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FreemiumAI Detector

WriteHuman

WriteHuman is an AI humanizer and detector built for serious writing. Paste AI-generated text from ChatGPT, Claude, Gemini, Grok, DeepSeek or any other model and it rewrites the draft with varied sentence length, stronger word choice and conversational transitions, while keeping your original meaning intact. It supports 40-plus languages and ships a built-in AI detector, an AI image detector, a Chrome extension and mobile apps.

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What is WriteHuman?

WriteHuman is a web-based AI humanizer with a companion detector suite. Its core job is to take text produced by a large language model and restructure it so it reads like a person wrote it. The homepage describes the approach in terms of four signals the rewriter targets: template phrasing (filler such as "it is important to note" and "in today's fast-paced world"), predictable cadence (the same subject-verb-modifier beat under every paragraph), uniform sentence length (models clustering around fifteen to twenty-five words), and mechanical transitions ("furthermore", "moreover", "in conclusion"). The engine varies sentence length, swaps generic phrasing for stronger word choices, mixes long constructions with short declarative lines, and thins out overused connectors. The site states that the output keeps the original meaning intact, does not invent new ideas, and does not hide anything. It is not a content generator, not a plagiarism remover, and not a guarantee that a draft is factually correct. A September 16 update introduced an enhanced model tuned to hold up against GPTZero and Pangram, and the homepage shows the same meaning rendered as a different cadence: one nineteen-word AI sentence becoming two shorter humanized lines at seven and eighteen words. WriteHuman also publishes "human scores" from its own testing: 98% Copyleaks, 97% Turnitin, 97% ZeroGPT, 96% GPTZero, 96% Grammarly, 96% Winston AI, 95% Originality and 94% Pangram. Around the humanizer sit four supporting tools: an AI Detector that returns a per-sentence AI probability with three bands (under 40% reads human, 40 to 60% mixed signal, over 60% flagged), an AI Image Detector, a free Word Counter, and a Chrome extension that suggests spelling, grammar and style fixes in any tab. Mobile apps for iPhone, iPad and Android bundle the humanizer, AI detector and image detector, and start new users with five free humanizations. For developers there is a REST endpoint, POST /v1/humanize, with word-based pricing, 40-plus languages, an average response of about 20 seconds, up to 120 requests per minute on the premium tier, and code samples in JavaScript, Python and cURL, plus MCP access for connecting the tool to AI agents. WriteHuman frames itself as "the premium AI humanizer for serious writing" and says every plan includes full access to both the humanizer and the detector, with upgrades, downgrades and cancellation any time and no contracts. The company also publishes a research blog and a 2026 study of AI writing tells that underpins the four signals above, alongside comparison pages against rival humanizers such as HIX.AI, Walter Writes, StealthGPT, Phrasly AI and Humbot. Reported traction includes 7.5 million documents humanized, a 97.5% average human score, 4.6 out of 5 from 6,583 five-star Google Play reviews, 4.7 from 188 App Store ratings, 100K-plus downloads, and the number one spot on the HumanizerBench leaderboard for September 2026.

WriteHuman AI Detector product interface screenshot

WriteHuman Core Features

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AI Humanizer

Rewrites text from ChatGPT, Claude, Gemini, Grok, DeepSeek and other models into prose with varied sentence length, stronger word choice and natural cadence, keeping the original meaning.

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Enhanced Model

An updated humanization model released September 16, tuned to hold up against GPTZero and Pangram detection; available on every paid plan.

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Built-in AI Detector

Returns a per-sentence AI probability with three bands under 40% reads human, 40 to 60% is a mixed signal, and over 60% is flagged as AI.

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AI Image Detector

Scans images for signs of AI generation, with ten free scans a month on the free plan and unlimited scans on Ultra.

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Chrome Extension

Offers spelling, grammar and style suggestions on the sites you already write on and humanizes drafts from the browser side panel without switching tabs.

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Mobile Apps

iPhone, iPad and Android apps that bundle the humanizer, AI detector and image detector, with five free humanizations for new users and subscription sync.

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Developer API

A single POST /v1/humanize REST endpoint with word-based pricing, 40-plus languages, roughly 20-second average responses and JavaScript, Python and cURL examples.

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MCP Access

Connects WriteHuman to AI agents and MCP-compatible tools, starting on the Pro plan and capped at 1,000 calls a month on Ultra.

Who is WriteHuman for?

WriteHuman is built for people who draft with AI and still need the finished text to read like a person wrote it. The site names marketers and SEO writers first: teams producing content at volume who worry that AI-sounding copy gets devalued by search engines and drags rankings down. Agencies and freelancers use it on client deliverables, proposals and reports where a flat, machine-generated voice would undercut the work. Founders and product teams reach for it on landing pages, launch posts and changelogs. Bloggers, newsletter writers and content creators use it to keep a consistent published voice across long articles and short snippets. Professionals use it for business communications, emails, presentations and internal memos. Students and academics sit in the wider audience too, because the humanizer is positioned against detectors such as GPTZero, Turnitin, Copyleaks, Pangram, Winston AI and Originality.ai. Because every paid plan includes both the humanizer and the AI detector, the tool suits anyone who wants to write with AI and then check the result before publishing, rather than paying for two separate products. A free tier with three humanizations, 250 words per request and ten detection checks lets light users test the output quality before paying anything. Paid tiers scale by request volume and word ceiling: Basic for light users, Pro for most users, and Ultra for power users who get unlimited requests and up to 3,000 words at a time. Developers and content teams who run pipelines instead of one-off drafts are served separately by a REST API and MCP access, so the same engine can sit inside a CMS, a SaaS product or an AI agent workflow. In practice the dividing line is volume: anyone humanizing more than a handful of drafts a month will move onto a paid plan quickly, while occasional users can stay on the free tier. If humanizing is part of a daily publishing routine, the paid tiers remove the caps.

WriteHuman Use Cases

Humanize AI-drafted blog posts and articles before publishing them

Rewrite client deliverables so proposals and reports read naturally

Check drafts for AI signals with the built-in detector before hitting publish

Produce SEO content at volume that reads and ranks naturally

Humanize landing pages, launch posts and changelogs for product teams

Keep a consistent personal voice across newsletters and long-form posts

Humanize text at scale through the API inside a CMS or SaaS product

Connect the humanizer to AI agents through MCP for automated workflows

WriteHuman Pros and Cons

Pros

  • Every paid plan bundles the humanizer, AI detector and image detector, so there is no separate detector subscription to buy.
  • Free tier exists: three humanizations a month, 250 words per request, one variation, ten detection checks and ten image scans.
  • Wide integration surface - web app, Chrome extension, iPhone, iPad and Android apps, a documented REST API and MCP access.
  • Site reports 7.5M+ documents humanized, a 97.5% average human score and the number one spot on HumanizerBench for September 2026.
  • Annual billing cuts the monthly rate by roughly a third: Basic $12, Pro $19 and Ultra $39 per month, saving up to $240 a year.

Cons

  • The free plan is thin: three humanizer requests a month, a 250-word ceiling per request and basic rather than enhanced humanization quality.
  • Detector scores published on the site come from WriteHuman's own testing, not independent studies, so the Copyleaks, Turnitin and Pangram figures are vendor claims.
  • MCP access is missing from Free and Basic, and the developer API is priced separately on a per-word basis rather than included in any plan.

FAQ About WriteHuman

WriteHuman Pricing

FreemiumFrom USD 0.00

Freemium: a free plan with 3 humanizations a month and 250 words per request, then Basic, Pro and Ultra at $20, $29 and $59 per month, or $12, $19 and $39 per month when billed annually.

Check official pricing

Free

$0/month

3 humanizer requests a month, up to 250 words per request, 1 output variation, 10 detection checks, 10 image scans, basic humanization quality, no MCP access.

Basic

$20/month

80 requests a month, up to 600 words per request, 2 output variations, 160 detection checks, 80 image scans, enhanced model. $12/month billed annually ($144/year, saving $96).

Pro

$29/month

200 requests a month, up to 1,200 words per request, 3 output variations, 400 detection checks, 200 image scans, enhanced model, MCP access, priority support. $19/month billed annually ($228/year, saving $120).

Ultra

$59/month

Unlimited requests, up to 3,000 words per request, 5 output variations, unlimited detection checks and image scans, enhanced model, MCP access (1,000/month), priority support. $39/month billed annually ($468/year, saving $240).

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