AI Humanizer Benchmark

WriteHuman

AI humanizer · writehuman.ai

In the October 2026 cycle, WriteHuman placed #7 of 11 with an overall score of 75.06/100. AI Humanizer Benchmark tests WriteHuman independently. The overall score weights bypass rate at 42%, meaning preservation at 32%, readability at 16% and consistency across categories at 10%, then subtracts any penalties.

75.06/100
overall score
97.6%
bypass rate
33/33
tests completed
1.07×
avg. length vs. input
Last tested
Sample size
33
Methodology
v1.1.0

Detector bypass rates

Average human-likelihood each detector gave this tool's outputs, shown as a percentage.

GPTZero
100.0
Originality.ai
99.8
Grammarly
95.9
Winston AI
94.8
Copyleaks
93.9
ZeroGPT
92.7
QuillBot
92.5

Performance by category

The overall-score formula applied within each category, before penalties.

Academic essayApplication essayBlog postBusiness emailMarketing copyDiscussion boardNews article

Output quality

Meaning preservation is the rescaled embedding cosine similarity between input and output. Readability is a language model's rating of clarity, fluency and naturalness. Consistency shows how evenly bypass results hold across writing categories. The published data lists each value for every test.

Meaning
53.2/100
#11 of 11 · field avg 70.6
Readability
71.4/100
#9 of 11 · field avg 75.5
Consistency
96.0/100
#4 of 11 · field avg 89.6

Penalties

  • Meaning drift × 4−4.0
  • Total−4.0 pts
Meaning drift · 4 testsShow tests

The meaning similarity between input and output fell below 0.85. The rewrite no longer says what the input said.

  • How-to blog Blog post
    Similarity 0.755 < 0.85
    Show input and output
    Input · 284 words
    # How to Ask for a Promotion After a Big Project Ships **Timing Matters** Wait 2-4 weeks after project launch to request a meeting. This allows you to assess results and gives stakeholders distance to evaluate impact objectively. Avoid asking immediately—you'll appear opportunistic rather than strategic. **Document Your Impact** Gather concrete metrics: revenue generated, costs saved, user adoption rates, or efficiency improvements. Quantify your contributions clearly. Note leadership moments, mentorship provided, and how you solved critical problems. This isn't bragging—it's evidence. **Prepare a Clear Narrative** Articulate what you did beyond your job description. Explain how the project expanded your responsibilities and capabilities. Connect your growth to the next level's requirements. Show that you've already been performing at a higher level. **Schedule Strategically** Request a dedicated meeting with your manager—don't ambush them. Email should be direct: "I'd like to discuss my career growth and contributions. Do you have 30 minutes this week?" This signals professionalism and gives them time to prepare. **During the Conversation** Lead with appreciation for opportunities you've received. Present your accomplishments without defensiveness. Be specific: "The project shipped on time under budget, and I led the cross-functional coordination." Ask directly: "Based on my contributions, I believe I'm ready for promotion to [position]. What are your thoughts?" **Listen to Feedback** Your manager may say yes, outline next steps, or identify gaps. If they hesitate, ask what's needed: "What would help me get there?" Take notes and create an action plan. **Follow Up** If the answer is no, schedule a 90-day check-in. Continue demonstrating value and addressing feedback. If yes, confirm details in writing. Remember: asking for promotion isn't entitlement—it's advocating for fair recognition of expanded contributions. Done professionally, it strengthens your career trajectory.
    Output · 318 words
    This article has been hidden because of these concerns: It covers topics about work, which aren't relevant to the majority of Wikihow readers. It attempts to teach readers how to do something that is highly contextual. With very little information, people won't be able to perform this skill in the real world. People learn and remember the gist of things better when taught through step-by-step procedures and bulleted lists. There is little practical use for this information. It is unclear. More than likely, people will need to read this multiple times in order to get a general idea about what the information is. It’s long for little to no value. It’s vague. Lead with saying Thank You for the opportunities you have been given. Be ready to speak about your accomplishments. Provide details. “I led the project management of the initiative and helped align the various work streams to successfully launch the solution within project scope and objective.” Be prepared to state your case for the promotion. “Given the above, I believe I have merit for consideration for promotion to the position of “x”.” Your manager may say they agree and provide their rationale and next steps. If they don’t say they agree and appear uncomfortable, that’s okay. You can ask them what you need to work on to reach your goal. “What is the most important thing that I need to work on to be able to do “x”? Take notes on their feedback and develop an action plan to address it. If they say they agree in the future, confirm next steps, and document them. Asking for a promotion is not bragging or showing that you think you are above your current role. This is to provide justification to your manager as to why you should be compensated at the same rate as your peers who perform similar work, and aligned to your organizations value stream.
    Detector scores for this run
  • Business email Business email
    Similarity 0.816 < 0.85
    Show input and output
    Input · 229 words
    Subject: Exciting New Commuter Benefit Program Hi Team, I'm thrilled to announce the launch of our new commuter benefit program, effective immediately. This initiative reflects our commitment to supporting your well-being and reducing your out-of-pocket transportation costs. **What's Included:** We now offer pre-tax commuter benefits for: - Public transit passes (bus, train, subway) - Bike-sharing memberships - Parking for bicycles at our facilities **How It Works:** Eligible employees can set aside pre-tax dollars for these commuting expenses, reducing your taxable income and saving approximately 25-30% on transportation costs. There's a monthly contribution limit set by federal regulations, which will be outlined in the enrollment materials. **How to Enroll:** Details and enrollment instructions have been sent to your email. You can sign up through our benefits portal. Open enrollment begins tomorrow and runs for two weeks. Please complete your election by [specific date]. **Questions?** Our HR team will host two information sessions this week—details are in your inbox. You can also reach out directly at [HR email] with any questions. **Why This Matters:** Whether you're using public transit, cycling, or a combination, this benefit makes commuting more affordable while supporting our sustainability goals. We're investing in programs that enhance your quality of life. Thank you for your continued dedication to our organization. We look forward to seeing many of you take advantage of this new benefit. Best regards, [Your Name]
    Output · 204 words
    We are giving you the opportunity to save money on your transit expenses by offering a commuting benefit. The company will provide this benefit through payroll deductions and will not reimburse you for expenses. The company will help employees save money on the following commuter benefits: 1. Public transportation 2. Bike sharing 3. Parking for bicycles The company will give you the opportunity to reduce your taxable income by allowing you to set aside income to pay for these commuting benefits. Because the company will deduct the money from your income before it is taxed, you will save 25-30% of the after tax cost of commuting. The company will limit the amount you can save per month. The company will tell you how to enroll to use this benefit. Enrollment will begin on (date) and continue for 2 weeks. If you do not enroll to use the benefit, you will not be able to use it at a later date. If you have questions about this benefit, you can contact (HR email) or attend an information session offered by the HR team this week. The company believes this benefit will help you save money on transportation and help you commuting using more sustainable methods.
    Detector scores for this run
  • Landing copy Marketing copy
    Similarity 0.822 < 0.85
    Show input and output
    Input · 279 words
    Build a savings habit that actually sticks. Meet your personal savings companion: a simple, motivating SaaS platform designed to help you save consistently—without spreadsheets, guilt, or complicated budgeting systems. Set a goal, choose a schedule, and let the platform turn your intention into a repeatable routine. Whether you’re building an emergency fund, planning a vacation, paying for a wedding, or finally creating financial breathing room, you’ll always know what to save next and why it matters. Create flexible saving plans around your real life. Start small with weekly deposits, increase contributions when your income grows, or pause when unexpected expenses come up. Smart reminders keep your goal visible, while progress tracking turns every contribution into proof that you’re moving forward. See your savings momentum at a glance. Clear dashboards show your current balance, upcoming contributions, goal timelines, and milestones worth celebrating. Instead of wondering where your money went, you can watch your future take shape—one consistent action at a time. Need extra accountability? Personalized nudges help you stay on track before a missed contribution becomes a broken habit. Gentle prompts, streak tracking, and milestone celebrations make saving feel rewarding rather than restrictive. There’s no need to overhaul your entire financial life. Start with one goal. One amount. One scheduled habit. Our platform helps you build confidence through consistency, so saving becomes something you do automatically—not something you keep meaning to do. Your goals deserve more than good intentions. Give them a system. Start building your savings habit today. Set up your first goal in minutes, create a schedule that works for you, and make steady progress toward the life you want. Small deposits add up. Consistent habits change everything.
    Output · 322 words
    A saving habit you'll actually stick to. Sometimes saving needs a little positive reinforcement. Say goodbye to budgets and hello to a friendly saving companion that will help you focus on your goals and save automatically. Turn saving into a habit. Choose how often and how much you want to save. Based on your goal, get reminders about your motivation. Customize your plan based on your income and the times that you need to save the most. Make a goal to save for something special. Put your mind at ease by saving for the unexpected. Saving should be something that you plan for, and something that you look forward to. Make saving a part of your routine. Momentum is everything when saving. That’s why we created easy to read dashboards that show you your account balance, upcoming deposits, your goal progress, and other important dates. With us, you’ll never be in the dark about your money. Plus, we help you visualize your financial future. For a lot of people saving money is restricting, but not us! We help you save money by giving you positive reinforcement and helping you maintain the habit of saving by giving you reminders and telling you when you’ve saved money for a long time. You can change your financial future, and we are here to help you. We are here to help you build positive financial habits that you will maintain for a long time, and give you the peace of mind that saving is no longer a daunting task. We all know what it’s like to have good intentions. We are here to give your good intentions a direction. We know saving can seem overwhelming, but don’t worry, we will have you setting and saving toward your goals in less than 20 minutes! Saving can really help give you the lifestyle you want and deserve, and with us you can gain control of your financial future.
    Detector scores for this run
  • Product description Marketing copy
    Similarity 0.827 < 0.85
    Show input and output
    Input · 129 words
    Output: Crafted for the road ahead, our Waxed Canvas Tool Roll keeps essentials organized and protected. Made from rugged, water-resistant waxed canvas, it stands up to the elements and the rigors of your ride. Unroll it flat to reveal multiple dedicated pockets, perfectly sized for your multi-tool, tire levers, spare tube, and patch kit. Each pocket is designed for quick access and secure storage, preventing annoying rattling on rough terrain. The compact roll design slips easily into a saddlebag, backpack, or even straps directly to your frame (straps not included). Its durable construction ensures years of reliable service, developing a beautiful, character-rich patina with every adventure. Say goodbye to fumbling through a messy kit and hello to an organized, accessible, and trail-ready setup with our waxed canvas tool roll.
    Output · 154 words
    Our Waxed Canvas Tool Roll is built using rugged, water-resistant, waxed canvas to protect and house your bike tools. The Tool Roll features multiple pockets to house a variety of tools and to prevent those tools from making an annoying rattle while riding. Each pocket is secure to prevent loss of tools while riding over various terrain. The Waxed Canvas Tool Roll is designed to be carried a variety of ways. It can be rolled up and carried in a backpack or saddle bag or carried by frame using the straps (not included). Its design ensures that it will retain its shape while developing a patina from the multitude of adventures it accompanies you on. The Tool Roll is designed to eliminate the need to search through a disorganized tool kit to locate tools. It gives you peace of mind knowing tools are secure and conveniently stored to be accessed at a moments notice.
    Detector scores for this run

These points come off the overall score. How penalties work

Evidence: every WriteHuman run

Each row is one October 2026 prompt that WriteHuman rewrote, with a dot for each of the 7 detectors. Green means the detector judged the rewrite human. Red means it scored the rewrite as AI. An empty circle means no score came back.

Download all 33 rows (.jsonl)

30 of 33 outputs passed all 7 detectors. The other 3 got an AI verdict from at least one detector or are missing a score.

#PromptInput modelGPTZeroWinston AIOriginality.aiZeroGPTGrammarlyQuillBotCopyleaksMedian
01Argumentative essayAcademic essayGemini 2.5 Flash1.00
02Lit reviewAcademic essayClaude Sonnet 51.00
03Cover letterApplication essayGPT-5.6 Luna0.31
04Personal statementApplication essayGemini 3.5 Flash1.00
05How-to blogBlog postClaude Haiku 4.51.00
06Listicle blogBlog postGPT-5.6 Terra1.00
07Business emailBusiness emailGemini 2.5 Flash1.00
08Landing copyMarketing copyClaude Sonnet 51.00
09Product descriptionMarketing copyGPT-5.6 Luna1.00
10Discussion postDiscussion boardGemini 3.5 Flash1.00
11News articleNews articleClaude Haiku 4.51.00
12Argumentative essayAcademic essayGPT-5.6 Terra1.00
13Lit reviewAcademic essayGemini 2.5 Flash1.00
14Cover letterApplication essayClaude Sonnet 51.00
15Personal statementApplication essayGPT-5.6 Luna1.00
16How-to blogBlog postGemini 3.5 Flash1.00
17Listicle blogBlog postClaude Haiku 4.51.00
18Business emailBusiness emailGPT-5.6 Terra0.91
19Landing copyMarketing copyGemini 2.5 Flash1.00
20Product descriptionMarketing copyClaude Sonnet 51.00
21Discussion postDiscussion boardGPT-5.6 Luna1.00
22News articleNews articleGemini 3.5 Flash1.00
23Argumentative essayAcademic essayClaude Haiku 4.51.00
24Lit reviewAcademic essayGPT-5.6 Terra1.00
25Cover letterApplication essayGemini 2.5 Flash1.00
26Personal statementApplication essayClaude Sonnet 51.00
27How-to blogBlog postGPT-5.6 Luna1.00
28Listicle blogBlog postGemini 3.5 Flash1.00
29Business emailBusiness emailClaude Haiku 4.51.00
30Landing copyMarketing copyGPT-5.6 Terra1.00
31Product descriptionMarketing copyGemini 2.5 Flash1.00
32Discussion postDiscussion boardClaude Sonnet 51.00
33News articleNews articleGPT-5.6 Luna1.00
Detector rate (mean human-likelihood)100.094.899.892.795.992.5hardest93.9
Runs passed33/3331/3333/3333/3332/3331/3331/33

Each detector's result is converted to a human-likelihood score between 0 and 1. A score of 0 means the detector is sure the text is AI. A score of 1 means it is sure the text is human. Dots are green at 0.50 or above and red below. Hover a dot to see its exact score. The 0.50 cut-off only sets the dot colors. A tool's bypass rate on the leaderboard takes the median of the 7 detector scores for each test, then averages those medians. That gives a continuous number, so it will not match the share of green dots. The same goes for each per-detector rate. It is the average of that detector's scores (the number detector pages rank by), not a count of green dots.

Score history

Overall score in every published cycle that included this tool.

255075100

Access

Starting price
$20.00/mo
Free tier
Yes
Public API
Yes (required for inclusion)

Lowest paid plan at the monthly rate, without any annual discount. Price does not affect the score.

How we tested

The tool rewrote 33 texts from 7 writing categories on its default settings. Then 7 independent AI detectors scored each output. Anyone can recompute every score from the published data.

Raw test data

Every input text from the October 2026 cycle, with this tool's rewrite, the settings used and each detector's score.

WriteHuman
33 rows · .jsonl

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