WriteHuman, a better alternative to StealthGPT
Where WriteHuman leads StealthGPT
HumanizerBench is a public benchmark that re-tests every major AI humanizer each month. Each tool is paid for and run by hand on the same prompts, then scored against 6 major AI detectors on how human the output reads, how well it keeps the original meaning, and how cleanly it's written. Every prompt, output, and detector score is published.
Tested October 202630 samples420 tests6 AI detectors
| Metric | WriteHuman | StealthGPT |
|---|---|---|
AI-detector pass rate Share of checks where the output read as human-written, across all 6 AI detectors. | 88.8% | 88.1% |
Consistency How steady the scores stay across different kinds of writing. | 94.7% | 90.9% |
Quality penalties Points deducted from the overall score for quality issues like length inflation or meaning drift. Lower is worse. | No penalties | -3 pts |
AI-detector pass rate, by detector Share of checks on each detector where WriteHuman's output read as human-written. Showing detectors where WriteHuman scores higher. | ||
GPTZero | 99.5% | 94.8% |
Winston AI | 100.0% | 90.4% |
ZeroGPT | 89.5% | 77.3% |
Originality.ai | 100.0% | 96.3% |
Score by content type Benchmark score by writing category. Showing categories where WriteHuman scores higher. | ||
News articles | 99.2% | 99.0% |
Discussion posts | 93.2% | 88.0% |
Scoring methodology ↗See WriteHuman’s results on HumanizerBench ↗
See the actual outputs
The scores above come from real tests, not marketing claims. Here are unedited results from the October 2026 run: the same AI-generated text, humanized by each tool, shown side by side.
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Grow your own vegetables, one small step at a time
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Elevate your craft with the definitive standard in accuracy: our Precision-Milled Stainless-Steel Ruler. Engineered for professionals who refuse to compromise, this essential tool bridges the gap between workshop durability and micron-level exactness. Forged from premium, tempered stainless steel, this ruler resists corrosion, warping, and the relentless wear of daily use. Its edges are CNC-milled to…
Our Precision-Milled Stainless Steel Ruler is here, and it will change the game for anyone passionate about a craft. Traditionally, tools for workshops are extremely rugged, and measuring tools are designed to show case absolute precision. For the first time, you can have both in one tool.
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Each tool was run by hand and screen-recorded during the October 2026 run. The outputs are then scored programmatically against 6 major AI detectors, and every input, output, and detector score is published on GitHub. Watch the unedited humanization sessions (video opens in a new tab):
WriteHuman vs StealthGPT in 60 seconds
The headline differences. Detailed analysis below.
- Starting price
- $20/mo Basic, free version with no signup
- Free tier
- Yes. Humanize for free with no signup
- Standout
- Ranked #1 of 14 in the October 2026 HumanizerBench cycle with zero quality penalties, ahead of StealthGPT on GPTZero, Winston AI, ZeroGPT, and Originality.ai, with a built-in detector in the same view as the humanizer
- Starting price
- $34.50/mo Essential
- Free tier
- No free tier. Trial access has been inconsistent
- Watch for
- Took 3 points of quality penalties in the same cycle and scored 77.3% on ZeroGPT, with a daily-use cap on every plan below the $499.50 Enterprise tier
Bottom line: WriteHuman is the cleaner pick and the cheaper one. In the October 2026 benchmark it took zero quality penalties to StealthGPT's 3 points and led it on GPTZero, Winston AI, ZeroGPT, and Originality.ai, and the no-signup free version lets you test quality before committing, while StealthGPT charges $34.50/mo with a daily request cap.
Benchmark results
WriteHuman took zero quality penalties. StealthGPT took three points.
HumanizerBench is a public monthly benchmark of AI humanizers. It pays for every tool, runs each one by hand on the same prompts, and publishes its inputs, outputs, and detector scores so the results can be checked. The October 2026 cycle ran 420 tests across fourteen humanizers and six AI detectors, with Pangram's newest model joining the panel. It also got stricter: each output's detector score is now the average of all six verdicts instead of the median, so a tool has to get past every detector to post a high pass rate.
WriteHuman ranked first of fourteen for the fourth cycle in a row, tested on its entry-level Basic plan. StealthGPT, tested on its Essential plan, finished a close second. Where the two separate is how cleanly they got there. The benchmark docks points for quality problems in the output, and 10 of the 14 tools were penalized this cycle, StealthGPT included at 3 points. WriteHuman took none, which made it the highest-ranked tool to finish with a clean record.
StealthGPT
StealthGPT's quality penalties in the October 2026 HumanizerBench cycle.
WriteHuman
WriteHuman's quality penalties in the same cycle, the highest-ranked of the 14 tools to finish clean.
Detector results
Ahead of StealthGPT on GPTZero, Winston AI, ZeroGPT, and Originality.ai
Head to head in the October 2026 cycle, WriteHuman outscored StealthGPT on GPTZero, Winston AI, ZeroGPT, and Originality.ai, the checkers clients and editors tend to reach for first. On Winston AI it was 100.0% against StealthGPT's 90.4%. On Originality.ai, 100.0% against 96.3%. On GPTZero, 99.5% against 94.8%. On ZeroGPT, 89.5% against 77.3%, the widest gap of the four.
Three of those scores were the best in the whole benchmark: WriteHuman posted the highest GPTZero, Winston AI, and Originality.ai scores of all fourteen humanizers tested. Its built-in AI detector is tuned to closely match the major checkers, and it sits in the same view as the humanizer, so you can see roughly where a passage will land before you publish it rather than finding out on someone else's checker.
StealthGPT
StealthGPT's Winston AI score in the October 2026 cycle.
WriteHuman
WriteHuman's Winston AI score in the same cycle, the highest of the 14 humanizers tested.
Consistency
Steadier from one format to the next
The benchmark breaks results down by what you are actually writing, then measures how steady each tool stays across those formats. WriteHuman scored 94.7% on consistency against StealthGPT's 90.9%. On discussion posts the gap was wider still: 93.2% for WriteHuman against StealthGPT's 88.0%.
Put that next to a clean penalty record and you get a tool you can paste almost anything into, rather than one that leaves you guessing which formats it happens to handle well.
StealthGPT
StealthGPT's consistency score across content types in the October 2026 cycle.
WriteHuman
WriteHuman's consistency score in the same cycle.
Pricing
StealthGPT starts at $34.50/mo. WriteHuman starts at $20
StealthGPT's pricing page lists four tiers: Essential at $34.50/mo, Pro at $30/mo (marked Most Popular), Business at $100.50/mo, and Enterprise at $499.50/mo. There is no permanent free tier. Access is gated behind a signup, and trial availability has been inconsistent across review sites in 2025 and 2026.
WriteHuman starts at $20/mo for Basic, $29/mo for Pro, and $59/mo for Ultra, and the humanizer is free to use on smaller passages with no signup at all. For most writers and creators, that means you can validate output quality before paying anything.
StealthGPT
StealthGPT Essential, the cheapest paid tier.
WriteHuman
WriteHuman Basic, with a free version to try first.
Source: stealthgpt.ai pricing, May 2026
Quality
Outside reviews are mixed on StealthGPT
StealthGPT's marketing claims it produces output that scores well on every major AI detector, including Turnitin. Outside reviews from 2025 and 2026 tell a different story. Long-form reviewers consistently report that StealthGPT output gets flagged by Turnitin, even when the tool's own in-app checker reports the same passage as 'human.' AIDetectPlus called StealthGPT "by far the worst humanizer I tried," describing the output as gibberish you cannot actually submit.
There is also a recurring quality complaint in the same reviews: grammar slips, awkward phrasing, and the occasional incoherent sentence on longer drafts. Reviewers warn against trusting the built-in score in isolation.
WriteHuman took zero quality penalties in the October 2026 HumanizerBench cycle, and its built-in detector is tuned to closely match what external tools will report, so you can check a passage yourself instead of trusting a vanity score.
StealthGPT
A 2025 outside reviewer described StealthGPT output as gibberish you cannot actually submit, with frequent grammar and coherence issues.
WriteHuman
WriteHuman's built-in detector sits beside the humanizer and is tuned to closely match external checkers, so you see the score before anyone else does.
Source: AIDetectPlus review, 2025
Daily caps
Every paid plan below Enterprise has a daily request limit
Essential users get 50 humanization requests per day. Pro gets 100. Business gets 500. Only the $499.50/mo Enterprise plan is unlimited. For a heavy week of client revisions or content batches, that ceiling is real, and you cannot lift it without jumping tiers.
WriteHuman has no daily-request cap on paid plans. Ultra is unlimited at $59/mo, so you can iterate as much as you want without watching a counter tick down.
StealthGPT
Daily request cap on the $34.50/mo Essential plan.
WriteHuman
WriteHuman Ultra at $59/mo has no daily cap.
Source: stealthgpt.ai pricing, May 2026
Pricing optics
Displayed as daily, billed monthly. The real cost stacks up fast.
StealthGPT's pricing page shows every plan as a daily rate. Essential is $1.15/day. Pro is $1.00/day. Business is $3.35/day. Enterprise is $16.65/day. The numbers feel small because they are framed against a day, but there is no daily plan. You pay monthly. Multiply by 30 and the actual bill is $34.50, $30, $100.50, or $499.50 a month. Over a year, the cheapest StealthGPT plan costs $414 and you are still capped at 50 humanizations per day.
WriteHuman is displayed and billed the same way. Basic is $20 a month, or $144 a year. Pro is $29 a month. Ultra is $59 a month and unlimited. No daily-rate sleight of hand, no upsell to Enterprise just to escape a cap, and you can try the humanizer for free before paying anything.
StealthGPT
How StealthGPT advertises Essential on its pricing page. The actual charge is $34.50/mo.
WriteHuman
WriteHuman Basic, the real monthly price you pay, with no daily-display framing.
Source: stealthgpt.ai/pricing, May 2026
Pricing: WriteHuman vs StealthGPT
Side-by-side plans. WriteHuman's free tier is on the homepage. No signup needed.
Free
$0
Try the humanizer with daily limits, no signup
- No credit card
- Daily request cap
- Built-in AI detector access
Basic
$20/mo
80 humanizations / month, up to 600 words each
- 2 output variations
- 160 AI detector checks / mo
- Cancel anytime
Pro
$29/mo
200 humanizations / month, up to 1,200 words each
- 3 output variations
- 400 AI detector checks / mo
- Priority support
Ultra
$59/mo
Unlimited humanizations, up to 3,000 words each
- 5 output variations
- Unlimited AI detector checks
- Priority support
Essential
$34.50/mo
50 daily uses, 1,000 words per request
- AI Humanizer, AI Detector, History, In-text Citations
- 500+ languages, file uploads (.doc, .txt)
- No API access, no team seats
Pro
$30.00/mo
100 daily uses, 1,500 words per request
- Everything in Essential plus priority support
- 3 team seats
- Marked "Most Popular"
Business
$100.50/mo
500 daily uses, 2,000 words per request
- Stealth API access
- 5 team seats
- Priority support
Enterprise
$499.50/mo
Unlimited daily uses, 3,000 words per request
- Full API access
- 10 team seats
- Dedicated support
Pricing verified as of . For the latest StealthGPT pricing, see stealthgpt.ai.
Feature Comparison
See how WriteHuman stacks up against StealthGPT, feature by feature.
What real StealthGPT users are saying
Quotes pulled from public reviews on Reddit, Trustpilot, G2, and Product Hunt.
“Trying to cancel was a nightmare. There's nowhere obvious to delete your account, so I had to block the payment with my bank to stop the charges.”
“StealthGPT was by far the worst humanizer I tried. It produces gibberish you cannot actually submit.”
“Long-form output of 2,000 words or more suffers meaning drift, and longer essays come back with more AI flags than shorter ones, the opposite of what you'd want from a tool marketed at content creators.”
Why writers pick WriteHuman
The everyday reasons writers switch to WriteHuman from StealthGPT.
Pick WriteHuman if…
- You want the tool that ranked #1 of 14 in the October 2026 benchmark with zero quality penalties.
- You want to test the humanizer for free before paying anything.
- You write client work, newsletters, or discussion posts and want a clean one-paste workflow.
- You want a flat monthly plan from $20/mo, with Ultra at $59/mo if you need unlimited.
- You want the built-in detector to give you an honest score, not a vanity score.
- You want a humanizer that led StealthGPT on GPTZero, Winston AI, ZeroGPT, and Originality.ai in the same benchmark.
Why users switch from StealthGPT
Real pain points StealthGPT users run into, and how WriteHuman solves each one.
StealthGPT
Scored 90.4% on Winston AI in the October 2026 HumanizerBench cycle, against WriteHuman's 100.0%.
WriteHuman
WriteHuman scored 100.0% on Winston AI, the highest of the 14 humanizers tested, on its entry-level Basic plan.
StealthGPT
Scored 77.3% on ZeroGPT, 94.8% on GPTZero, and 96.3% on Originality.ai in the same cycle, behind WriteHuman on all three.
WriteHuman
WriteHuman posted 89.5% on ZeroGPT and 99.5% on GPTZero, the top GPTZero score in the benchmark, plus 100.0% on Originality.ai.
StealthGPT
Less consistent across content types in that cycle: 90.9% against WriteHuman's 94.7%, and 88.0% on discussion posts against 93.2%.
WriteHuman
WriteHuman scored 94.7% on consistency and 93.2% on discussion posts, so results hold when the format changes.
StealthGPT
No real free tier. You have to sign up and commit to a paid plan to evaluate quality.
WriteHuman
Try the WriteHuman humanizer with no account and no card on file.
StealthGPT
Daily-use cap (50 to 500 requests) on every plan below Enterprise creates artificial scarcity.
WriteHuman
No daily-request cap on paid plans, and Ultra at $59/mo is genuinely unlimited.
StealthGPT
Outside 2026 tests show output still flagged by Turnitin (86%).
WriteHuman
WriteHuman is tuned to closely match GPTZero and Originality.ai scores each release.
StealthGPT
Grammar and coherence degrade on longer documents, per multiple outside reviews.
WriteHuman
WriteHuman took zero quality penalties in the October 2026 benchmark, the highest-ranked of the 14 tools to finish clean. StealthGPT took 3 points.
StealthGPT
In-app detector tends to over-report "human" relative to external tools.
WriteHuman
Built-in detector tuned to closely match GPTZero, Originality.ai, Copyleaks, and ZeroGPT.
StealthGPT
Pricing displayed as daily rates ($1.15/day) masks the real $34.50/mo charge.
WriteHuman
Pricing displayed and billed monthly. $20/mo Basic, $144/yr. No daily-rate framing.
Frequently asked: WriteHuman vs StealthGPT
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