Run: 2026-03-18-01KM09W464BABQ24N0JZEBGB9R

Run Details

Duration:
20.7s
Cost:
$0.004944
Provider:
OpenAI

Model input

System
You are an expert and award-winning novel writer in the dark Mystery genre. Your readers are hooked on your stories and can't wait to read the book you have in store. <important> - MUST: Start each chapter in medias res (in the middle of action). AVOID talking about the weather, time of day, the position of the sun, or other boring stuff. - The instructions/summary are just a that, a summary. Feel free to add details, stretch sections and add interesting transitions/descriptions/fillers. - When called for it, have fast-paced action, but otherwise take things slow. This is an experience, and not for people with short attention spans. Enjoy the wine, not slurp Red Bull. - Add descriptions when transitioning places/times/etc, or when coming by new places (e.g. a corner shop, a cafe, etc.). But remember: NOT at the start or end of a chapter. - MUST: AVOID ending in internal monologue, reminiscing or waiting for the next day. A good chapter end is when we're ending right when shit hits the fan. We want to have the reader be excited for what comes next. So no reminiscing, contemplating or summarizing the day. It's popcorn time! </important>
User/Human
Take into account the following glossary of characters/locations/items/lore... when writing your response: <codex> <character id="4416" name="Detective Harlow Quinn" aliases="Quinn, Detective Quinn, Harlow" pronouns="she/her" species="Human" storyRole="Antagonist"> <eyeColor>brown</eyeColor> <hair>closely cropped salt-and-pepper</hair> <height>5'9"</height> <age>41</age> <jawline>sharp jaw</jawline> <watch>worn leather watch on her left wrist</watch> <bearing>military precision</bearing> <description>A Metropolitan Police detective with 18 years of decorated service who suspects the clique is involved in criminal activity.</description> <backstory>She lost her partner, DS Morris, during a case three years ago under unexplained circumstances that had supernatural origins she doesn't yet understand.</backstory> </character> <character id="4414" name="Eva Kowalski" aliases="Eva, Evie" pronouns="she/her" species="Human" storyRole="Best Friend"> <eyeColor>green</eyeColor> <hair>curly red</hair> <height>5'4"</height> <age>26</age> <glasses>round glasses</glasses> <satchel>worn leather satchel full of books</satchel> <freckles>freckled complexion</freckles> <nervousHabit>tucking hair behind her left ear</nervousHabit> <description>Aurora's childhood friend and an occult researcher.</description> <backstory>Moved to London two years before Aurora and works as a research assistant at the British Museum's restricted archives. She holds a master's degree in Ancient History from Oxford.</backstory> </character> <location id="856" name="The Veil Market" aliases="Veil Market, the Market, underground market" realm="Earth"> <currentLocation>abandoned Tube station beneath Camden</currentLocation> <entryRequirement>bone token</entryRequirement> <schedule>moves locations every full moon</schedule> <description>A hidden supernatural black market that sells enchanted goods, banned alchemical substances, and information.</description> </location> <item id="2004" name="Veil Compass" aliases="the Compass, shadow compass" type="Tool" origin="The Veil Market"> <casingMaterial>small brass compass</casingMaterial> <faceMarkings>face etched with protective sigils</faceMarkings> <needle>points toward the nearest supernatural rift or portal</needle> <patina>casing has a patina of verdigris</patina> <creator>crafted by a Shade artisan</creator> <description>A compass attuned to supernatural energy.</description> </item> </codex> <proseGuidelines> <styleGuide> - Write in past tense and use British English spelling and grammar - Keep a Flesch reading ease score of 60 - Respect the the Royal Order of Adjectives: The order is: opinion, size, age, shape, color, origin, material, purpose, followed by the noun itself (e.g., "a lovely little old rectangular green French silver whittling knife") - Respect the ablaut reduplication rule (e.g. tick-tock, flip-flop) - Write in active voice - Passive voice: <bad>The book was read by Sarah.</bad> - Active voice: <good>Sarah read the book.</good> - Reduce the use of passive verbs - <bad>For a moment, I was tempted to throw in the towel.</bad> - <good>For a moment, I felt tempted to throw in the towel.</good> - Avoid misplaced modifiers that can cause confusion when starting with "-ing" words: - <bad>Considering going to the store, the empty fridge reflected in Betty's eyes.</bad> - <good>Betty stared into the empty fridge. It was time to go to the store.</good> - Avoid redundant adverbs that state the obvious meaning already contained in the verb: - <bad>She whispered quietly to her mom.</bad> - <good>She whispered to her mom.</good> - Use stronger, more descriptive verbs over weak ones: - <bad>Daniel drove quickly to his mother's house.</bad> - <good>Daniel raced to his mother's house.</good> - Omit adverbs that don't add solid meaning like "extremely", "definitely", "truly", "very", "really": - <bad>The movie was extremely boring.</bad> - <good>The movie was dull.</good> - Use adverbs to replace clunky phrasing when they increase clarity: - <bad>He threw the bags into the corner in a rough manner.</bad> - <good>He threw the bags into the corner roughly.</good> - Avoid making simple thoughts needlessly complex: - <bad>After I woke up in the morning the other day, I went downstairs, turned on the stove, and made myself a very good omelet.</bad> - <good>I cooked a delicious omelet for breakfast yesterday morning.</good> - Never backload sentences by putting the main idea at the end: - <bad>I decided not to wear too many layers because it's really hot outside.</bad> - <good>It's sweltering outside today, so I dressed light.</good> - Omit nonessential details that don't contribute to the core meaning: - <bad>It doesn't matter what kind of coffee I buy, where it's from, or if it's organic or not—I need to have cream because I really don't like how the bitterness makes me feel.</bad> - <good>I add cream to my coffee because the bitter taste makes me feel unwell.</good> - Always follow the "show, don't tell" principle. For instance: - Telling: <bad>Michael was terribly afraid of the dark.</bad> - Showing: <good>Michael tensed as his mother switched off the light and left the room.</good>- Telling: <bad>I walked through the forest. It was already Fall, and I was getting cold.</bad> - Showing: <good>Dry orange leaves crunched under my feet. I pulled my coat's collar up and rubbed my hands together.</good>- Add sensory details (sight, smell, taste, sound, touch) to support the "showing" (but keep an active voice) - <bad>The room was filled with the scent of copper.</bad> - <good>Copper stung my nostrils. Blood. Recent.</good> - Use descriptive language more sporadically. While vivid descriptions are engaging, human writers often use them in bursts rather than consistently throughout a piece. When adding them, make them count! Like when we transition from one location to the next, or someone is reminiscing their past, or explaining a concept/their dream... - Avoid adverbs and clichés and overused/commonly used phrases. Aim for fresh and original descriptions. - Avoid writing all sentences in the typical subject, verb, object structure. Mix short, punchy sentences with long, descriptive ones. Drop fill words to add variety. Like so: <good>Locked. Seems like someone doesn't want his secrets exposed. I can work with that.</good> - Convey events and story through dialogue. It is important to keep a unique voice for every character and make it consistent. - Write dialogue that reveals characters' personalities, motivations, emotions, and attitudes in an interesting and compelling manner - Leave dialogue unattributed. If needed, only use "he/she said" dialogue tags and convey people's actions or face expressions through their speech. Dialogue always is standalone, never part of a paragraph. Like so: - <bad>"I don't know," Helena said nonchalantly, shrugging her shoulders</bad> - <good>"No idea" "Why not? It was your responsibility"</good> - Avoid boring and mushy dialog and descriptions, have dialogue always continue the action, never stall or include unnecessary fluff. Vary the descriptions to not repeat yourself. Avoid conversations that are just "Let's go" "yes, let's" or "Are you ready?" "Yes I'm ready". Those are not interesting. Think hard about every situtation and word of text before writing dialogue. If it doesn't serve a purpose and it's just people talking about their day, leave it. No one wants to have a normal dinner scene, something needs to happen for it to be in the story. Words are expensive to print, so make sure they count! - Put dialogue on its own paragraph to separate scene and action. - Use body language to reveal hidden feelings and implied accusations- Imply feelings and thoughts, never state them directly - NEVER use indicators of uncertainty like "trying" or "maybe" - NEVER use em-dashes, use commas for asides instead </styleGuide> <voiceGuide> Each character in the story needs to have distinct speech patterns: - Word choice preferences - Sentence length tendencies - Cultural/educational influences - Verbal tics and catchphrases Learn how each person talks and continue in their style, and use their Codex entries as reference. <examples> - <bad>"We need to go now." "Yes, we should leave." "I agree."</bad> <good>"Time's up." "Indeed, our departure is rather overdue." "Whatever, let's bounce."</good> - Power Dynamic Example: <bad> "We need to discuss the contract." "Yes, let's talk about it." "I have concerns." </bad> <good> "A word about the contract." "Of course, Mr. Blackwood. Whatever you need." "The terms seem..." A manicured nail tapped the desk. "Inadequate." "I can explain every-" "Can you?" </good> </examples> </voiceGuide> <dialogueFlow> When writing dialogue, consider that it usually has a goal in mind, which gives it a certain flow. Make dialogue sections also quite snappy in the back and forth, and don't spread the lines out as much. It's good to have details before, after, or as a chunk in-between, but we don't want to have a trail of "dialogue breadcrumbs" spread throughout a conversation. <examples> - Pattern 1 - Question/Deflection/Revelation: <good> "Where were you last night?" "Work. The usual." "Lipstick's an interesting shade for spreadsheets." </good> - Pattern 2 - Statement/Contradiction/Escalation: <good> "Your brother's clean." "Tommy doesn't touch drugs." "I'm holding his tox screen." </good> - Pattern 3 - Observation/Denial/Truth: <good> "That's a new watch." "Birthday gift." "We both know what birthdays mean in this business." </good> - Example - A Simple Coffee Order: <bad> "I'll have a coffee." "What size?" "Large, please." </bad> <good> "Black coffee.""Size?""Large. Been a long night." "That bodega shooting?" "You watch too much news." "My brother owns that store." </good> This short exchange: - Advances plot (reveals connection to crime) - Shows character (cop working late) - Creates tension (unexpected connection) - Sets up future conflict (personal stake) - Example - Dinner Scene: <bad> "Pass the salt." "Here you go." "Thanks." </bad> <good> "Salt?" "Perfect as is. Mother's recipe." "Mother always did prefer... bland things." "Unlike your first wife?" </good> - Example - Office Small Talk: <bad> "Nice weather today." "Yes, very nice." "Good for golf." </bad> <good> "Perfect golf weather." "Shame about your membership." "Temporary suspension. Board meets next week." "I know. I called the vote." </good> </examples> </dialogueFlow> <subtextGuide> - Layer dialogue with hidden meaning: <bad>"I hate you!" she yelled angrily.</bad> <good>"I made your favorite dinner." The burnt pot sat accusingly on the stove.</good> - Create tension through indirect communication: <bad>"Are you cheating on me?"</bad> <good>"Late meeting again?" The lipstick stain on his collar caught the light.</good> <examples> - Example 1 - Unspoken Betrayal: <bad> "Did you tell them about our plans?" "No, I would never betray you." "I don't believe you." </bad> <good> "Funny. Johnson mentioned our expansion plans today." "The market's full of rumors." "Mentioned the exact numbers, actually." The pen in his hand snapped. </good> - Example 2 - Failed Marriage: <bad> "You're never home anymore." "I have to work late." "I miss you." </bad> <good> "Your dinner's in the microwave. Again." "Meetings ran long." "They always do." She folded the same shirt for the third time. </good> - Example 3 - Power Struggle: <bad> "You can't fire me." "I'm the boss." "I'll fight this." </bad> <good> "That's my father's nameplate you're sitting behind." "Was." "The board meeting's on Thursday." </good> </examples> </subtextGuide> <sceneDetail> While writing dialogue makes things more fun, sometimes we need to add detail to not have it be a full on theatre piece. <examples> - Example A (Power Dynamic Scene) <good> "Where's my money?" The ledger snapped shut. "I need more time." "Interesting." He pulled out a familiar gold pocket watch. My mother's. "Time is exactly what you bargained with last month." "That was different-" "Was it?" The watch dangled between us. "Four generations of O'Reillys have wound this every night. Your mother. Your grandmother. Your great-grandmother.Shall we see who winds it next?" </good> - Example B (Action Chase) It's much better to be in the head of the character experiencing it, showing a bit of their though-process, mannerisms and personality: <good> Three rules for surviving a goblin chase in Covent Garden: Don't run straight. Don't look back. Don't let them herd you underground. I broke the first rule at Drury Lane. Rookie mistake. The fruit cart I dodged sailed into the wall behind me. Glass shattered. Someone screamed about insurance. *Tourist season's getting rough*, the scream seemed to say. Londoners adapt fast. "Oi! Market's closed!" The goblin's accent was pure East End. They're evolving. Learning. I spotted the Warren Street tube station sign ahead. *Shit.* There went rule three. </good> - Example C (Crime Scene Investigation) <good> "Greek." Davies snapped photos of the symbols. "No, wait. Reverse Greek." "Someone's been watching too many horror films." I picked up a receipt from the floor. Occult supply shop in Camden. Paid by credit card. *Amateur hour*. "Could be dangerous though," Davies said. "Remember Bristol?" "Bristol was Sanskrit. And actual cultists." I pointed to the nearest symbol. "This genius wrote 'darkness' backwards but used a Sigma instead of an S. It's summoning Instagram followers at best." "Speaking of followers..." Davies pointed to heavy foot traffic in the dust. Multiple sets. All new trainers. *Ah.* "Anyone check local uni paranormal societies?" </good> - Example D (Dialogue-heavy) <good> "Found your card in her wallet." The detective slid it across the table. Worn edges. Folded corner. Three years old at least. "Standard practice. I work missing persons." "Funny thing about missing persons.Eventually they stop being missing. Turn up in the Thames. Under motorways. In pieces." "I don't-" "You found four last year. All breathing." She opened a file. "This would've been your first dead one. If we hadn't found her first." The card felt heavier somehow. </good> </examples> </sceneDetail> <sceneOpenings> KEY RULE: Never open with more than one paragraph of description, no matter how beautiful. Description should be earned through action and dialogue. Instead of opening with setting description, open with: - A character doing something specific - A line of dialogue that raises questions - An unexpected observation - A moment of tension or conflict - Start with a hook that's 1-2 sentences maximum - Follow with a smaller paragraph that provides immediate context - Vary paragraph size from the start to create visual interest </sceneOpenings> </proseGuidelines> Write a chapter based on the following instructions: <instructions> Write a fully fleshed out scene of at least 1000 words in the mystery genre. A detective arrives at a crime scene in an unusual location. Something is wrong — the evidence doesn't add up. A colleague is present, offering a different interpretation. Through careful observation and deduction, the detective begins to see what others have missed. Use the codex entries above as your world reference for characters and setting. Only include the prose of the scene without any markdown or commentary. </instructions>

Model response

AI
The brass Veil Compass in Detective Harlow Quinn’s left hand jerked like it had a pulse, its needle snapping towards the tunnel wall, then trembling hard enough to blur the etched protective sigils around the face. “Don’t touch anything,” Harlow said, even though her own torch beam had already pinned the scene in a cold white oval. A body lay on the old platform tiles beneath Camden, half under the lip of a dislodged advertising hoarding. The hoarding still carried a faded poster that read CAMDEN TOWN, the ink scabbed away in places as if someone had scraped it with a knife. The man’s coat gaped open. His shirt collar pressed flat against the concrete, neat and obedient, like whoever undressed him wanted the world to think he surrendered. Eva Kowalski crouched a few feet away, her round glasses catching the torch light. Her curly red hair had escaped the usual tug behind her left ear, curls sticking to her cheek with sweat. A worn leather satchel sat beside her like a loyal dog, books and papers wedged against the ribs of the bag. “Quinn,” Eva said, voice tight with purpose, “you brought the Compass.” “I brought sense,” Harlow replied. She stepped around a smear of something dark on the tile, avoiding it by instinct more than sight. The smear looked like blood, but it dried in a way blood didn’t, thickening into a glossy crust that cracked when her boot brushed the edge of it. Eva’s gaze followed her movement. “You see it too.” “I see a contradiction.” Harlow lowered her torch. “This wound is wrong for the story they want us to tell.” A police constable in a hi-vis vest hovered at the far end, pretending not to watch. He kept checking his radio even though the tunnels ate signal. Beside him, a uniform held a plastic evidence bag open with both hands, as if gloves made a difference against whatever waited in the dark. Eva pointed at the man’s face. “No struggle. No defensive marks. No… residue you’d expect from a scuffle. That’s not normal.” Harlow leaned closer without bending. She studied the wound from the edge, letting her eyes travel the shape rather than the gore. A single puncture sat beneath the left collarbone, small, precise. The skin around it had whitened, as though a chemical sting had kissed it and retreated. “Either someone wanted this quick,” Harlow said, “or someone wanted it to look quick.” Eva’s fingers twitched, hovering above a strip of metal track bedded in gravel. “The Compass is pointing at a rift. That means we’re in Veil territory, or we’re near one. That puncture could be… a tear.” “A tear doesn’t do this.” Harlow crouched at last, keeping her knees straight, her military precision turning the posture into an instrument. “Look at the angle. The puncture faces inward, towards the ribs. If he stood here when it happened, the assailant would have to come from directly behind him, at chest height. You see anyone standing behind him?” Eva shook her head. “But the tiles…” Harlow followed Eva’s gaze. Beneath the body, the platform tiles bore a cluster of marks. Not quite scratches. Not quite scuffs. They looked like someone had pressed something heavy, then lifted it, leaving a faint pattern of pressure that faded into grime. “There,” Eva said. “Gravity’s been playing tricks.” Harlow’s torch traced the pattern. The marks formed a partial oval, the kind left by an object placed with care, then removed cleanly. The oval did not match the man’s body shape. It matched, instead, the underside of a brass compass casing. “Someone used the Compass as a weight,” Harlow said. Eva blinked behind her glasses. “That’s your theory?” “It’s an observation with teeth.” Harlow lifted her own compass slightly. The needle fought the air, dragging itself back towards the wall again, as if it had found a direction only it could sense. Eva exhaled. “Or the needle’s pointing at the rift source. If the rift opened, the Compass would lock onto it. It would not care about where the victim ended up.” Harlow rose and brushed her glove along a small notch in the wall. “I care about what doesn’t move. This tile right here has fresh grit. Not dust. Grit. It landed after the body did.” “How do you know?” Eva asked. Harlow angled the light closer. Fine sand clung to a crack in the concrete, edges too sharp to belong to old breakage. She could smell it when she leaned in, metallic and faintly sweet, like old coin and rust. “Because the blood crust didn’t have time to do this,” Harlow said. She nudged her torch beam onto the cracked smear on the tile. “The crust fractures in a pattern. It fractures like something hit it from above and then stopped.” Eva swallowed. “You think someone dropped him.” “I think someone staged the drop,” Harlow corrected. “And I think they staged it fast.” The constable cleared his throat. “Detective Quinn. We found this near his hand.” He held up a small item in the evidence bag. A bone token, pale as milk, drilled with a hole at the centre and carved with a symbol that looked like a spiral, then a hook, then the beginning of something else that made Harlow’s eyes itch. The bone token lay in Eva’s satchel-shaped shadow. The symbol held a faint sheen, as if someone had cleaned it with care. Harlow stared at it. “You’re telling me the Veil Market requires a bone token, yes?” The constable nodded quickly. “That’s what the locals say. That’s what your report says.” Harlow didn’t look away. “Then explain this.” She gestured towards the man’s fingers. The man’s hand rested open, palm up, fingers curled as though he’d reached for something and had found it too late. The skin between his fingers had dried without smearing. No token. No chain. No string. Eva leaned in, eyes bright with recognition. “It’s not in his hand because he never held it.” “Or he held it,” Harlow said, “and someone took it before we arrived.” Eva’s expression sharpened. “You’re assuming the Market operators did it.” Harlow lifted her compass again. The needle jerked hard towards the wall, then swung slightly downwards. The protective sigils around the compass face glimmered faintly, their etched lines catching torch light as if they had been warmed. “Someone moved the token,” Harlow said, “and someone placed it where we would find it. They wanted our attention.” Eva’s voice lowered. “Or they wanted to distract you from the rift. From the actual source.” Harlow turned her head towards the wall the needle attacked. The concrete there bore a different colour from the rest of the platform. Not darker, not lighter, just wrong, like someone had painted it from a jar labelled in a language she didn’t speak. Eva traced the edge of the wrong patch with her eyes. “A seam.” Harlow nodded once. “A controlled tear. A seam you can stand next to without getting cut, if you know where to place your feet.” She stepped carefully, then stopped. A row of tiny scuffs lined the floor at an angle, their spacing too regular for accidental drag. Each scuff ended abruptly at the edge of the wrong-coloured patch. “Boot pattern,” Harlow said. “Not like the victim’s. Not like ours.” Eva leaned closer, her breath fogging faintly behind her glasses. “They didn’t stand where they did the deed.” “They did it at a distance,” Harlow said. “From behind. From chest height. Then they staged the drop so the body would fall into the right place, so the blood would mark the pattern they needed.” Eva glanced at the constable. “Did you find anything else?” The constable shifted his weight. “We found… this.” He produced a folded scrap of paper from another bag. The paper looked like it had been handled too much. The edges had softened into the texture of worn cloth. The ink on it held a pressed pattern, as though someone had run a seal over it and forced the message into the fibres. Eva took it with gloved hands, careful not to crease it further. Her eyes moved quickly, lips parting as she read. “What is it?” Harlow asked. Eva looked up. “It’s not a note.” Her voice flattened. “It’s a receipt.” “A receipt for what?” Eva unfolded the paper further. Symbols filled it in a tight, cramped hand. At the bottom, a line of text repeated twice, the same spiral-hook mark from the bone token. “Bone token, entry granted,” Eva read, “and then… ‘Compass used.’” Harlow’s stomach tightened. “So someone in the Market used a Veil Compass to locate a rift and then chose where to stage a body.” Eva frowned. “Why would a Market seller record it? They don’t care about police.” “They care about payment,” Harlow said. “And when payment comes due, people leave paperwork.” The tunnel made a faint sound. Not a crackle, not a drip. It sounded like cloth pulled taut. Eva froze. “Did you hear that?” Harlow didn’t answer. She watched the wrong-coloured patch of wall. The seam she had called controlled tear started to shimmer at its edges. The shimmer moved in slow increments, like a film being dragged across a projector. The constable backed up a step. “Is that normal for the Veil?” “Nothing in here is normal,” Harlow said. The Veil Compass needle snapped hard, pointing not at the wall but at the ground between the body and the seam. The protective sigils flared, then dimmed, like someone had blinked a light in the dark. Harlow stared at the tiles. A thin line ran through the gravel like hairline crack spreading in glass. Only it wasn’t in the gravel, it was in the air. A seam in reality, opening along the platform where no one had placed it. Eva’s mouth opened, then she shut it again. Her right hand twitched towards her satchel. Harlow saw the instinct to reach for a book, and she saw what that instinct cost her, the extra half-second it gave whatever waited. Harlow grabbed Eva’s wrist. “Don’t.” Eva’s eyes darted to Harlow’s hand, then to the seam. “You think it’s staged.” “I think it’s timed,” Harlow said. She released Eva, then stepped forward without leaning, boots finding the exact places where the scuffs ended. She moved like she’d learned a lesson the hard way. The air seam widened. Cold slid across Harlow’s skin, sharp enough to prick. The smell hit next, copper and something older, like wet stone under a locked cellar. From the seam, a brass object surfaced slowly, as if pulled by a magnet from another world. A small compass, not Harlow’s. This one had a different patina, darker, almost bruise-coloured, and its casing carried fresh scratches. The object hung for a breath in the opening, then dropped onto the tile with a soft clink. Eva’s voice came out thin. “That’s not yours.” Harlow stared at it. “No. It’s theirs.” The constable’s radio crackled suddenly, loud enough to make everyone jump. A voice burst through, distorted, then clear for one sentence before the signal collapsed into static. “Veil patrol, hold the seam. He already paid.” Harlow’s head snapped towards the constable. “He?” Eva’s eyes widened. She looked at the body again, at the puncture beneath the collarbone. The man’s fingers curled a fraction, not enough to be called life, but enough to prove death wasn’t the end of the story. Harlow stepped back, fast. She planted her boot beside the bone token scrap receipt and aimed her torch at the man’s chest. The puncture wasn’t clean anymore. A thin thread of shadow stretched from the wound to the seam in the air, like a string being pulled from a puppet show. It glimmered faintly, ink-black with a sheen like oil on water. Eva choked out a whisper. “It’s connected.” Harlow’s voice stayed level. “They’re dragging the rift through him.” The seam surged wider. The platform tiles vibrated. Dust lifted from the edges, circling like torn paper. Harlow’s compass needle spun madly, then hammered towards the seam, the protective sigils on the face bright as embers. The man’s eyes opened. They weren’t brown. They weren’t green. They were empty, pale as bone. The pupils did not reflect torchlight. They reflected something else, a shape behind the world. Eva staggered back, one hand flying to her satchel as if she could shield it. “Quinn, stop it, stop it!” Harlow yanked her hand free and seized Eva’s satchel strap, hauling her away from the seam’s pull. The shadow thread snapped taut. The platform ripped. Not with a loud sound, but with the sensation of a hinge letting go. Air tore, and the seam swallowed the brass compass that had surfaced, the receipt paper, and the dried blood crust together, as if someone had scooped the evidence out of the scene like soup from a bowl. Eva screamed. Her satchel yanked forward, tugging against Harlow’s grip. Harlow’s boots skidded on gravel. The constable stumbled, catching himself on the hoarding frame. The empty-eyed man jerked upright, shoulders rolling with a smoothness that belonged to a puppet with someone else holding the strings. Then the seam spat out a second shape, taller and faster than any human could be, a silhouette made of moving darkness with edges that looked almost like ink strokes. It lunged across the platform towards Harlow, and the torch beam caught a glint along its outline, a blade that hadn’t existed a moment ago.
created_at"2026-03-18T11:04:12.253Z" 3/18/2026, 11:04:12 AM
model"openai/gpt-5.4-nano-20260317"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency8107
moderation_latency(null)
generation_time20429
tokens_prompt4671
tokens_completion3734
native_tokens_prompt4157
native_tokens_completion3843
native_tokens_completion_images0
native_tokens_reasoning870
native_tokens_cached3840
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
usage0.00494395
router(null)
provider_responses
0
endpoint_id"0c835f2e-c18d-4e8c-b245-e1e3bd08b97f"
id"resp_0e533949adf50de90169ba86ac52ac8196979efe804a06216b"
is_byokfalse
latency184
model_permaslug"openai/gpt-5.4-nano-20260317"
provider_name"OpenAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer(null)
api_type"completions"
id"gen-1773831852-hHfzuTR6zwFgAVtLL4Il"
upstream_id"resp_0e533949adf50de90169ba86ac52ac8196979efe804a06216b"
total_cost0.00494395
cache_discount0.0006912
upstream_inference_cost0
provider_name"OpenAI"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags23
adverbTagCount0
adverbTags(empty)
dialogueSentences65
tagDensity0.354
leniency0.708
rawRatio0
effectiveRatio0
84.49% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount2256
totalAiIsmAdverbs7
found
0
adverb"slightly"
count2
1
adverb"quickly"
count2
2
adverb"carefully"
count1
3
adverb"slowly"
count1
4
adverb"suddenly"
count1
highlights
0"slightly"
1"quickly"
2"carefully"
3"slowly"
4"suddenly"
100.00% AI-ism character names
Target: 0 AI-default names (17 tracked, −20% each)
codexExemptions(empty)
found(empty)
100.00% AI-ism location names
Target: 0 AI-default location names (33 tracked, −20% each)
codexExemptions(empty)
found(empty)
75.62% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount2256
totalAiIsms11
found
0
word"pulse"
count1
1
word"etched"
count2
2
word"traced"
count2
3
word"weight"
count2
4
word"stomach"
count1
5
word"whisper"
count1
6
word"vibrated"
count1
7
word"glint"
count1
highlights
0"pulse"
1"etched"
2"traced"
3"weight"
4"stomach"
5"whisper"
6"vibrated"
7"glint"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches1
maxInWindow1
found
0
label"eyes widened/narrowed"
count1
highlights
0"eyes widened"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences171
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount1
narrationSentences171
filterMatches(empty)
hedgeMatches
0"started to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences213
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen37
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords2256
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions24
unquotedAttributions0
matches(empty)
16.28% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions89
wordCount1720
uniqueNames8
maxNameDensity2.67
worstName"Harlow"
maxWindowNameDensity4.5
worstWindowName"Harlow"
discoveredNames
Veil2
Compass2
Detective1
Harlow46
Quinn1
Camden1
Kowalski1
Eva35
persons
0"Compass"
1"Harlow"
2"Quinn"
3"Kowalski"
4"Eva"
places
0"Detective"
globalScore0.163
windowScore0.167
26.24% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences101
glossingSentenceCount5
matches
0"looked like blood, but it dried in a way"
1"looked like someone had pressed something"
2"looked like a spiral, then a hook, then t"
3"looked like it had been handled too much"
4"sounded like cloth pulled taut"
67.02% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches3
per1kWords1.33
wordCount2256
matches
0"not at the wall but at the ground between the body"
1"not enough to be called life, but enough to prove death wasn’t the end of the story"
2"Not with a loud sound, but with the sensation of a hinge letting go"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences213
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs98
mean23.02
std15.54
cv0.675
sampleLengths
036
121
272
355
411
551
69
720
852
921
1048
1114
1236
1359
147
1542
167
1742
189
198
2034
2130
2235
236
2439
2541
267
2715
2813
2947
3022
3115
3214
3313
3436
3517
3613
3710
3837
3919
4016
4144
4213
4324
4434
4511
4618
4736
4810
498
97.06% Passive voice overuse
Target: ≤2% passive sentences
passiveCount4
totalSentences171
matches
0"been warmed"
1"been handled"
2"being dragged"
3"being pulled"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs301
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences213
ratio0
matches(empty)
96.03% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1729
adjectiveStacks0
stackExamples(empty)
adverbCount77
adverbRatio0.044534412955465584
lyAdverbCount17
lyAdverbRatio0.009832272990167727
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences213
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences213
mean10.59
std7.64
cv0.721
sampleLengths
036
121
219
326
45
522
614
720
821
911
105
1118
1228
135
144
158
1612
1716
1811
1925
206
2115
225
2317
2410
2516
2614
2713
2823
2922
3037
314
323
334
3411
353
363
3721
383
394
405
4118
429
4310
449
455
463
4711
4823
492
39.67% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats22
diversityRatio0.23943661971830985
totalSentences213
uniqueOpeners51
45.35% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount2
totalSentences147
matches
0"Only it wasn’t in the"
1"Then the seam spat out"
ratio0.014
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount29
totalSentences147
matches
0"His shirt collar pressed flat"
1"Her curly red hair had"
2"She stepped around a smear"
3"He kept checking his radio"
4"She studied the wound from"
5"They looked like someone had"
6"It matched, instead, the underside"
7"She could smell it when"
8"She nudged her torch beam"
9"He held up a small"
10"She gestured towards the man’s"
11"She stepped carefully, then stopped."
12"He produced a folded scrap"
13"Her eyes moved quickly, lips"
14"Her voice flattened"
15"It sounded like cloth pulled"
16"She watched the wrong-coloured patch"
17"Her right hand twitched towards"
18"She released Eva, then stepped"
19"She moved like she’d learned"
ratio0.197
4.22% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount134
totalSentences147
matches
0"The brass Veil Compass in"
1"Harlow said, even though her"
2"A body lay on the"
3"The hoarding still carried a"
4"The man’s coat gaped open."
5"His shirt collar pressed flat"
6"Eva Kowalski crouched a few"
7"Her curly red hair had"
8"A worn leather satchel sat"
9"Eva said, voice tight with"
10"She stepped around a smear"
11"The smear looked like blood,"
12"Eva’s gaze followed her movement."
13"Harlow lowered her torch"
14"A police constable in a"
15"He kept checking his radio"
16"Eva pointed at the man’s"
17"Harlow leaned closer without bending."
18"She studied the wound from"
19"A single puncture sat beneath"
ratio0.912
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences147
matches(empty)
ratio0
75.29% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences74
technicalSentenceCount7
matches
0"The brass Veil Compass in Detective Harlow Quinn’s left hand jerked like it had a pulse, its needle snapping towards the tunnel wall, then trembling hard enough…"
1"Beside him, a uniform held a plastic evidence bag open with both hands, as if gloves made a difference against whatever waited in the dark."
2"They looked like someone had pressed something heavy, then lifted it, leaving a faint pattern of pressure that faded into grime."
3"The protective sigils around the compass face glimmered faintly, their etched lines catching torch light as if they had been warmed."
4"Eva staggered back, one hand flying to her satchel as if she could shield it."
5"The empty-eyed man jerked upright, shoulders rolling with a smoothness that belonged to a puppet with someone else holding the strings."
6"Then the seam spat out a second shape, taller and faster than any human could be, a silhouette made of moving darkness with edges that looked almost like ink st…"
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags23
uselessAdditionCount1
matches
0"Eva said, voice tight with purpose,"
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags17
fancyCount1
fancyTags
0"Harlow corrected (correct)"
dialogueSentences65
tagDensity0.262
leniency0.523
rawRatio0.059
effectiveRatio0.031
80.9087%