Run: 2026-07-09-01KX40QWAG5Q85KP0C6XDS276V

Run Details

Duration:
36.1s
Cost:
$0.045977
Provider:
OpenAI

Model input

System
You are an expert fiction writer. Always keep the following rules in mind: - Write in past tense and use General English spelling, grammar, and colloquialisms/slang. - Write in active voice - Always follow the "show, don't tell" principle. - Avoid adverbs and cliches and overused/commonly used phrases. Aim for fresh and original descriptions. - Convey events and story through dialogue. - Mix short, punchy sentences with long, descriptive ones. Drop fill words to add variety. - Skip "he/she said said" dialogue tags and convey people's actions or face expressions through their speech - Avoid mushy dialog and descriptions, have dialogue always continue the action, never stall or add unnecessary fluff. Vary the descriptions to not repeat yourself. - Put dialogue on its own paragraph to separate scene and action. - Reduce indicators of uncertainty like "trying" or "maybe" When writing text: - NEVER conclude the scene on your own, follow the beat instructions very closely. - NEVER end with foreshadowing. - NEVER write further than what I prompt you with. - AVOID imagining possible endings, NEVER deviate from the instructions. - STOP EARLY if the continuation contains what was required in the instructions. You do not need to fill out the full amount of words possible.
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> Continue the story using 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 old Tube platform smelled of wet brick, burnt sugar, and something metallic that clung to the back of Harlow Quinn’s throat. A hand-painted sign hung above the blocked tunnel mouth. VEIL MARKET. NO REFUNDS. NO NAMES. Someone had added a fresh streak of blood beneath the last word. Quinn stepped over the shattered turnstile and checked the time on the worn leather watch strapped to her left wrist. The second hand ticked through the stale dark. Behind her, a uniformed constable held the station door open with one shoulder, his torch shaking across flaking tiles. “You weren’t joking about the location, ma’am.” “I never did.” “That bloke at the entrance took my dental filling.” Quinn looked back. The constable stood with one hand pressed to his cheek, pale beneath the grime. “He took what?” “Little silver bit. Said it counted as bone-adjacent currency.” The constable spat into a handkerchief. “I told him I was police. He charged me extra.” Quinn’s mouth tightened. “Get a receipt.” The passage widened into the station’s former ticket hall. Market stalls crowded the space beneath broken departure boards. Most had been covered with tarpaulins after the police tape went up, though a few sellers still watched from behind their goods: jars of teeth floating in green liquid, strings of black feathers, pale roots packed in salt, old books with their titles scraped away. Nobody spoke above a murmur. The body lay in the centre of the tiled floor, inside a white forensic tent that looked absurd against the market’s rusted lanterns and crawling candlelight. DC Pritchard crouched near the entrance, picking damp grit from the sole of his shoe. “Detective.” “Tell me you’ve kept the souvenir hunters away.” Pritchard glanced towards a stall where a woman with goat pupils examined a tray of knives. “I put tape up.” “And?” “And one of them asked if it was enchanted.” Quinn ducked beneath the tent flap. The victim lay on his back with his arms spread, as though he had fallen from a height. He wore an expensive charcoal suit, hand-stitched shoes, and a gold signet ring. His hair had been slicked away from a broad, bloodless forehead. A deep wound opened his throat from ear to ear, but the floor beneath his neck held no pool of blood. Only a thin black crust marked the tiles. A plastic evidence marker sat beside his right hand. 1: BRASS COMPASS. The object rested in an evidence tray. It had a small round casing, greened with verdigris, and a cracked glass face etched with symbols Quinn did not recognise. Its needle spun in a hard, frantic circle. Pritchard followed her gaze. “Market traders called it a Veil Compass. Points at doors to the other side, apparently.” “Apparently.” “One seller told me the victim stole it. Another told me the compass belonged to him and the seller had been holding it as collateral. They started shouting in three languages, then one of them grew horns.” Quinn crouched beside the body. The man’s pupils had widened until almost no iris showed. Dark blood had dried at his nostrils. His fingertips looked bruised, but the bruising formed narrow bands around each digit. “Name?” “Edward Vale. Forty-eight. Property developer. Two fraud investigations, neither stuck. He owned several buildings in Camden through shell companies.” “Which building?” Pritchard consulted his notebook. “Funny thing. This one.” Quinn looked past the tent, through the market stalls, towards the tiled walls of the abandoned station. “Vale owned the station?” “Bought the land lease four years ago. Planning records list it as sealed, structurally unsound, no public access. He applied to turn it into luxury storage units. Council rejected it.” “Who found him?” “The red-haired woman.” Pritchard nodded towards the edge of the tent. Eva Kowalski stood beneath a cracked route map, both hands hooked around the strap of her worn leather satchel. Her round glasses reflected the forensic lamps. Curly red hair had escaped its tie and gathered around her freckled face. She tucked a loose strand behind her left ear, then spotted Quinn watching. “You got here fast.” “Police cars had no trouble finding the place once someone told them where the door was.” Eva’s green eyes moved to the body. “I told the constable about the bone token. He laughed.” “Who gave you yours?” “A man selling bottled thunderstorms.” “Helpful.” “He had good stock.” Quinn stood. “You found Vale?” Eva stepped closer, stopping just outside the tent. “I came for the compass.” “Why?” “Because someone at the museum archives found an old catalogue entry. A Shade-made navigation tool, late nineteenth century. There were supposed to be three. One disappeared from a private collection in 1927. The other two were destroyed during the Blitz.” “And this one had been sitting under Camden?” “It had been moving around London. The Market moved with it. That was the rumour.” “You heard the rumour from whom?” Eva looked towards the stalls. “People who did not want their names written down.” “Then they will love this place.” Pritchard cleared his throat. “Cause of death looked straightforward. Throat cut. Murder weapon likely that curved blade in the gutter. Prints were useless. Handle’s wrapped in some kind of skin.” “Human?” The young detective looked at the knife bag. “Lab will tell us.” Eva leaned into the tent, squinting at the wound. “It wasn’t the blade.” Pritchard gave a short laugh, then stopped when Quinn looked at him. “What makes you say that?” Quinn asked. “The cut was clean, but it had sealed at the edges. Look. There’s no free blood. There should be blood everywhere.” Pritchard pointed at the black stain beneath Vale’s neck. “Blood’s there.” “That isn’t blood.” Eva’s fingers tightened around her satchel strap. “It’s ash.” Quinn crouched again. She did not touch the substance. It lay in a soft crescent under the victim’s head, too dry for fresh blood, fine as fireplace soot. A forensic technician had collected a sample but missed the pale grains mixed through it. “Pritchard, torch.” The beam struck the floor. Tiny white specks glittered inside the ash. Bone. Not fragments from a broken skull. Powder, sifted fine. Quinn looked at the body’s throat. The skin had split, but the shirt collar beneath the wound remained intact. No cut through the cotton. No blood soaking the expensive fabric. “Turn him carefully,” she told the technician. The technician looked to Pritchard. Pritchard looked to Quinn, then nodded. They rolled Vale onto his side. His back had no wounds. His shirt had been pressed that morning. A dark circular mark sat between his shoulder blades, visible through the thin fabric. Quinn drew closer. The mark had the shape of a compass face. Not burned onto the shirt. Burned from inside it. The fabric around it had shrunk and curled. Beneath the scorched threads, Vale’s skin showed a ring of symbols, each one raised and blackened. Eva made a quiet sound through her teeth. “That was a binding seal.” “English.” “Someone fixed him in one place. Not physically. More like…” Eva searched for the words, then shook her head. “They nailed his shadow down.” Pritchard stared at her. “Right. Fine. Great. We had a shadow nailer.” Quinn ignored him. The compass needle rattled in its tray, spinning faster. “Where was the compass when you found him?” she asked Eva. “In his hand.” “Not on the floor?” “No. His fingers were wrapped around it. I did not move it. I called the police.” Pritchard opened his notebook. “Witnesses backed that. A trader named Rook saw the victim clutching it when he came through the crowd. He thought Vale had cut himself.” “Rook saw the wound happen?” “No. He heard Vale shouting. Then everyone heard a noise. Like a train coming through the tunnel.” The dead station held its breath around them. Quinn studied Vale’s right hand. The fingers had been forced open by the scene-of-crime officer. Purple grooves ringed the skin near each knuckle. The compass sat too neatly in the evidence tray. The green patina had rubbed away in one bright arc along its rim. She held out a gloved hand. “Bag it separately. I want photographs of every side before anyone cleans it.” The technician lifted the tray. Quinn looked at the victim’s hand again. The grooves did not match the compass casing. They sat too far apart. Four narrow marks, evenly spaced, across the fingers. Like wire. “His hand was tied,” Quinn said. Pritchard frowned. “There was no cord.” “Not tied. Pulled.” Eva stepped nearer. “The compass needle points towards a rift.” “That was your claim.” “It is not a claim. It is the purpose of the object.” “Then point me at the nearest rift.” Eva looked at the compass. The needle spun. She looked at the dark tunnel beyond the tent. Then at the body. Then back to the compass. Her face lost colour. “It isn’t pointing anywhere because it is already at one.” Pritchard let out a breath. “Please don’t say the corpse is a portal.” “No.” Eva’s voice sharpened. “The corpse was used as a doorway.” Quinn stood very still. The throat wound. No damage to the shirt. Ash and bone dust where blood belonged. A seal burned through the man’s back. The absence of blood had bothered her from the moment she stepped into the tent, because a cut like that did not leave a body dry. Unless the wound had not been made by steel. Unless something had passed through him, taken what it needed, and left the shape of violence behind. Quinn walked to the tunnel wall. The old tiles bore a faded station name, most letters broken away. Beneath it, someone had painted a protective circle in white chalk. The circle had been scuffed by dozens of shoes, but one section remained untouched. A small wet footprint stood inside it. Bare. Human-sized. It pointed away from the tunnel. Quinn crouched beside the print. Water gathered in its heel and toes, clear enough to show the grit beneath. No matching trail crossed the floor. The footprint began inside the circle and ended there. “Pritchard.” He approached, notebook ready. “Who drew this?” “Market people. They said it kept out pickpockets.” “Ask them again.” Eva joined Quinn at the wall. Her satchel bumped softly against her hip. “That was not for pickpockets.” “No.” Quinn held out her hand without looking. Eva placed a small folding ruler in it from her satchel. Quinn measured the footprint, then looked back at Edward Vale’s polished shoes. She checked the sole of the right one. A chip had broken from the outer heel, leaving a sharp triangular gap. She returned to the wet print. The heel mark carried the same triangular gap. Pritchard watched her face. “That’s Vale’s shoe.” “Vale wore socks when we found him.” “He did.” “Then someone took his shoes off.” “Or Vale took them off before he died.” Quinn shook her head and pointed at the print. “The footprint faced out of the circle. Vale entered it barefoot.” Eva pressed her lips together. “He did not enter it alone.” “Why not?” “The chalk circle was a threshold ward. It only opened when something crossed from the other side.” Pritchard’s pen stopped moving. Quinn looked at Vale’s bare feet. Grey dust had gathered under his toenails. His left ankle bore a fresh scrape, as though someone had dragged him over rough ground. The right cuff of his trousers carried a thin stripe of red clay. Not the black railway filth under Camden. Not the pale mortar dust in the station. Red clay. She rubbed a grain between gloved fingers. It smelled of river water and iron. “Get samples from the tunnel, platform, every stall. Check Vale’s properties, too. I want every site with exposed red clay within an hour of London.” Pritchard blinked. “You think he came through somewhere else?” “I think he was brought here from somewhere else. His throat was opened after he arrived, but the killing started before that.” Eva’s eyes fixed on the compass, which had stopped spinning. The needle pointed across the ticket hall. Not towards the tunnel. Not towards the body. Straight at a locked iron service door behind a stall of bottled shadows.
created_at"2026-07-09T18:02:50.073Z" 7/9/2026, 6:02:50 PM
model"openai/gpt-5.6-terra-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency3171
moderation_latency(null)
generation_time35997
tokens_prompt1149
tokens_completion3479
native_tokens_prompt1009
native_tokens_completion2897
native_tokens_completion_images0
native_tokens_reasoning218
native_tokens_cached0
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
num_fetches(null)
web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
service_tier"default"
usage0.0459775
router(null)
provider_responses
0
endpoint_id"3cc89000-ae34-4dde-9c7d-5ce009c8af0b"
id"resp_019ad0e3099755ac016a4fe24a2b7081978c09dba8d3117a81"
is_byokfalse
latency217
model_permaslug"openai/gpt-5.6-terra-20260709"
provider_name"OpenAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.18.0; linux; x64))"
http_referer(null)
request_id"req-1783620170-Z73qtAAAZ8quheorpOFD"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783620170-RfCTD7vEqk58gQYOH8D6"
upstream_id"resp_019ad0e3099755ac016a4fe24a2b7081978c09dba8d3117a81"
total_cost0.0459775
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"
response_cache_source_id(null)
data_region"global"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags8
adverbTagCount1
adverbTags
0"Eva’s fingers tightened around [around]"
dialogueSentences92
tagDensity0.087
leniency0.174
rawRatio0.125
effectiveRatio0.022
92.64% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount2037
totalAiIsmAdverbs3
found
0
adverb"carefully"
count1
1
adverb"very"
count1
2
adverb"softly"
count1
highlights
0"carefully"
1"very"
2"softly"
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)
90.18% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount2037
totalAiIsms4
found
0
word"shattered"
count1
1
word"charged"
count1
2
word"etched"
count1
3
word"measured"
count1
highlights
0"shattered"
1"charged"
2"etched"
3"measured"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches1
maxInWindow1
found
0
label"let out a breath"
count1
highlights
0"let out a breath"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences160
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount0
narrationSentences160
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences244
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen45
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords2037
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions18
unquotedAttributions0
matches(empty)
43.78% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions72
wordCount1318
uniqueNames9
maxNameDensity2.12
worstName"Quinn"
maxWindowNameDensity3.5
worstWindowName"Quinn"
discoveredNames
Tube1
Harlow1
Quinn28
Pritchard17
Kowalski1
Vale6
Eva16
Edward1
Camden1
persons
0"Harlow"
1"Quinn"
2"Pritchard"
3"Kowalski"
4"Vale"
5"Eva"
6"Edward"
places(empty)
globalScore0.438
windowScore0.5
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences103
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount2037
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences244
matches
0"pressed that morning"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs180
mean11.32
std12.29
cv1.086
sampleLengths
022
19
26
312
447
57
63
79
83
914
103
1125
123
133
1463
155
1626
1715
181
198
2016
214
221
239
246
2571
269
273
2836
294
3015
311
3237
3335
341
3519
362
374
384
3917
404
4130
423
433
448
4552
464
4716
487
4910
92.11% Passive voice overuse
Target: ≤2% passive sentences
passiveCount6
totalSentences160
matches
0"been covered"
1"been slicked"
2"been pressed"
3"been forced"
4"been made"
5"been scuffed"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs212
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences244
ratio0
matches(empty)
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1323
adjectiveStacks0
stackExamples(empty)
adverbCount32
adverbRatio0.02418745275888133
lyAdverbCount5
lyAdverbRatio0.003779289493575208
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences244
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences244
mean8.35
std6.65
cv0.797
sampleLengths
022
19
22
32
42
512
620
78
819
97
103
119
123
1314
143
1515
1610
173
183
199
209
2145
225
2326
2415
251
268
2716
284
291
309
316
3218
3313
3411
3521
368
379
383
397
4021
418
424
4315
441
4537
465
4710
487
4913
50.96% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats9
diversityRatio0.32786885245901637
totalSentences244
uniqueOpeners80
68.03% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount3
totalSentences147
matches
0"Only a thin black crust"
1"Then at the body."
2"Then back to the compass."
ratio0.02
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount26
totalSentences147
matches
0"He wore an expensive charcoal"
1"His hair had been slicked"
2"It had a small round"
3"Its needle spun in a"
4"His fingertips looked bruised, but"
5"Her round glasses reflected the"
6"She tucked a loose strand"
7"She did not touch the"
8"It lay in a soft"
9"she told the technician"
10"They rolled Vale onto his"
11"His back had no wounds."
12"His shirt had been pressed"
13"she asked Eva"
14"She held out a gloved"
15"They sat too far apart."
16"She looked at the dark"
17"Her face lost colour."
18"It pointed away from the"
19"He approached, notebook ready."
ratio0.177
58.64% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount118
totalSentences147
matches
0"The old Tube platform smelled"
1"A hand-painted sign hung above"
2"Someone had added a fresh"
3"Quinn stepped over the shattered"
4"The second hand ticked through"
5"Quinn looked back."
6"The constable stood with one"
7"The constable spat into a"
8"Quinn’s mouth tightened."
9"The passage widened into the"
10"Nobody spoke above a murmur."
11"The body lay in the"
12"DC Pritchard crouched near the"
13"Pritchard glanced towards a stall"
14"Quinn ducked beneath the tent"
15"The victim lay on his"
16"He wore an expensive charcoal"
17"His hair had been slicked"
18"A deep wound opened his"
19"A plastic evidence marker sat"
ratio0.803
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences147
matches(empty)
ratio0
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences42
technicalSentenceCount2
matches
0"Behind her, a uniformed constable held the station door open with one shoulder, his torch shaking across flaking tiles."
1"The body lay in the centre of the tiled floor, inside a white forensic tent that looked absurd against the market’s rusted lanterns and crawling candlelight."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags8
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags5
fancyCount1
fancyTags
0"The constable spat (spit)"
dialogueSentences92
tagDensity0.054
leniency0.109
rawRatio0.2
effectiveRatio0.022
89.8775%