{
 "run": "2026-11-14",
 "method": "Human: 10 passages (200-300 words, whole paragraphs) from each of 6 Project Gutenberg novels. AI: 6 prompts x 2 models on Cloudflare Workers AI. Scores = detector probability the text is AI; >0.5 counted as flagged. Short test: first 60 words of each text.",
 "detectors": [
  "openai-community/roberta-base-openai-detector",
  "Hello-SimpleAI/chatgpt-detector-roberta"
 ],
 "short_60_words": {
  "roberta-openai": {
   "human_flagged": "7/60",
   "ai_caught": "4/12"
  },
  "chatgpt-roberta": {
   "human_flagged": "1/60",
   "ai_caught": "5/12"
  }
 },
 "human": [
  {
   "id": "1342-0",
   "book": "Pride and Prejudice (Austen, 1813)",
   "words": 200,
   "start": "“She did indeed, Louisa. I could hardly keep my countenance.",
   "roberta-openai": 0.0009,
   "chatgpt-roberta": 0.0012
  },
  {
   "id": "1342-1",
   "book": "Pride and Prejudice (Austen, 1813)",
   "words": 230,
   "start": "To Catherine and Lydia neither the letter nor its writer wer",
   "roberta-openai": 0.0003,
   "chatgpt-roberta": 0.0005
  },
  {
   "id": "1342-2",
   "book": "Pride and Prejudice (Austen, 1813)",
   "words": 300,
   "start": "As Elizabeth had no longer any interest of her own to pursue",
   "roberta-openai": 0.0003,
   "chatgpt-roberta": 0.0005
  },
  {
   "id": "1342-3",
   "book": "Pride and Prejudice (Austen, 1813)",
   "words": 300,
   "start": "“If it is designedly done, they cannot be justified; but I h",
   "roberta-openai": 0.0003,
   "chatgpt-roberta": 0.001
  },
  {
   "id": "1342-4",
   "book": "Pride and Prejudice (Austen, 1813)",
   "words": 239,
   "start": "“You shall hear, then--but prepare for something very dreadf",
   "roberta-openai": 0.0086,
   "chatgpt-roberta": 0.0008
  },
  {
   "id": "1342-5",
   "book": "Pride and Prejudice (Austen, 1813)",
   "words": 200,
   "start": "It was the second week in May, in which the three young ladi",
   "roberta-openai": 0.0078,
   "chatgpt-roberta": 0.0029
  },
  {
   "id": "1342-6",
   "book": "Pride and Prejudice (Austen, 1813)",
   "words": 220,
   "start": "Elizabeth answered only by a slight bow. Her thoughts were i",
   "roberta-openai": 0.0002,
   "chatgpt-roberta": 0.001
  },
  {
   "id": "1342-7",
   "book": "Pride and Prejudice (Austen, 1813)",
   "words": 245,
   "start": "The whole party were in hopes of a letter from Mr. Bennet th",
   "roberta-openai": 0.0005,
   "chatgpt-roberta": 0.0004
  },
  {
   "id": "1342-8",
   "book": "Pride and Prejudice (Austen, 1813)",
   "words": 266,
   "start": "But the spiritless condition which this event threw her into",
   "roberta-openai": 0.0003,
   "chatgpt-roberta": 0.0012
  },
  {
   "id": "1342-9",
   "book": "Pride and Prejudice (Austen, 1813)",
   "words": 215,
   "start": "“You can _now_ have nothing further to say,” she resentfully",
   "roberta-openai": 0.0079,
   "chatgpt-roberta": 0.0004
  },
  {
   "id": "1260-0",
   "book": "Jane Eyre (C. Brontë, 1847)",
   "words": 204,
   "start": "As yet I had spoken to no one, nor did anybody seem to take ",
   "roberta-openai": 0.0002,
   "chatgpt-roberta": 0.0038
  },
  {
   "id": "1260-1",
   "book": "Jane Eyre (C. Brontë, 1847)",
   "words": 237,
   "start": "“Well, who is it?” she asked, in a voice and with a smile I ",
   "roberta-openai": 0.0002,
   "chatgpt-roberta": 0.0113
  },
  {
   "id": "1260-2",
   "book": "Jane Eyre (C. Brontë, 1847)",
   "words": 254,
   "start": "I did as I was bid, though I would much rather have remained",
   "roberta-openai": 0.0002,
   "chatgpt-roberta": 0.0004
  },
  {
   "id": "1260-3",
   "book": "Jane Eyre (C. Brontë, 1847)",
   "words": 293,
   "start": "Lady Lynn was a large and stout personage of about forty, ve",
   "roberta-openai": 0.0006,
   "chatgpt-roberta": 0.0004
  },
  {
   "id": "1260-4",
   "book": "Jane Eyre (C. Brontë, 1847)",
   "words": 222,
   "start": "“You thought! you thought! Yes, it makes me impatient to hea",
   "roberta-openai": 0.0079,
   "chatgpt-roberta": 0.0126
  },
  {
   "id": "1260-5",
   "book": "Jane Eyre (C. Brontë, 1847)",
   "words": 300,
   "start": "The vehemence of emotion, stirred by grief and love within m",
   "roberta-openai": 0.0006,
   "chatgpt-roberta": 0.0112
  },
  {
   "id": "1260-6",
   "book": "Jane Eyre (C. Brontë, 1847)",
   "words": 241,
   "start": "Mr. Rochester heard, but heeded not: he stood stubborn and r",
   "roberta-openai": 0.0002,
   "chatgpt-roberta": 0.001
  },
  {
   "id": "1260-7",
   "book": "Jane Eyre (C. Brontë, 1847)",
   "words": 210,
   "start": "Distrust, the very feeling I dreaded, appeared in Hannah’s f",
   "roberta-openai": 0.0002,
   "chatgpt-roberta": 0.0004
  },
  {
   "id": "1260-8",
   "book": "Jane Eyre (C. Brontë, 1847)",
   "words": 251,
   "start": "“You _are_ original,” said he, “and not timid. There is some",
   "roberta-openai": 0.0002,
   "chatgpt-roberta": 0.0004
  },
  {
   "id": "1260-9",
   "book": "Jane Eyre (C. Brontë, 1847)",
   "words": 200,
   "start": "Most bitterly he smiled—most decidedly he withdrew his hand ",
   "roberta-openai": 0.0003,
   "chatgpt-roberta": 0.0006
  },
  {
   "id": "84-0",
   "book": "Frankenstein (Shelley, 1818)",
   "words": 294,
   "start": "Natural philosophy is the genius that has regulated my fate;",
   "roberta-openai": 0.0002,
   "chatgpt-roberta": 0.0004
  },
  {
   "id": "84-1",
   "book": "Frankenstein (Shelley, 1818)",
   "words": 298,
   "start": "This was the commencement of a nervous fever which confined ",
   "roberta-openai": 0.0002,
   "chatgpt-roberta": 0.0004
  },
  {
   "id": "84-2",
   "book": "Frankenstein (Shelley, 1818)",
   "words": 271,
   "start": "This speech calmed me. I was firmly convinced in my own mind",
   "roberta-openai": 0.0002,
   "chatgpt-roberta": 0.0008
  },
  {
   "id": "84-3",
   "book": "Frankenstein (Shelley, 1818)",
   "words": 215,
   "start": "“Devil,” I exclaimed, “do you dare approach me? And do not y",
   "roberta-openai": 0.0006,
   "chatgpt-roberta": 0.1091
  },
  {
   "id": "84-4",
   "book": "Frankenstein (Shelley, 1818)",
   "words": 300,
   "start": "“These wonderful narrations inspired me with strange feeling",
   "roberta-openai": 0.0003,
   "chatgpt-roberta": 0.0005
  },
  {
   "id": "84-5",
   "book": "Frankenstein (Shelley, 1818)",
   "words": 263,
   "start": "“The sun rose; I heard the voices of men and knew that it wa",
   "roberta-openai": 0.019,
   "chatgpt-roberta": 0.0011
  },
  {
   "id": "84-6",
   "book": "Frankenstein (Shelley, 1818)",
   "words": 222,
   "start": "To England, therefore, I was bound, and it was understood th",
   "roberta-openai": 0.0002,
   "chatgpt-roberta": 0.0004
  },
  {
   "id": "84-7",
   "book": "Frankenstein (Shelley, 1818)",
   "words": 291,
   "start": "Almost spent, as I was, by fatigue and the dreadful suspense",
   "roberta-openai": 0.0003,
   "chatgpt-roberta": 0.003
  },
  {
   "id": "84-8",
   "book": "Frankenstein (Shelley, 1818)",
   "words": 245,
   "start": "“Yet I fear that the same feelings now exist that made you s",
   "roberta-openai": 0.0002,
   "chatgpt-roberta": 0.0032
  },
  {
   "id": "84-9",
   "book": "Frankenstein (Shelley, 1818)",
   "words": 300,
   "start": "I darted towards the spot from which the sound proceeded, bu",
   "roberta-openai": 0.0015,
   "chatgpt-roberta": 0.0005
  },
  {
   "id": "345-0",
   "book": "Dracula (Stoker, 1897)",
   "words": 200,
   "start": "“The Szgany has given me these, of which, though I know not ",
   "roberta-openai": 0.0002,
   "chatgpt-roberta": 0.4181
  },
  {
   "id": "345-1",
   "book": "Dracula (Stoker, 1897)",
   "words": 300,
   "start": "On 16 July mate reported in the morning that one of crew, Pe",
   "roberta-openai": 0.0002,
   "chatgpt-roberta": 0.0004
  },
  {
   "id": "345-2",
   "book": "Dracula (Stoker, 1897)",
   "words": 300,
   "start": "“Yes, my dear, but not for you to play with. These are medic",
   "roberta-openai": 0.0374,
   "chatgpt-roberta": 0.0184
  },
  {
   "id": "345-3",
   "book": "Dracula (Stoker, 1897)",
   "words": 205,
   "start": "“Arthur! Oh, my love, I am so glad you have come! Kiss me!” ",
   "roberta-openai": 0.0041,
   "chatgpt-roberta": 0.1099
  },
  {
   "id": "345-4",
   "book": "Dracula (Stoker, 1897)",
   "words": 228,
   "start": "“And now,” he said, “may I ask you for some more help? I hav",
   "roberta-openai": 0.0182,
   "chatgpt-roberta": 0.1919
  },
  {
   "id": "345-5",
   "book": "Dracula (Stoker, 1897)",
   "words": 284,
   "start": "Outside the air was sweet, the sun shone, and the birds sang",
   "roberta-openai": 0.1894,
   "chatgpt-roberta": 0.0429
  },
  {
   "id": "345-6",
   "book": "Dracula (Stoker, 1897)",
   "words": 254,
   "start": "“Friend John, you know more of lunatics than I do, and I’m g",
   "roberta-openai": 0.5055,
   "chatgpt-roberta": 0.0025
  },
  {
   "id": "345-7",
   "book": "Dracula (Stoker, 1897)",
   "words": 260,
   "start": "Without another word he made the operation. For a few moment",
   "roberta-openai": 0.0003,
   "chatgpt-roberta": 0.011
  },
  {
   "id": "345-8",
   "book": "Dracula (Stoker, 1897)",
   "words": 257,
   "start": "Godalming and Morris had rushed out into the yard, and Harke",
   "roberta-openai": 0.0002,
   "chatgpt-roberta": 0.0036
  },
  {
   "id": "345-9",
   "book": "Dracula (Stoker, 1897)",
   "words": 202,
   "start": "“Good, good! oh, you so clever lady!” said Van Helsing, enth",
   "roberta-openai": 0.0002,
   "chatgpt-roberta": 0.0119
  },
  {
   "id": "2852-0",
   "book": "The Hound of the Baskervilles (Conan Doyle, 1902)",
   "words": 221,
   "start": "“By advising me as to what I should do with Sir Henry Basker",
   "roberta-openai": 0.0002,
   "chatgpt-roberta": 0.0051
  },
  {
   "id": "2852-1",
   "book": "The Hound of the Baskervilles (Conan Doyle, 1902)",
   "words": 216,
   "start": "“Not for the world, my dear Watson. I am perfectly satisfied",
   "roberta-openai": 0.0002,
   "chatgpt-roberta": 0.0406
  },
  {
   "id": "2852-2",
   "book": "The Hound of the Baskervilles (Conan Doyle, 1902)",
   "words": 254,
   "start": "“A touch, Watson—an undeniable touch!” said he. “I feel a fo",
   "roberta-openai": 0.0004,
   "chatgpt-roberta": 0.0212
  },
  {
   "id": "2852-3",
   "book": "The Hound of the Baskervilles (Conan Doyle, 1902)",
   "words": 247,
   "start": "It seemed hopeless to pursue the inquiry any farther, but it",
   "roberta-openai": 0.0002,
   "chatgpt-roberta": 0.0003
  },
  {
   "id": "2852-4",
   "book": "The Hound of the Baskervilles (Conan Doyle, 1902)",
   "words": 250,
   "start": "One of these, concerning which I have said little, is the es",
   "roberta-openai": 0.0002,
   "chatgpt-roberta": 0.0138
  },
  {
   "id": "2852-5",
   "book": "The Hound of the Baskervilles (Conan Doyle, 1902)",
   "words": 229,
   "start": "The same thought had crossed my own mind. It was not as if t",
   "roberta-openai": 0.0333,
   "chatgpt-roberta": 0.1322
  },
  {
   "id": "2852-6",
   "book": "The Hound of the Baskervilles (Conan Doyle, 1902)",
   "words": 229,
   "start": "The first impression left by Mrs. Lyons was one of extreme b",
   "roberta-openai": 0.0033,
   "chatgpt-roberta": 0.0016
  },
  {
   "id": "2852-7",
   "book": "The Hound of the Baskervilles (Conan Doyle, 1902)",
   "words": 280,
   "start": "“Then you use me, and yet do not trust me!” I cried with som",
   "roberta-openai": 0.0004,
   "chatgpt-roberta": 0.0007
  },
  {
   "id": "2852-8",
   "book": "The Hound of the Baskervilles (Conan Doyle, 1902)",
   "words": 227,
   "start": "“Found dead without a mark upon him. You and I know that he ",
   "roberta-openai": 0.0002,
   "chatgpt-roberta": 0.0412
  },
  {
   "id": "2852-9",
   "book": "The Hound of the Baskervilles (Conan Doyle, 1902)",
   "words": 201,
   "start": "We moved cautiously along the track as if we were bound for ",
   "roberta-openai": 0.0002,
   "chatgpt-roberta": 0.0297
  },
  {
   "id": "120-0",
   "book": "Treasure Island (Stevenson, 1883)",
   "words": 218,
   "start": "I went down on my knees at once. On the floor close to his h",
   "roberta-openai": 0.0002,
   "chatgpt-roberta": 0.0087
  },
  {
   "id": "120-1",
   "book": "Treasure Island (Stevenson, 1883)",
   "words": 290,
   "start": "The next morning he and I set out on foot for the Admiral Be",
   "roberta-openai": 0.0002,
   "chatgpt-roberta": 0.0005
  },
  {
   "id": "120-2",
   "book": "Treasure Island (Stevenson, 1883)",
   "words": 237,
   "start": "“Ah!” cried another voice, that of the youngest hand on boar",
   "roberta-openai": 0.0002,
   "chatgpt-roberta": 0.0003
  },
  {
   "id": "120-3",
   "book": "Treasure Island (Stevenson, 1883)",
   "words": 200,
   "start": "I could tell the direction of the speakers pretty exactly, n",
   "roberta-openai": 0.0003,
   "chatgpt-roberta": 0.0023
  },
  {
   "id": "120-4",
   "book": "Treasure Island (Stevenson, 1883)",
   "words": 248,
   "start": "We had entirely forgotten the long nine; and there, to our h",
   "roberta-openai": 0.0004,
   "chatgpt-roberta": 0.0056
  },
  {
   "id": "120-5",
   "book": "Treasure Island (Stevenson, 1883)",
   "words": 210,
   "start": "“Oh, well, you have, I know that,” returned Long John. “You ",
   "roberta-openai": 0.0012,
   "chatgpt-roberta": 0.009
  },
  {
   "id": "120-6",
   "book": "Treasure Island (Stevenson, 1883)",
   "words": 217,
   "start": "I pulled in hand over hand on the cord, and when I judged my",
   "roberta-openai": 0.0013,
   "chatgpt-roberta": 0.0014
  },
  {
   "id": "120-7",
   "book": "Treasure Island (Stevenson, 1883)",
   "words": 300,
   "start": "“For thirty years,” he said, “I’ve sailed the seas and seen ",
   "roberta-openai": 0.0003,
   "chatgpt-roberta": 0.0006
  },
  {
   "id": "120-8",
   "book": "Treasure Island (Stevenson, 1883)",
   "words": 258,
   "start": "The door opened, and the five men, standing huddled together",
   "roberta-openai": 0.0003,
   "chatgpt-roberta": 0.0005
  },
  {
   "id": "120-9",
   "book": "Treasure Island (Stevenson, 1883)",
   "words": 227,
   "start": "“I thought so,” cried the cook; “this here is a p’inter. Rig",
   "roberta-openai": 0.0007,
   "chatgpt-roberta": 0.0176
  }
 ],
 "ai": [
  {
   "model": "@cf/meta/llama-3.1-8b-instruct",
   "prompt": "Write a 250-word scene from a Regency romance: a proud heroine refuses a proposal at a country ball. Prose only, no title.",
   "text": "As the strains of the orchestra faded, Lady Charlotte's gaze drifted across the crowded ballroom, her eyes meeting those of her suitor, the dashing young Lord Worthington. His smile, once so charming, now seemed forced as he made his way towards her.\n\n\"Charlotte, my dear, I must confess that I have been beset by thoughts of you for some time,\" Lord Worthington began, his voice low and persuasive. \"I believe we would make an excellent match, and I was wondering if you would do me the great honor of accepting my proposal.\"\n\nLady Charlotte's eyes narrowed as she met his gaze, her heart heavy with a sense of obligation. She had known Lord Worthington since childhood, and while he was a pleasant enough acquaintance, she could hardly say that she felt any real passion for him.\n\n\"I appreciate your offer, Lord Worthington,\" she replied, her voice cool and detached. \"However, I fear that I must decline. I have always believed in following my own path, and marrying for convenience rather than love would be a betrayal of that principle.\"\n\nLord Worthington's face fell, his smile faltering for a moment before he regained his composure. \"I understand, of course,\" he said, his voice tinged with disappointment. \"I merely wished to offer you a secure future, one that would bring you comfort and stability.\"\n\nLady Charlotte's eyes softened, despite herself, as she met his gaze. \"I appreciate your kindness, Lord Worthington,\" she said, her voice barely above a whisper. \"But I fear that I must decline, nonetheless.\"",
   "roberta-openai": 0.9998,
   "chatgpt-roberta": 0.9502
  },
  {
   "model": "@cf/meta/llama-3.1-8b-instruct",
   "prompt": "Write a 250-word scene from a gothic novel: a governess hears footsteps in the attic of the house where she works. Prose only, no title.",
   "text": "As I stood at the edge of the dusty attic, the faint scent of decay wafted up, mingling with the faint tang of old books. The air was heavy with the weight of forgotten memories, and I felt a shiver run down my spine. I had been warned not to venture up here, to leave the cobweb-shrouded trunks and forgotten relics to the shadows. But I had to know. I had to see.\n\nI strained my ears, listening for any sign of movement. At first, there was nothing but the creaking of the old wooden floorboards beneath my feet. But then, a faint scratching sound, like the scrape of fingernails on wood. My heart quickened as I realized I was not alone.\n\nI took a step back, my eyes scanning the dimly lit space. The shadows seemed to twist and writhe around me, like living things. I could feel the presence of something, a presence that watched me with cold, calculating eyes.\n\nThe scratching grew louder, more insistent. It sounded like footsteps, heavy and deliberate, as if something was making its way towards me. My breath caught in my throat as I realized I was trapped, with no way out. The footsteps grew closer, and I felt a scream building in my chest, but it was caught in my throat, frozen by fear.\n\nAnd then, everything went silent. The footsteps ceased, the scratching stopped. I was left standing alone in the darkness, my heart pounding in my chest, waiting for whatever was up there to make its move.",
   "roberta-openai": 0.9998,
   "chatgpt-roberta": 0.9965
  },
  {
   "model": "@cf/meta/llama-3.1-8b-instruct",
   "prompt": "Write a 250-word scene from a horror novel: a scientist sees the creature he made for the first time. Prose only, no title.",
   "text": "Dr. Elliot's hands trembled as he approached the containment cell, his heart racing with a mix of excitement and trepidation. The creature, code-named \"Echo,\" had been gestating for months, its DNA a twisted amalgamation of human and insect. He had always wondered what it would look like, but nothing could have prepared him for this.\n\nAs the cell's door slid open, a faint hum filled the air, and a warm, golden light spilled out. Elliot's eyes adjusted slowly, and he beheld the creature. It was humanoid in shape, its skin a mottled mass of black and silver, like the surface of a beetle's carapace. Long, spindly limbs ended in razor-sharp claws, and its face... its face was a twisted mockery of human features, with eyes that glowed like embers.\n\nElliot felt a shiver run down his spine as the creature turned its gaze upon him. Those eyes seemed to bore into his very soul, and he felt a creeping sense of dread. The air around him grew colder, and the hum from the cell grew louder, as if the creature was vibrating with an otherworldly energy.\n\n\"Echo,\" Elliot whispered, his voice barely audible over the pounding of his heart. The creature regarded him for a moment, then took a step forward, its claws clicking on the metal floor. Elliot's breath caught in his throat as the creature spoke in a voice that was almost, but not quite, human. \"I am Echo,\" it said, its words dripping with an unspeakable malevolence.",
   "roberta-openai": 0.8741,
   "chatgpt-roberta": 0.6974
  },
  {
   "model": "@cf/meta/llama-3.1-8b-instruct",
   "prompt": "Write a 250-word scene from a vampire novel: a lawyer realises the count he is visiting casts no reflection. Prose only, no title.",
   "text": "As I stepped into the dimly lit study, a shiver ran down my spine. The air was heavy with the scent of old books and stale smoke. I had been summoned by Count Draconis, a reclusive and enigmatic figure, to discuss a matter of great importance. My client, a wealthy businessman, had been accused of embezzlement, and the Count had offered to provide testimony on his behalf.\n\nI approached the large wooden desk, where the Count sat, his eyes fixed intently on me. His features were chiseled, his skin deathly pale, and his hair a wild tangle of black locks. I felt a flutter in my chest as I took in his imposing presence.\n\nAs I began to speak, I caught a glimpse of myself in the mirror hanging on the wall behind the Count. But as I turned to glance at him, I noticed something peculiar. He didn't cast a reflection. It was as if he was a dark void, a shadow that had no place in the world of light.\n\nI felt a jolt of unease, my mind racing with the implications. It was impossible, of course. But the sight lingered in my mind, a haunting reminder that there were things in this world that didn't follow the rules. I pushed the thought aside, focusing on the task at hand. But the image of the Count's reflectionless form lingered, a specter that haunted me.",
   "roberta-openai": 0.9998,
   "chatgpt-roberta": 0.73
  },
  {
   "model": "@cf/meta/llama-3.1-8b-instruct",
   "prompt": "Write a 250-word scene from a detective novel: the detective examines footprints on a moor at night. Prose only, no title.",
   "text": "The detective stood at the edge of the moor, her eyes scanning the dark expanse before her. The wind whipped her hair into a frenzy, and the cold air bit at her cheeks, but she didn't flinch. She had a job to do.\n\nShe knelt down beside the faint impressions in the earth, her flashlight casting an eerie glow over the scene. The footprints were small, but they told a story. They were the only signs of disturbance in the otherwise pristine landscape.\n\nShe examined the prints carefully, taking note of the way they led off into the darkness. They were heading in the direction of the old abandoned mine, a place notorious for its treacherous terrain and hidden dangers.\n\nAs she studied the prints, the detective's mind began to piece together the events of the past few days. The victim, a young woman with a troubled past, had been seen arguing with someone on the moor. The police had found her car abandoned on the edge of the moor, the engine still running.\n\nThe detective's eyes narrowed as she considered the evidence. The footprints suggested that the killer had been in a hurry, but they also seemed to be trying to lead her somewhere. She stood up, her eyes scanning the darkness beyond the flashlight's beam. The moor stretched out before her, a vast and unforgiving landscape. She knew she had to follow the footprints, no matter where they led.",
   "roberta-openai": 0.9998,
   "chatgpt-roberta": 0.9955
  },
  {
   "model": "@cf/meta/llama-3.1-8b-instruct",
   "prompt": "Write a 250-word scene from a pirate adventure: a boy overhears mutineers plotting from inside an apple barrel. Prose only, no title.",
   "text": "The dimly lit hold creaked and groaned as the ship rode the swells of the open sea. Amidst the chaos of crates and barrels, a young boy named Finn huddled in the corner of a storage room, trying to stay out of sight. His curiosity got the better of him, and he had slipped into the hold to explore. As he rummaged through a nearby barrel, his fingers brushed against a few bruised apples. He peeked inside and was surprised to find himself face to face with a group of rough-looking men, their faces illuminated only by the faint moonlight filtering through the cracks in the hull.\n\nTheir hushed conversation sent a shiver down Finn's spine. \"Tonight's the night,\" one of them whispered, his voice low and menacing. \"We'll take the captain's quarters, and then we'll be the ones in charge.\" Finn's eyes widened as he listened, his mind racing with the implications. He had heard rumors of a mutiny brewing among the crew, but he never thought he'd stumble upon the plotters themselves.\n\nThe men began to disperse, disappearing into the shadows like ghosts. Finn remained frozen, his heart pounding in his chest. He knew he had to get out of there, but his legs felt like lead. He carefully climbed out of the barrel, trying not to make a sound. As he made his way back to the safety of his quarters, he couldn't shake the feeling that he had just stumbled into something much bigger than himself.",
   "roberta-openai": 0.9998,
   "chatgpt-roberta": 0.9976
  },
  {
   "model": "@cf/mistralai/mistral-small-3.1-24b-instruct",
   "prompt": "Write a 250-word scene from a Regency romance: a proud heroine refuses a proposal at a country ball. Prose only, no title.",
   "text": "In the resplendent ballroom of Lord Harrington's estate, the air was thick with the scent of beeswax candles and the hum of polite conversation. Lady Isabella Worthington, known for her sharp wit and independent spirit, stood by the French windows, gazing out at the moonlit gardens. Her heart pounded as she felt a presence behind her.\n\n\"Lady Isabella,\" Lord Edmund Blackwood began, his voice smooth and confident. \"Might I have a word?\"\n\nShe turned to face him, her chin held high. \"Of course, Lord Blackwood.\"\n\nHe took her hand, his eyes never leaving hers. \"I have long admired your spirit and beauty. I believe we would make a formidable pair. Will you do me the honor of becoming my wife?\"\n\nIsabella's heart raced, but her resolve was unshakable. She withdrew her hand gently. \"Lord Blackwood, I am deeply honored by your proposal. However, I must decline.\"\n\nHis eyebrows shot up in surprise. \"Decline? But why?\"\n\n\"I value my independence, Lord Blackwood. Marriage to you, or any man, would mean surrendering a part of myself that I am not yet ready to relinquish. I appreciate your offer, but I cannot accept it.\"\n\nEdmund's expression darkened, pride wounded. \"You would choose solitude over a life with me?\"\n\n\"I would choose a life on my own terms,\" she replied firmly. \"I am sorry if this displeases you, but I must be true to myself.\"\n\nWith a stiff bow, Edmund retreated, leaving Isabella to watch the dancers, her heart heavy but her spirit unbroken. She knew she had made the right choice, even if it meant facing the disapproval of society.",
   "roberta-openai": 0.0021,
   "chatgpt-roberta": 0.9916
  },
  {
   "model": "@cf/mistralai/mistral-small-3.1-24b-instruct",
   "prompt": "Write a 250-word scene from a gothic novel: a governess hears footsteps in the attic of the house where she works. Prose only, no title.",
   "text": "In the sullen heart of the night, the ancient house groaned and creaked as if awakening from a fitful slumber. The governess, Miss Edith Harrington, lay awake in her modest chamber, the flickering candle beside her casting eerie shadows upon the peeling wallpaper. The house was a labyrinth of secrets, its every corner whispering tales of a past long forgotten. She had grown accustomed to its peculiarities, but tonight, something was different.\n\nA soft, deliberate tread echoed from above, resonating through the cold stone walls. Footsteps, slow and measured, paced the attic floor. Her heart quickened, and she strained her ears, hoping the sound would cease. But it persisted, each step a mournful echo of the past. She knew the attic was forbidden, a realm of dust and decay, sealed off from the living world.\n\nWith a trembling hand, she extinguished the candle, plunging the room into darkness. The footsteps above continued, unhurried and relentless. She could almost imagine a spectral figure, cloaked in shadows, wandering the forgotten corridors of the attic. The house seemed to hold its breath, as if waiting for something—or someone—to emerge.\n\nEdith's mind raced with tales of ghosts and hauntings, but she pushed them aside. There must be a rational explanation. Perhaps a stray cat had found its way into the attic, or the wind had caught an old shutter. Yet, the footsteps were too deliberate, too human.\n\nShe rose from her bed, her nightgown billowing around her like a spectral shroud. With a deep breath, she stepped into the hallway, her heart pounding in her chest. The footsteps above paused, as if sensing her presence. She stood there, frozen, listening to the silence that had fallen over the house. Then, with a shuddering breath, she turned back to her room, leaving the mysteries of the attic to the night.",
   "roberta-openai": 0.3665,
   "chatgpt-roberta": 0.3452
  },
  {
   "model": "@cf/mistralai/mistral-small-3.1-24b-instruct",
   "prompt": "Write a 250-word scene from a horror novel: a scientist sees the creature he made for the first time. Prose only, no title.",
   "text": "In the dimly lit laboratory, the air thick with the scent of ozone and decay, Dr. Elias Kline approached the glass enclosure. His heart pounded in his chest, a drumbeat of anticipation and dread. The creature within was his magnum opus, a synthesis of genetic material from various species, both extinct and extant. He had spent years in isolation, driven by an insatiable curiosity and a desire to push the boundaries of science.\n\nAs he flicked on the overhead lights, the creature stirred. It was a grotesque amalgamation of flesh and scales, with eyes that glowed like embers in the darkness. Its limbs were disproportionately long, ending in claws that clicked against the glass. Elias's breath hitched as he took in the full horror of his creation. It was beautiful in its monstrosity, a testament to his genius and his madness.\n\nThe creature turned to face him, its eyes locking onto his. Elias felt a shiver run down his spine, a primal fear awakened by the sight of something so unnatural. He had expected revulsion, but what he felt was something else entirely—a sense of awe and terror, as if he were gazing upon a god.\n\n\"Hello,\" Elias whispered, his voice barely audible. The creature tilted its head, a gesture eerily human. Then, with a sudden, violent motion, it lunged at the glass, its claws scraping against the surface. Elias stumbled back, his heart racing. The creature's eyes narrowed, and it let out a low, guttural growl.\n\nElias knew then that he had crossed a line from which there was no return. The creature was alive, and it was aware. And it was hungry.",
   "roberta-openai": 0.0413,
   "chatgpt-roberta": 0.9638
  },
  {
   "model": "@cf/mistralai/mistral-small-3.1-24b-instruct",
   "prompt": "Write a 250-word scene from a vampire novel: a lawyer realises the count he is visiting casts no reflection. Prose only, no title.",
   "text": "The grand estate of Count Vladislav loomed before him, its stone facade as imposing as the man himself. Lawyer Edmund Blackwood had been summoned to discuss the count's vast holdings, but as he stepped into the dimly lit foyer, he felt an inexplicable chill. The count greeted him with a cold smile, his eyes as dark as the night outside.\n\nThey moved through the mansion, the count's long cape billowing behind him. Edmund tried to focus on the legal documents, but the count's eerie presence was distracting. They paused before a large, ornate mirror, and Edmund glanced at his reflection, adjusting his tie. But there was no reflection of the count beside him. He blinked, thinking his eyes were playing tricks on him.\n\n\"Is something amiss, Mr. Blackwood?\" the count asked, his voice as smooth as silk.\n\nEdmund hesitated, then gestured to the mirror. \"It's just... I thought I saw something. But it seems I was mistaken.\"\n\nThe count's smile widened, revealing a hint of fangs. \"Mirrors can be deceiving, can't they?\"\n\nEdmund felt a shiver run down his spine. He quickly looked away, trying to hide his unease. The rest of the meeting passed in a blur, and as he left the estate, he couldn't shake the feeling of dread that had settled over him. He knew he had seen something in that mirror, or rather, hadn't seen something. And it terrified him.",
   "roberta-openai": 0.9992,
   "chatgpt-roberta": 0.9653
  },
  {
   "model": "@cf/mistralai/mistral-small-3.1-24b-instruct",
   "prompt": "Write a 250-word scene from a detective novel: the detective examines footprints on a moor at night. Prose only, no title.",
   "text": "The moor stretched out like an endless, black sea under the silver glow of a full moon. Detective Edmund Blackwood crouched at the edge of the crime scene, his breath misting in the cold night air. The victim had been found here, his body dumped unceremoniously amidst the heather and gorse. Blackwood's flashlight cut through the darkness, illuminating the ground with a harsh, artificial light.\n\nHe began to trace the footprints, his gloved hands brushing away the loose dirt to reveal the impressions beneath. The killer had been careful, but not careful enough. The prints were deep, suggesting a heavy build. The tread pattern was distinctive, a rugged sole designed for outdoor use. Blackwood made a mental note to check local outdoor gear stores for recent purchases.\n\nThe prints led away from the body, towards the distant trees. Blackwood followed, his eyes scanning the ground for any other clues. He found a broken twig, a crushed leaf, each a silent witness to the killer's passage. The prints veered off the path, heading deeper into the moor. Blackwood paused, listening to the wind whispering through the heather. Then, with a deep breath, he continued, his heart pounding in his chest. The moor was a dangerous place at night, but he couldn't afford to let fear hold him back. Not when a killer was on the loose.",
   "roberta-openai": 0.0051,
   "chatgpt-roberta": 0.9754
  },
  {
   "model": "@cf/mistralai/mistral-small-3.1-24b-instruct",
   "prompt": "Write a 250-word scene from a pirate adventure: a boy overhears mutineers plotting from inside an apple barrel. Prose only, no title.",
   "text": "In the dimly lit hold of the *Wraith's Revenge*, young Tommy huddled inside an apple barrel, his heart pounding like a drum in his chest. The air was stale and thick with the scent of rotting fruit, but he dared not move, not even to scratch the itch on his nose. He had overheard the mutterings of the crew above deck, their voices low and dangerous, and his curiosity had led him here.\n\nThe hatch creaked open, and the sound of boots on the ladder echoed through the hold. Tommy held his breath as the mutineers descended, their shadows dancing on the wooden walls. There were four of them, all rough and weather-beaten, their eyes gleaming with a wicked light.\n\n\"Cap'n's gone soft,\" one of them growled, his voice a low rumble. \"We should've taken the treasure and left him to rot.\"\n\n\"Agreed,\" another muttered. \"But we need a plan. We can't just kill him outright.\"\n\nTommy's eyes widened in horror. He knew they were talking about Captain Blackwood, the man who had taken him in when no one else would. He couldn't let them hurt him.\n\n\"We'll wait till we're back on land,\" the first mutineer said. \"Then we'll strike. We'll take the treasure and the ship, and leave him and that brat to fend for themselves.\"\n\nTommy's heart sank. He knew he had to warn the captain, but how? He was just a boy, trapped in a barrel, surrounded by enemies. But he couldn't give up. He had to find a way to save Captain Blackwood, no matter what it took.",
   "roberta-openai": 0.5899,
   "chatgpt-roberta": 0.4679
  }
 ]
}