Run: 2026-02-17-01KHMPC82ETDBK25KQ6PVA3FP6

Run Details

Duration:
30.1s
Cost:
$0.016100
Provider:
OpenAI

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 stepped off the last rung of the rusted ladder, her boots landing with a soft thud on the damp concrete floor of the abandoned Tube station. The air was thick with the scent of mildew and something else—something metallic and sharp that set her instincts on edge. She paused, adjusting the collar of her coat against the chill that seemed to seep from the very walls, and took in the scene before her. The Veil Market, usually a bustling hub of clandestine activity, lay eerily silent. Stalls that once brimmed with enchanted trinkets and forbidden potions stood empty, their wares hastily abandoned. The only movement came from the flickering shadows cast by the dim, sputtering lights strung haphazardly along the ceiling. Harlow's sharp brown eyes scanned the area, noting the signs of a hasty evacuation—overturned crates, scattered papers, and a lone shoe lying forlornly in the middle of the walkway. "Detective Quinn," a voice called out, echoing off the tiled walls. Harlow turned to see Eva Kowalski emerging from the shadows, her curly red hair a vivid contrast against the gloom. Eva adjusted her round glasses, a nervous habit that Harlow had come to recognize as a sign of unease. The worn leather satchel slung across her shoulder bulged with books, its weight pulling her slightly off balance. "Eva," Harlow acknowledged, her voice steady. "What have we got?" Eva hesitated, tucking a stray curl behind her ear. "It's... strange, Harlow. The Market was in full swing last night, and then—nothing. Everyone's gone. But that's not the half of it." She gestured for Harlow to follow, leading her deeper into the station. They passed through a narrow archway, the walls lined with faded posters from a bygone era. The room beyond was larger, its ceiling lost in shadow. In the center, a circle of salt had been meticulously laid out, its edges sharp and unbroken. At its heart lay a small brass compass, its casing tarnished with verdigris, the needle spinning lazily in circles. "The Veil Compass," Eva explained, her voice barely above a whisper. "It was found here, untouched. But look at the markings." Harlow crouched beside the compass, her eyes narrowing as she examined the sigils etched into its face. They were familiar, protective symbols meant to ward off malevolent forces. Yet something about them seemed off, as if they had been altered or tampered with. "These sigils," Harlow murmured, tracing a finger over the intricate lines. "They're not right. Someone's tried to change them." Eva nodded, her expression troubled. "That's what I thought. But why? And why leave the compass here, of all places?" Harlow rose, her mind racing. The Veil Compass was a tool of immense value, capable of detecting supernatural rifts and portals. Leaving it behind made no sense—unless it was meant to be found. "Someone wanted us to see this," Harlow concluded, her voice firm. "But why? And what happened to the Market?" Eva shifted, her eyes darting to the shadows. "There's more. I found traces of blood near the entrance. Not much, but enough to suggest a struggle." Harlow's jaw tightened, memories of her partner, DS Morris, flashing unbidden through her mind. She pushed them aside, focusing on the task at hand. "Show me." They retraced their steps, the silence pressing in around them. Near the entrance, Eva pointed to a dark stain on the floor, barely visible in the dim light. Harlow knelt, examining the area with a practiced eye. The blood was fresh, the droplets scattered in a pattern that suggested a violent encounter. "Whoever it was, they didn't go quietly," Harlow observed, rising to her feet. "But there's no body, no sign of where they went." Eva nodded, her expression grim. "It's like they vanished into thin air." Harlow's mind worked furiously, piecing together the fragments of evidence. The altered sigils, the abandoned compass, the traces of blood—it all pointed to something larger, something that defied easy explanation. She glanced at Eva, noting the tension in her friend's posture. "Eva, you know more about this world than I do. What could cause something like this?" Eva hesitated, her eyes flicking to the compass. "There are... stories. Of rifts that open unexpectedly, swallowing everything in their path. But they're just that—stories." Harlow considered this, her instincts telling her there was more to the tale. "And if they're not just stories? If someone wanted to open a rift here, why?" Eva shook her head, frustration evident in her voice. "I don't know, Harlow. But whatever it is, it's dangerous. We need to be careful." Harlow nodded, her resolve hardening. She had lost one partner to the unknown; she wouldn't lose another friend. "We'll figure it out, Eva. But first, we need to find out who was here last night and what they were after." They spent the next hour combing through the Market, searching for any clue that might shed light on the mystery. Harlow's sharp eyes missed nothing, cataloging every detail, every anomaly. Yet the more they found, the more questions arose. As they worked, Harlow couldn't shake the feeling that they were being watched. The shadows seemed to shift and dance at the edges of her vision, and the air was thick with a tension that set her nerves on edge. She kept her hand close to her sidearm, ready for anything. Finally, as they stood once more in the center of the Market, Eva spoke, her voice low and urgent. "Harlow, look at this." She held out a small object, its surface gleaming dully in the dim light. It was a bone token, the kind used to gain entry to the Market. But this one was different, its surface etched with the same altered sigils as the compass. Harlow took the token, her mind racing. "This is it, Eva. This is what they were after." Eva frowned, confusion clouding her features. "But why? What does it mean?" Harlow turned the token over in her hand, the weight of it heavy with implications. "I don't know yet. But I intend to find out." As they made their way back to the surface, Harlow's mind was a whirlwind of possibilities. The evidence didn't add up, but she was determined to unravel the truth. Whatever had happened in the Veil Market, it was only the beginning. And she would be ready for whatever came next.
created_at"2026-02-17T02:20:57.368926+00:00" 2/17/2026, 2:20:57 AM
model"openai/gpt-4o-2024-08-06"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency424
moderation_latency(null)
generation_time29989
tokens_prompt923
tokens_completion1625
native_tokens_prompt836
native_tokens_completion1401
native_tokens_completion_images(null)
native_tokens_reasoning0
native_tokens_cached0
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"stop"
usage0.0161
router(null)
provider_responses
0
id"chatcmpl-DA4zKcY4vCQNi5MIaVFNvE49uuWJa"
status200
is_byokfalse
latency402
endpoint_id"9d15935a-34e6-4a5e-a5bc-c7dda213e876"
provider_name"OpenAI"
model_permaslug"openai/gpt-4o-2024-08-06"
api_type"completions"
id"gen-1771294826-65LIcovggYa4CWpmVYvI"
upstream_id"chatcmpl-DA4zKcY4vCQNi5MIaVFNvE49uuWJa"
total_cost0.0161
cache_discount(null)
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
totalTags7
adverbTagCount0
adverbTags(empty)
dialogueSentences25
tagDensity0.28
leniency0.56
rawRatio0
effectiveRatio0
81.33% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1071
totalAiIsmAdverbs4
found
0
adverb"very"
count1
1
adverb"slightly"
count1
2
adverb"lazily"
count1
3
adverb"barely above a whisper"
count1
highlights
0"very"
1"slightly"
2"lazily"
3"barely above a whisper"
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)
0.00% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1071
totalAiIsms24
found
0
word"chill"
count1
1
word"clandestine"
count1
2
word"scanned"
count1
3
word"echoing"
count1
4
word"gloom"
count1
5
word"weight"
count2
6
word"whisper"
count1
7
word"etched"
count2
8
word"familiar"
count1
9
word"tracing"
count1
10
word"intricate"
count1
11
word"racing"
count2
12
word"silence"
count1
13
word"encounter"
count1
14
word"tension"
count2
15
word"resolve"
count1
16
word"dance"
count1
17
word"gleaming"
count1
18
word"determined"
count1
19
word"unravel"
count1
highlights
0"chill"
1"clandestine"
2"scanned"
3"echoing"
4"gloom"
5"weight"
6"whisper"
7"etched"
8"familiar"
9"tracing"
10"intricate"
11"racing"
12"silence"
13"encounter"
14"tension"
15"resolve"
16"dance"
17"gleaming"
18"determined"
19"unravel"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches2
maxInWindow1
found
0
label"air was thick with"
count2
highlights
0"The air was thick with"
1"the air was thick with"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences62
matches(empty)
73.73% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount3
narrationSentences62
filterMatches(empty)
hedgeMatches
0"seemed to"
1"try to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences80
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen36
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1065
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions11
unquotedAttributions1
matches
0"Finally, as they stood once more in the center of the Market, Eva spoke, her voice low and urgent."
22.73% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions47
wordCount825
uniqueNames9
maxNameDensity2.55
worstName"Harlow"
maxWindowNameDensity4
worstWindowName"Harlow"
discoveredNames
Harlow21
Quinn1
Tube1
Veil3
Market5
Eva13
Kowalski1
Compass1
Morris1
persons
0"Harlow"
1"Quinn"
2"Eva"
3"Kowalski"
4"Morris"
places
0"Veil"
1"Market"
2"Compass"
globalScore0.227
windowScore0.333
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences56
glossingSentenceCount1
matches
0"chill that seemed to seep from the very walls, and took in the scene before her"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.939
wordCount1065
matches
0"Not much, but enough to suggest a struggle"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences80
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs31
mean34.35
std18.34
cv0.534
sampleLengths
076
177
268
310
443
562
621
743
819
920
1033
1119
1226
1326
1452
1523
1612
1741
1816
1925
2028
2124
2240
2339
2451
2523
2644
2717
2812
2925
3050
88.29% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences62
matches
0"been altered"
1"was meant"
2"was determined"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount1
totalVerbs142
matches
0"were being"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount4
semicolonCount1
flaggedSentences5
totalSentences80
ratio0.063
matches
0"The air was thick with the scent of mildew and something else—something metallic and sharp that set her instincts on edge."
1"Harlow's sharp brown eyes scanned the area, noting the signs of a hasty evacuation—overturned crates, scattered papers, and a lone shoe lying forlornly in the middle of the walkway."
2"Leaving it behind made no sense—unless it was meant to be found."
3"The altered sigils, the abandoned compass, the traces of blood—it all pointed to something larger, something that defied easy explanation."
4"She had lost one partner to the unknown; she wouldn't lose another friend."
99.58% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount829
adjectiveStacks0
stackExamples(empty)
adverbCount22
adverbRatio0.026537997587454766
lyAdverbCount17
lyAdverbRatio0.020506634499396863
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences80
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences80
mean13.31
std6.12
cv0.46
sampleLengths
029
121
226
313
416
519
629
711
820
919
1018
116
124
139
1434
1516
1610
1717
1819
1911
2010
2117
2211
2315
2411
258
265
2715
285
2916
3012
3111
328
338
3418
3514
3610
372
3810
3918
409
4115
4213
4310
445
457
4610
4720
4811
4916
57.08% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats1
diversityRatio0.35
totalSentences80
uniqueOpeners28
53.76% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount1
totalSentences62
matches
0"Finally, as they stood once"
ratio0.016
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount12
totalSentences62
matches
0"She paused, adjusting the collar"
1"She gestured for Harlow to"
2"They passed through a narrow"
3"They were familiar, protective symbols"
4"She pushed them aside, focusing"
5"They retraced their steps, the"
6"She glanced at Eva, noting"
7"She had lost one partner"
8"They spent the next hour"
9"She kept her hand close"
10"She held out a small"
11"It was a bone token,"
ratio0.194
48.71% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount51
totalSentences62
matches
0"Detective Harlow Quinn stepped off"
1"The air was thick with"
2"She paused, adjusting the collar"
3"The Veil Market, usually a"
4"Stalls that once brimmed with"
5"The only movement came from"
6"Harlow's sharp brown eyes scanned"
7"a voice called out, echoing"
8"Harlow turned to see Eva"
9"Eva adjusted her round glasses,"
10"The worn leather satchel slung"
11"Harlow acknowledged, her voice steady"
12"Eva hesitated, tucking a stray"
13"She gestured for Harlow to"
14"They passed through a narrow"
15"The room beyond was larger,"
16"Eva explained, her voice barely"
17"Harlow crouched beside the compass,"
18"They were familiar, protective symbols"
19"Harlow murmured, tracing a finger"
ratio0.823
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences62
matches(empty)
ratio0
91.84% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences42
technicalSentenceCount3
matches
0"She paused, adjusting the collar of her coat against the chill that seemed to seep from the very walls, and took in the scene before her."
1"The altered sigils, the abandoned compass, the traces of blood—it all pointed to something larger, something that defied easy explanation."
2"They spent the next hour combing through the Market, searching for any clue that might shed light on the mystery."
0.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags7
uselessAdditionCount3
matches
0"Harlow acknowledged, her voice steady"
1"Eva explained, her voice barely above a whisper"
2"Harlow concluded, her voice firm"
0.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags6
fancyCount6
fancyTags
0"a voice called out (call out)"
1"Harlow acknowledged (acknowledge)"
2"Eva explained (explain)"
3"Harlow murmured (murmur)"
4"Harlow concluded (conclude)"
5"Harlow observed (observe)"
dialogueSentences25
tagDensity0.24
leniency0.48
rawRatio1
effectiveRatio0.48
73.9014%