October 2026 review
Source texts
These are the 50 texts every humanizer received in the October 2026 review. Each one was written for this benchmark by one of 5 models and kept only if it landed between 364 and 997 words.
Humanizers received each text exactly as published here. Detectors received the same words with Markdown heading markers, bullet markers, and bold markers removed. Humanized outputs are not published.
GPT-6.1 Sol
| Text | Genre | Words | Prompt |
|---|---|---|---|
| sample_001 | argumentative essay | 683 | Write an argumentative essay on whether cities should ban private cars from their downtown cores. Use APA in-text citations. Keep it betw… |
| sample_006 | reflective essay | 755 | Write a nursing student's reflective essay on a difficult moment during a clinical placement, structured with Gibbs' reflective cycle. Ke… |
| sample_011 | lab report discussion | 493 | Write the discussion section of a biology lab report for an experiment measuring how temperature affects catalase activity, with results … |
| sample_016 | public health essay | 788 | Write a public health essay on the lessons learned from the COVID-19 vaccine rollout. Use APA in-text citations. Keep it between 650 and … |
| sample_021 | management essay | 610 | Write an essay applying Tuckman's stages of team development to a university group project. Keep it between 500 and 700 words. Reply with… |
| sample_026 | statistics explainer | 445 | Write a short explainer for undergraduates on what a p-value is and the most common ways people misinterpret it. Keep it between 350 and … |
| sample_031 | blog post | 732 | Write a blog post for beginners on budgeting with the 50/30/20 rule, with a worked example. Keep it between 600 and 800 words. Reply with… |
| sample_036 | company newsletter | 493 | Write a quarterly update newsletter to staff from the CEO of a 200-person software company that just finished a strong quarter. Keep it b… |
| sample_041 | scholarship essay | 522 | Write a scholarship essay about overcoming a significant personal challenge. Keep it between 400 and 600 words. Reply with only the finis… |
| sample_046 | health article | 694 | Write a health article on what the research says about intermittent fasting. Use APA in-text citations. Keep it between 550 and 750 words… |
Claude Sonnet 5.5
| Text | Genre | Words | Prompt |
|---|---|---|---|
| sample_002 | compare and contrast essay | 976 | Write a compare-and-contrast essay on Keynesian and monetarist responses to the 2008 financial crisis. Use APA in-text citations. Keep it… |
| sample_007 | business case study | 997 | Write a business case study analysis of Netflix's shift from DVD rentals to streaming, applying Porter's Five Forces. Use APA in-text cit… |
| sample_012 | political science essay | 808 | Write a political science essay evaluating the arguments for and against the U.S. Electoral College. Use APA in-text citations. Keep it b… |
| sample_017 | ethics essay | 802 | Write an essay on the ethical issues raised by police use of facial recognition technology. Use APA in-text citations. Keep it between 50… |
| sample_022 | healthcare ethics case analysis | 922 | Write a case analysis on informed consent involving an elderly patient with early dementia who refuses surgery. Use APA in-text citations… |
| sample_027 | supply chain case study | 725 | Write a case study on the supply chain lessons of the March 2021 Ever Given blockage of the Suez Canal. Keep it between 550 and 750 words… |
| sample_032 | blog post | 661 | Write a blog post with practical tips for better sleep hygiene. Keep it between 500 and 700 words. Reply with only the finished text, wit… |
| sample_037 | travel article | 835 | Write a travel article on how to spend three days in Lisbon. Keep it between 650 and 850 words. Reply with only the finished text, with n… |
| sample_042 | literature review | 994 | Write a literature review on mindfulness-based interventions for adult anxiety. Use APA in-text citations. Keep it between 800 and 1000 w… |
| sample_047 | discussion board post | 462 | Write a discussion board post for a bioethics class on whether CRISPR gene editing of human embryos should be allowed. Keep it between 30… |
Gemini 4 Argon
| Text | Genre | Words | Prompt |
|---|---|---|---|
| sample_003 | literary analysis | 665 | Write a literary analysis essay on how Jane Austen uses irony in Pride and Prejudice, with quotes from the novel. Keep it between 550 and… |
| sample_008 | science essay | 731 | Write an essay on the effects of microplastics on marine ecosystems for an environmental science class. Use APA in-text citations. Keep i… |
| sample_013 | marketing analysis | 751 | Write a SWOT analysis for a hypothetical plant-based snack startup called Sprout & Crunch entering the U.S. market. Keep it between 550 a… |
| sample_018 | policy brief | 648 | Write a policy brief for a state legislator on the likely effects of raising the minimum wage to $17 an hour. Keep it between 450 and 650… |
| sample_023 | technical explainer | 673 | Write an explainer on how lithium-ion batteries degrade over time and what slows that degradation. Keep it between 500 and 700 words. Rep… |
| sample_028 | climate policy essay | 956 | Write an essay comparing a carbon tax with a cap-and-trade system as tools for cutting emissions. Use APA in-text citations. Keep it betw… |
| sample_033 | cover letter | 366 | Write a cover letter for a junior data analyst position at a mid-sized logistics company, from a recent economics graduate. Keep it betwe… |
| sample_038 | op-ed | 662 | Write an op-ed arguing that public libraries matter more than ever. Keep it between 500 and 700 words. Reply with only the finished text,… |
| sample_043 | history essay | 715 | Write a history essay on how the printing press changed Europe after Gutenberg. Keep it between 500 and 700 words. Reply with only the fi… |
| sample_048 | technical blog post | 730 | Write a blog post introducing REST APIs to non-developers. Keep it between 500 and 700 words. Reply with only the finished text, with no … |
Grok 4.7
| Text | Genre | Words | Prompt |
|---|---|---|---|
| sample_004 | history essay | 797 | Write a history essay explaining the main causes of World War I using the MAIN framework (militarism, alliances, imperialism, nationalism… |
| sample_009 | sociology essay | 551 | Write a sociology essay on the relationship between social media use and adolescent mental health. Use APA in-text citations. Keep it bet… |
| sample_014 | discussion board post | 364 | Write a discussion board post for an education course answering: How can teachers use differentiated instruction in a mixed-ability class… |
| sample_019 | art history essay | 557 | Write an art history essay on how Impressionism changed European painting, mentioning Monet, Renoir, and Degas. Keep it between 400 and 6… |
| sample_024 | linguistics essay | 551 | Write a linguistics essay on why bilingual speakers code-switch. Use APA in-text citations. Keep it between 400 and 600 words. Reply with… |
| sample_029 | human resources report | 683 | Write a short report for HR leadership on how remote work affects employee productivity. Use APA in-text citations. Keep it between 500 a… |
| sample_034 | personal statement | 742 | Write a personal statement for a master's program in public policy from an applicant who worked two years at a city housing nonprofit. Ke… |
| sample_039 | LinkedIn article | 595 | Write a LinkedIn article on lessons learned from a first year as a people manager. Keep it between 450 and 650 words. Reply with only the… |
| sample_044 | book review | 814 | Write a book review of Yuval Noah Harari's Sapiens: A Brief History of Humankind. Keep it between 550 and 750 words. Reply with only the … |
| sample_049 | economics essay | 768 | Write an essay on whether hosting the Olympic Games is worth the cost for host cities. Use APA in-text citations. Keep it between 650 and… |
DeepSeek V4.1 Flash
| Text | Genre | Words | Prompt |
|---|---|---|---|
| sample_005 | psychology essay | 542 | Write a psychology essay explaining cognitive dissonance theory, including Festinger and Carlsmith's 1959 experiment. Use APA in-text cit… |
| sample_010 | philosophy essay | 661 | Write a philosophy essay comparing how utilitarianism and Kantian deontology would handle the crash decisions of a self-driving car. Keep… |
| sample_015 | criminal justice essay | 736 | Write an essay on the effectiveness of restorative justice programs compared with traditional sentencing. Use APA in-text citations. Keep… |
| sample_020 | film analysis | 621 | Write a film analysis essay on how cinematography and set design express class conflict in Bong Joon-ho's Parasite (2019). Keep it betwee… |
| sample_025 | anthropology essay | 524 | Write an anthropology essay on rites of passage, drawing on Arnold van Gennep's three stages. Keep it between 450 and 650 words. Reply wi… |
| sample_030 | literary analysis | 550 | Write a literary analysis of the symbolism of the green light in F. Scott Fitzgerald's The Great Gatsby. Keep it between 450 and 650 word… |
| sample_035 | product launch post | 375 | Write a product launch blog post for the Halcyon One, a hypothetical pair of noise-cancelling headphones with 40-hour battery life. Keep … |
| sample_040 | grant proposal summary | 633 | Write the project summary section of a grant proposal for a community garden in a low-income neighborhood. Keep it between 500 and 700 wo… |
| sample_045 | economics explainer | 627 | Write an explainer on how the Federal Reserve sets interest rates and how those decisions reach ordinary borrowers. Keep it between 600 a… |
| sample_050 | reflection | 474 | Write a personal reflection on what a student learned from a semester volunteering at a food bank. Keep it between 350 and 550 words. Rep… |
source-texts.csv is the file the review was scored from. SHA-256 ae28a51cec25560fb8520aeb444e0f78cc69ec8311de21725dbca8df58e90349.