content creators drafting and humanizing in one workflow — use the Generator tool on paid plans to draft content from prompts and immediately humanize it within the same platform, eliminating the need to switch between separate tools.
• Users testing before committing — start with the free plan's daily Ghost Mini runs to benchmark output quality against your most important detectors before upgrading to Ghost Pro for advanced bypass.
StealthWriter's most differentiating features are its dual-model architecture, 10-point intensity control, and sentence-level alternative rewrites — giving users output customization depth that single-mode humanizers cannot match.
• Dual-Model Architecture (Ghost Mini + Ghost Pro) — Most AI humanizers offer a single engine with preset intensity modes; StealthWriter separates fast lightweight processing (Ghost Mini) from deep linguistic restructuring (Ghost Pro) into two distinct models with separate daily run limits, giving users a transparent quality-to-speed trade-off rather than a hidden backend toggle.
• 1-to-10 Adjustable Rewrite Intensity — No other major AI humanizer offers ten granular intensity steps; competitors like BypassGPT offer 3 modes and Undetectable AI offers 5 writing levels, but StealthWriter's 10-point scale gives writers the most precise control over how much original structure is preserved versus restructured.
• Alternative Rewrites at the Sentence Level — After humanization, clicking any individual sentence surfaces multiple alternative rewrites for that specific sentence only, enabling targeted voice corrections without triggering a full document re-run — a feature that saves significant time on documents with only a few persistent AI-flagged sections.
• Daily-Resetting Free Plan — Rather than a hard monthly word cap, StealthWriter's free plan resets 10 Ghost Mini humanizations every 24 hours, benefiting daily users who need consistent limited access without committing to a paid plan from day one.
• Deep Scan Color-Coded Sentence Highlights — Sentence-level AI probability color coding that updates both before and after humanization, showing exactly which sentences changed status after rewriting and giving writers a before-and-after diagnostic view that is more actionable than a single document percentage score.
StealthWriter is a pure web app with no native browser extensions, plugins, or APIs — all compatibility is browser-based and manual.
• Web App (stealthwriter.ai) — Fully browser-based, accessible on any modern desktop or mobile browser (Chrome, Firefox, Safari, Edge) without installation; text paste interface with instant Ghost Mini or Ghost Pro humanization, Deep Scan detection, and sentence-level alternative rewrites in a single dashboard.
• ChatGPT, Claude, Gemini, and Deepseek Output — StealthWriter is specifically designed and tested to process output from all major LLMs; no pre-formatting required before submitting AI-generated text from any source.
• GPTZero, Turnitin, Originality.ai, Copyleaks, and Content at Scale (Bypass Targets) — The platform's built-in detector and humanization models are calibrated against these major detection systems; Ghost Pro produces the most reliable bypass results against advanced detectors, while Ghost Mini performs best against basic and mid-tier tools.
• Google Docs and Microsoft Word (Manual Workflow) — No native plugin exists; users manually copy text from their document editor into the StealthWriter web app, apply humanization, and paste output back — a two-step manual workflow compatible with any text editor.
• Email and CMS Platforms (Manual Workflow) — No direct integration with Mailchimp, WordPress, HubSpot, or other platforms; all content must be processed in the web app and manually transferred to the destination publishing environment.
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StealthWriter is the most granularly configurable AI humanizer on the market in 2026 — its dual-model system, 10-point intensity scale, and sentence-level alternative rewrites give writers more manual control over output than any competitor at comparable price points. The free plan's daily-resetting Ghost Mini access is genuinely functional for consistent low-volume users.
The main trade-off is that reliable advanced detector bypass requires Ghost Pro, which is only unlimited on the $50/month Premium plan, and the absence of a Chrome Extension or API limits workflow automation for professional teams.
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