Run: 2026-05-10-01KR8W3Z6PJRQKKN2C5KY99D2A

Run Details

Model:
Grok 4.3
Duration:
25.2s
Cost:
$0.005153
Provider:
xAI

Model input

System
You are an expert novelist with a gift for vivid, immersive prose. You write in tight third-person limited point of view with a strong narrative voice. Your prose is clean, precise, and engaging — you favor strong verbs, concrete details, and natural-sounding dialogue. You will be given a story bible (codex) containing canonical details about characters, locations, items, and lore. Use these details to ground your writing in the established world. Stay consistent with the codex. Write only the prose of the scene. Do not include titles, chapter headings, markdown formatting, or any commentary before or after the scene.
User/Human
<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> 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.

Model response

AI
Detective Harlow Quinn descended the rusted maintenance stairs two at a time, her leather-soled shoes scraping grit from the concrete. The abandoned Camden Tube station exhaled cold, metallic air that carried the faint tang of copper and something sweeter beneath it. She stopped on the last step and let her gaze sweep the platform: sodium-yellow emergency lights flickered along the tiled walls, throwing uneven shadows across the curved tunnel mouth. A single body lay face-down near the center of the platform, arms splayed as though the victim had been trying to catch his balance. No blood trail. No obvious impact marks on the concrete. And, most damning of all, no footsteps. Quinn’s wristwatch—worn leather, edges softened by years of friction—caught the light when she checked the time. 02:17. She had been called forty minutes earlier by uniform who sounded like they would rather be anywhere else. Two constables in hi-vis jackets stood at the far end of the platform, their flashlights cutting thin white cones into the dark. Between them, Sergeant Patel shifted his weight from one foot to the other, notebook open but pen unmoving. Quinn approached the body without speaking first. The victim wore a charcoal overcoat, tailored, expensive. One sleeve had ridden up to reveal a pale forearm marked with what looked at first like a series of parallel scratches; closer inspection showed them to be faint symbols, shallow and precise as though a stylus had been pressed against skin while the man still lived. Quinn crouched, careful not to let her jacket brush the damp concrete. She lifted the cuff with a gloved thumb and forefinger. The symbols were still warm. “Looks like he fell from the upper gantry,” Patel offered, voice echoing. “Maintenance crew left the access hatch open last week. Wind up there could have caught him.” Quinn didn’t straighten. “No blood spatter on the tiles,” she said. “No defensive wounds on the palms. And his coat is buttoned to the throat.” She stood, eyes moving to the gantry above. The metal railing was intact; no bent or broken section, no scrape of metal on metal. “If he dropped, he landed flat. That’s not how a live body falls. That’s how something already dead is placed.” Patel cleared his throat. “Forensics is on the way. They’ll sort it.” She nodded once, a short military cut of the chin, then stepped around the corpse to study the nearest wall. A thin line of soot traced along the grout between two white tiles, as though something hot and narrow had brushed there. She followed the line with her eyes until it disappeared behind a disused vending machine half-torn from its bolts. The machine’s glass front was spider-webbed but not shattered outward; the damage ran inward, as if pressure had been applied from the platform side. Quinn placed her palm flat against the glass and felt residual warmth. A ripple of movement at the tunnel mouth drew her attention. At first she thought it was a trick of the failing lights, but the air itself seemed to thicken for half a second before settling again. The faint smell of iron grew stronger. Quinn’s hand brushed the leather strap of her watch unconsciously, a habit from years of checking pulse points in the field. She looked back at Patel. His pen was finally moving, but she noticed it traced the same line twice without adding new detail. The body’s left hand lay palm-up now that she had shifted the coat sleeve. Between the index and middle finger rested a small brass object no larger than a tuppenny coin. Quinn retrieved it with tweezers from her pocket and held it to the light. A compass, verdigris patina on the casing, needle immobile. Etched into the glass face were interlocking circles she recognized from a folder of occult case files she had read and then filed under “not yet explainable.” The needle did not point north. It pointed, unwavering, toward the tunnel mouth. “You see that?” Patel asked, stepping closer. His tone had the careful neutrality of someone offering an explanation they hoped would be accepted. “Probably a souvenir. Tourists pick that sort of junk up at the market stalls near the British Museum. Could’ve fallen out of his pocket when he—” “Which market stalls?” Quinn interrupted, sharp but quiet. Patel blinked. “The tourist ones. You know. Brass trinkets, fake runes. Stuff like that.” She turned the compass in her gloved fingers. The needle held its impossible direction even when she rotated the casing. “This one isn’t a souvenir.” She tucked it into an evidence bag and sealed it, then glanced once more at the symbols on the victim’s wrist. The lines had darkened slightly, as though ink were rising through the skin rather than having been laid on top of it. Quinn straightened, her 5'9" frame casting a long shadow across the platform. The constables had moved nearer, drawn by the quiet tension. She walked to the vending machine and pushed it aside with one shoulder. Behind it, a narrow service door stood ajar, its frame split as though struck from the inside. Quinn shone her torch into the opening. A set of stairs spiraled downward, the steps slick with condensation and something darker that left no footprints when she tested the first tread. Halfway down she paused, listening. Far below, the sound of water moving through an unseen channel echoed like breath through a flute. She returned to the platform. “Dispatch said the call came from a maintenance worker,” she said to Patel. “Where is he now?” “Taken to hospital. Shock.” Patel scratched behind his ear with the back of his pen. “Said he heard a scream, came down, found the body exactly like that. No one else around.” Quinn studied the platform again. The tiles near the body were dry except for a faint ring of moisture around the man’s outline. As if he had been lowered from above and the cold, wet stone of some other place had clung to him for a moment before evaporating. She looked up once more at the gantry. A single filament of something metallic glinted from the railing joint—a thread so fine it would have been invisible without the low angle of her torch. She pulled a pair of plastic steps from the forensics kit left against the wall and climbed. At the top she ran her fingers along the joint. The thread was hair-fine wire coated in a black resin that smelled faintly of scorched bone. It snapped when she tugged it, leaving a residue on her glove that burned cold. Quinn descended again, slower. Patel watched her. “You’re thinking staged?” “I’m thinking the fall didn’t happen here,” Quinn said. She crouched once more beside the body and opened the overcoat fully. Inside, the lining bore a single embroidered sigil at the breast pocket, identical to the ones now darkening on the wrist. She stood, voice low enough that only Patel could hear. “Whoever placed him wanted us to see an accident. They didn’t count on the compass still pointing to where they came from.” The lights along the platform guttered, then steadied. For a brief moment the air at the tunnel mouth seemed to ripple again, and the compass in its evidence bag gave a single, almost imperceptible click before the needle swung back to its original, unnatural bearing. Quinn slipped the bag into her inside pocket. She met Patel’s eyes, held them until he looked away first. “Seal the platform,” she said. “No one touches anything until I decide what this isn’t.” She turned toward the stairs, the leather watchband creaking once against her skin as she checked the time again. She had eighteen years of cases that made sense only after the fact, and one more case that refused to fit any pattern she had learned to trust. The body remained still, the symbols on its wrist now almost black. Somewhere far below, the water kept breathing through the dark.
created_at"2026-05-10T11:59:46.399Z" 5/10/2026, 11:59:46 AM
model"x-ai/grok-4.3-20260430"
app_id182717
external_user(null)
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cancelledfalse
latency556
moderation_latency(null)
generation_time25060
tokens_prompt923
tokens_completion2029
native_tokens_prompt932
native_tokens_completion1622
native_tokens_completion_images(null)
native_tokens_reasoning0
native_tokens_cached64
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"
usage0.0051528
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provider_responses
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is_byokfalse
latency138
model_permaslug"x-ai/grok-4.3-20260430"
provider_name"xAI"
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request_id"req-1778414386-555PTiCSdJgf1xdULx9L"
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Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags14
adverbTagCount0
adverbTags(empty)
dialogueSentences21
tagDensity0.667
leniency1
rawRatio0
effectiveRatio0
96.26% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1337
totalAiIsmAdverbs1
found
0
adverb"slightly"
count1
highlights
0"slightly"
80.00% AI-ism character names
Target: 0 AI-default names (17 tracked, −20% each)
codexExemptions(empty)
found
0"Patel"
100.00% AI-ism location names
Target: 0 AI-default location names (33 tracked, −20% each)
codexExemptions(empty)
found(empty)
47.64% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1337
totalAiIsms14
found
0
word"flickered"
count1
1
word"footsteps"
count1
2
word"weight"
count1
3
word"echoing"
count1
4
word"traced"
count2
5
word"shattered"
count1
6
word"warmth"
count1
7
word"pulse"
count1
8
word"etched"
count1
9
word"unwavering"
count1
10
word"long shadow"
count1
11
word"tension"
count1
12
word"echoed"
count1
highlights
0"flickered"
1"footsteps"
2"weight"
3"echoing"
4"traced"
5"shattered"
6"warmth"
7"pulse"
8"etched"
9"unwavering"
10"long shadow"
11"tension"
12"echoed"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches0
maxInWindow0
found(empty)
highlights(empty)
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences61
matches(empty)
72.60% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount2
narrationSentences61
filterMatches
0"watch"
hedgeMatches
0"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences67
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen88
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1334
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions7
unquotedAttributions0
matches(empty)
83.51% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions29
wordCount1128
uniqueNames6
maxNameDensity1.33
worstName"Quinn"
maxWindowNameDensity2
worstWindowName"Quinn"
discoveredNames
Harlow1
Quinn15
Camden1
Tube1
Sergeant1
Patel10
persons
0"Harlow"
1"Quinn"
2"Sergeant"
3"Patel"
places(empty)
globalScore0.835
windowScore1
95.65% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences46
glossingSentenceCount1
matches
0"sounded like they would rather be anywhere"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1334
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences67
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs21
mean63.52
std39.1
cv0.616
sampleLengths
0146
1129
228
369
412
597
688
794
849
98
1014
1190
1288
1317
1432
1583
1662
176
1874
1964
2084
76.50% Passive voice overuse
Target: ≤2% passive sentences
passiveCount5
totalSentences61
matches
0"been called"
1"been pressed"
2"been applied"
3"been laid"
4"been lowered"
95.83% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount3
totalVerbs192
matches
0"was finally moving"
1"were interlocking"
2"were rising"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount3
semicolonCount3
flaggedSentences5
totalSentences67
ratio0.075
matches
0"Quinn’s wristwatch—worn leather, edges softened by years of friction—caught the light when she checked the time."
1"One sleeve had ridden up to reveal a pale forearm marked with what looked at first like a series of parallel scratches; closer inspection showed them to be faint symbols, shallow and precise as though a stylus had been pressed against skin while the man still lived."
2"The metal railing was intact; no bent or broken section, no scrape of metal on metal."
3"The machine’s glass front was spider-webbed but not shattered outward; the damage ran inward, as if pressure had been applied from the platform side."
4"Quinn studied the platform again. The tiles near the body were dry except for a faint ring of moisture around the man’s outline. As if he had been lowered from above and the cold, wet stone of some other place had clung to him for a moment before evaporating. She looked up once more at the gantry. A single filament of something metallic glinted from the railing joint—a thread so fine it would have been invisible without the low angle of her torch."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount752
adjectiveStacks0
stackExamples(empty)
adverbCount22
adverbRatio0.02925531914893617
lyAdverbCount4
lyAdverbRatio0.005319148936170213
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences67
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences67
mean19.91
std19.13
cv0.961
sampleLengths
020
121
229
324
43
57
67
716
81
918
1022
1118
127
138
1447
1512
1610
175
1812
1916
203
218
2222
2316
2420
254
268
2720
2822
2919
3024
3112
3211
3326
347
3521
365
3718
3814
3917
4014
419
4233
437
447
4516
4626
478
482
4912
70.20% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats2
diversityRatio0.4393939393939394
totalSentences66
uniqueOpeners29
0.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount0
totalSentences58
matches(empty)
ratio0
95.86% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount18
totalSentences58
matches
0"She stopped on the last"
1"She had been called forty"
2"She lifted the cuff with"
3"She stood, eyes moving to"
4"She nodded once, a short"
5"She followed the line with"
6"She looked back at Patel."
7"His pen was finally moving,"
8"It pointed, unwavering, toward the"
9"His tone had the careful"
10"She turned the compass in"
11"She tucked it into an"
12"She walked to the vending"
13"she said to Patel"
14"he heard a scream, came"
15"She pulled a pair of"
16"They didn’t count on the"
17"she said. She turned toward"
ratio0.31
46.21% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount48
totalSentences58
matches
0"Detective Harlow Quinn descended the"
1"The abandoned Camden Tube station"
2"She stopped on the last"
3"A single body lay face-down"
4"Quinn’s wristwatch—worn leather, edges softened"
5"She had been called forty"
6"Quinn approached the body without"
7"The victim wore a charcoal"
8"Quinn crouched, careful not to"
9"She lifted the cuff with"
10"The symbols were still warm."
11"Patel offered, voice echoing"
12"Quinn didn’t straighten."
13"She stood, eyes moving to"
14"The metal railing was intact;"
15"Patel cleared his throat."
16"She nodded once, a short"
17"A thin line of soot"
18"She followed the line with"
19"The machine’s glass front was"
ratio0.828
86.21% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences58
matches
0"And, most damning of all,"
ratio0.017
0.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences31
technicalSentenceCount8
matches
0"The abandoned Camden Tube station exhaled cold, metallic air that carried the faint tang of copper and something sweeter beneath it."
1"A single body lay face-down near the center of the platform, arms splayed as though the victim had been trying to catch his balance."
2"One sleeve had ridden up to reveal a pale forearm marked with what looked at first like a series of parallel scratches; closer inspection showed them to be fain…"
3"A thin line of soot traced along the grout between two white tiles, as though something hot and narrow had brushed there."
4"The machine’s glass front was spider-webbed but not shattered outward; the damage ran inward, as if pressure had been applied from the platform side."
5"She walked to the vending machine and pushed it aside with one shoulder. Behind it, a narrow service door stood ajar, its frame split as though struck from the …"
6"Quinn studied the platform again. The tiles near the body were dry except for a faint ring of moisture around the man’s outline. As if he had been lowered from …"
7"She pulled a pair of plastic steps from the forensics kit left against the wall and climbed. At the top she ran her fingers along the joint. The thread was hair…"
17.86% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags14
uselessAdditionCount3
matches
0"Patel offered, voice echoing"
1"She stood, eyes moving to the gantry above"
2"Quinn interrupted, sharp but quiet"
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags6
fancyCount1
fancyTags
0"Quinn interrupted (interrupt)"
dialogueSentences21
tagDensity0.286
leniency0.571
rawRatio0.167
effectiveRatio0.095
78.8113%