Overview

WriteHuman aims to make AI-generated writing read more naturally while retaining its meaning and voice. It accepts text from ChatGPT, Claude, Gemini, Grok, DeepSeek, and other AI writing tools, and supports more than 40 languages. Its listed uses span articles, blog posts, marketing copy, emails, landing pages, newsletters, and reports, making it relevant to varied content workflows.

The central trade-off is reliability: the company warns that a rewrite can change meaning and detection results can be inaccurate. It does not guarantee a particular detector score or outcome. That makes WriteHuman a poor fit when preserving every nuance or meeting a specific detection threshold is essential.

Key features

Humanizing and detection

The detector assigns an AI probability to each sentence, which gives writers a more granular view than a single passage-level result. Paid humanizer plans provide multiple output variations, useful when a first rewrite misses the desired voice. Neither tool should be treated as definitive: review revised text for meaning and do not rely on a particular detection result.

Mobile and browser tools

The mobile app combines an AI humanizer with AI writing and image detectors. Each tool includes five free uses on a rolling 30-day allowance, a small but useful way to try all three before committing. The Chrome extension adds grammar and spelling checks, inline fixes, a personal dictionary, site-by-site controls, and a humanizer in a side panel. It is the more practical fit for writers who want assistance in the browser rather than moving drafts between separate tools.

API, MCP, and privacy

Developers can use a REST API, with paid plans also offering MCP access subject to plan limits. API tiers set monthly word quotas, per-call word limits, output counts, and request rates, so the right option depends on expected throughput. WriteHuman says submissions are encrypted in transit with TLS and at rest with AES-256, and are not sold or shared with advertisers. Its terms also say services use its own AI models and may use third-party models and services.

Pricing

WriteHuman is freemium, but its subscription prices conflict across the pricing page: plan cards show annual-billing rates while a comparison table gives monthly rates. The annual plan cards show Basic at $12/mo ($144 billed yearly), Pro at $19/mo ($228 billed yearly), and Ultra at $39/mo ($468 billed yearly); the comparison table shows monthly Basic at $20/mo, Pro at $29/mo, and Ultra at $59/mo. Confirm the billing term and amount before subscribing.

Plan	Price	Limits and inclusions
Free	0.00 USD per free	3 humanizer requests/month, 250 words/request, 1 variation, 10 detection checks/month, and 10 image scans/month.
Basic (annual)	$12/mo, billed annually ($144 billed yearly)	80 requests/month, 600 words/request, 2 variations, enhanced model, and AI detection checks.
Pro (annual)	$19/mo, billed annually ($228 billed yearly)	200 requests/month, 1,200 words/request, 3 variations, enhanced model, and MCP access.
Ultra (annual)	$39/mo, billed annually ($468 billed yearly)	Unlimited requests, 3,000 words/request, 5 variations, and MCP access (1,000/month).
Basic	$20.00 USD per month	80 requests/month, 600 words/request, 2 variations, 160 detection checks/month, and 80 image scans/month.
Pro	$29.00 USD per month	200 requests/month, 1,200 words/request, 3 variations, 400 detection checks/month, and 200 image scans/month.
Ultra	$59.00 USD per month	Unlimited requests, 3,000 words/request, 5 variations, and unlimited detection checks and image scans.
Standard API	$29.00 USD per month	125K words/month, 2,000 words/call, 1 output/request, and 40 requests/min.
Premium 400K API	$69.00 USD per month	400K words/month, 4,000 words/call, 3 outputs/request, and 120 requests/min.
Premium 800K API	$129.00 USD per month	800K words/month, 6,000 words/call, 3 outputs/request, and 160 requests/min.

Free is best for occasional, short rewrites and light checking; three 250-word requests and ten checks of each listed type make it a trial-sized allowance, not a regular publishing workflow. Basic raises the humanizer quota to 80 monthly requests but retains a 600-word cap per request. Pro doubles that request allowance and raises the cap to 1,200 words, while adding more variations; it suits heavier individual use. Ultra removes the monthly request ceiling and allows 3,000 words per request, though its annual card still caps MCP access at 1,000 per month. The monthly comparison tiers include explicit detection and image-scan quotas, while the annual card summaries do not state those counts. Paid subscription plan cards list priority support; Enterprise API offers dedicated support, with custom pricing.

The API tiers are aimed at different integration volumes: Standard allows 125K words monthly and one output per call, while the two Premium tiers increase both quota and request rate, and allow three outputs. These are less suitable when usage is unpredictable or exceeds the monthly word allocation. No seat counts are given, so team suitability should not be inferred from the individual plan quotas.

Platforms

WriteHuman is available on web, Android, iOS, through a Chrome extension, and via API. That range supports both direct writing workflows and integrations, but each channel has different usage limits and capabilities.

Who it's for

Marketers, freelancers, professionals, content creators, and agencies can use WriteHuman to revise AI drafts across common content formats. The extension is useful for browser-based editing, while the API and MCP options suit developers integrating rewriting into other workflows. It is less appropriate for anyone who needs guaranteed meaning preservation, a dependable detector verdict, or a clearly unambiguous subscription price before purchase.

Pros and cons

Pros: Supports 40-plus languages and multiple content types, giving users flexibility across languages and channels.
Pros: Sentence-level detection, mobile text and image tools, and a capable Chrome extension extend the service beyond rewriting.
Pros: API plans spell out word, call, output, and rate limits, which helps developers match capacity to expected use.
Cons: Rewrite meaning and detector accuracy are not guaranteed, limiting its usefulness for high-stakes or score-dependent work.
Cons: The pricing page presents different annual and monthly prices, complicating plan comparison.
Cons: Free use is tightly capped at three short humanizer requests each month, so it cannot support sustained drafting.

Alternatives

For a broader comparison, browse AI Text Humanizers.

StealthWriter is another freemium option, with a free allowance of 10 humanizations and 10 AI scans per day, a 1,000-word input limit, and Android, iOS, and web access.
Humanize AI may suit users who want a web and API option with 1,500 free words per month and a 300-word check limit.
HumanizeAI.io is worth considering for its free overall word allowance, though free requests without signup return tomorrow and each request has a limited word count.
Ryne AI offers a free Amethyst plan with 100 coins and a 250-word humanization limit per go.
Rephrasy may appeal to users seeking a paid option with a $8.25 per month Growth plan billed at $99 yearly, 100 monthly humanizations, and a Chrome extension.
Humbot is another freemium choice, with a $7.99 per year Basic plan and a 500-word input limit.
AIHumanize offers a $12.00 USD per month Basic plan with up to 500 words per request and monthly humanizer and detector word quotas.
HumanizerAI may suit users who want API access on a $10.00 USD per month Starter plan, alongside a 10,000-word monthly quota and an AI detector.

Verdict

WriteHuman is a sensible choice for creators who want rewriting, sentence-level detection, and browser or mobile tools in one service, with API plans for integration work. Its strongest case is the breadth of those tools across platforms and content types. Look elsewhere if faithful preservation or dependable detection results are central, and verify the subscription price and billing term before choosing a paid plan.

	StealthGPT	WriteHuman
Free plan	No	Yes
Free trial	No	No
Paid from	—	$1/mo
Open source	No	No
Platforms	Web, iOS	Android, api, extension, iOS, Web
Free plan	No	Yes
AI detector included	Yes	Yes
API access	Yes	Yes
Paid from	—	12 /mo
Plagiarism checker	—	No

StealthGPT vs WriteHuman

StealthGPT

WriteHuman