Run: 2026-02-17-01KHMQQC6ZH2R6W0SPZVRCVY8N

Run Details

Duration:
8.3s
Cost:
$0.000589
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="4417" name="Tomás Herrera" aliases="Tommy, Tomás, Herrera" pronouns="he/him" species="Human" storyRole="Support"> <eyeColor>warm brown</eyeColor> <hair>short curly dark brown</hair> <height>5'10"</height> <age>29</age> <skinTone>olive skin</skinTone> <scar>scar running along his left forearm from a knife attack</scar> <medallion>Saint Christopher medallion around his neck</medallion> <birthplace>Seville, Spain</birthplace> <description>A former paramedic who provides off-the-books medical care for the clique.</description> <backstory>Born in Seville, Spain. He moved to London to work for the NHS but lost his license after administering unauthorized treatments to supernatural patients.</backstory> </character> <location id="854" name="The Raven's Nest" aliases="the Nest, Raven, Silas' bar" realm="Earth"> <signColor>distinctive green neon sign above the entrance</signColor> <secretRoom>hidden back room accessible through a bookshelf, used for clandestine meetings</secretRoom> <description>A dimly lit bar in Soho, London. The walls are covered with old maps and black-and-white photographs.</description> </location> <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> </codex> Write a fully fleshed out scene of at least 1000 words in the thriller genre. A detective is pursuing a suspect through rain-soaked city streets at night. The chase takes them from the street level down into an underground market. The detective must decide whether to follow the suspect into unfamiliar and potentially dangerous territory. 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
The rain hammered down in relentless sheets, turning the slick pavement into a mirror for the neon signs flickering overhead. Detective Harlow Quinn’s breaths came in sharp, controlled bursts as she darted through the soaked streets, her boots splashing through puddles that shimmered like fractured glass. Somewhere ahead, her suspect—a dark figure slipping between shadows—had just vanished into an alley shrouded in gloom. Quinn’s sharp jaw clenched as she pressed forward, the worn leather watch on her wrist catching glints of neon. She kept her eyes fixed on the fleeting silhouette, her military precision guiding every step. She knew this city, knew its secrets, but tonight, something lurked beneath its familiar veneer. Something she couldn’t quite identify. The suspect’s coat turned a quick corner, and she followed with deliberate urgency. Beyond the alley, the flickering glow of a green neon sign beckoned—a sign she’d seen many times but never during a pursuit. As she crossed the threshold, rain still pounding overhead, she found herself at the entrance of The Raven’s Nest. The bar’s interior was dim, thick with the scent of stale smoke and spilled beer. Walls lined with old maps and black-and-white photographs revealed a history both celebrated and shrouded in darkness. Quinn’s eyes immediately searched for her quarry, but the place felt too quiet, too apart from the chaos of the city. She hesitated, knowing this wasn’t just a bar. It was a nexus—a place where secrets steamed beneath the surface, hidden behind layers of alcohol and lies. A glance around told her the suspect hadn’t entered, or perhaps had already slipped through some other door. She looked for evidence—something, anything—that could give her a lead. Her gaze flicked to the back room, concealed behind a bookshelf. The secret door was a known feature—an aperture for those in the know, a portal into the clandestine world that thrived beneath the city’s surface. Surveillance cameras or alarms didn’t seem to catch fear or hesitation—just her own sharp focus. The rain’s relentless drumming seemed to echo through her ears, but she felt a strange pull, a prickling of instinct. The suspect was slipping into something darker, something off the map. Her hand rested lightly on her holster, fingers tensing against the cool leather. She drew a deep breath, knowing she had a choice: follow him into the depths, into the underground market she’d heard whispers of, or hold her ground here. Instead of lingering, she moved toward the hidden door. Her hand brushed the bookshelf, pressing aside the thick volumes until she found the lever or latch—something that would reveal the secret pathway. As her fingers curled around the wood, her watch beeped softly, a faint signal from the back of her mind. She hesitated again, torn. She remembered Morris—his face, his voice—lost in the darkness of that unexplained incident. She wasn’t sure if she was chasing shadows or real threats anymore. The air in the narrow passage was thick and damp, carrying a metallic tang. Quinn’s boots echoed softly as she descended into the underground labyrinth. The darkness was absolute, save for the faint glow of bioluminescent fungi clinging to damp concrete walls. The tunnel twisted and curved, leading her away from the bar’s familiar comfort toward a place shrouded in secrecy. She kept her steps measured, senses finely tuned, her eyes adjusting to the shadows. Somewhere ahead, her suspect’s silhouette might be hidden behind crates or stacked goods, maybe even in the act of trading illicit artifacts or supernatural relics. The network beneath the city was a spider’s web—full of danger, full of betrayal. In the corner of her mind, she weighed her options. If she entered the market, she was stepping into a world unfamiliar and unpredictable. The underground market—The Veil Market—moved every full moon, its location hidden behind a bone token, its schematics known only to those who traded in the shadows. It was a dangerous place, inhabited by entities equally comfortable in the dark—banned alchemical substances, enchanted objects, secrets so deadly they could destroy. But her suspect—struggling to escape, desperate—needed her. Or she needed him. Yet, she knew that if she followed into the market, her questions might never be answered. She would be swimming in a flood of supernatural currents, where friends were foes and nothing was clear. The echo of her own breathing sounded loud in her ears as she paused at a junction, glimpsing faint images—glinting metal, shadows darting just beyond her sight. Her hand hovered over her weapon, steadying herself. The rain’s voice was distant now—an unwelcome lullaby to the chaos inside her head. A faint shuffling noise drew her attention, and she turned toward it with the grace of a predator. Her eyes caught a flicker—a movement—just at the edge of her vision. The suspect. She recognized the quick, nervous dart of his figure, slipping behind a cargo container. She considered her options, weighing the risk of rushing him or waiting for him to reveal himself. The underground market awaited, a place where monsters cloaked themselves in human guise, where danger lurked behind each booth and alleyway. And yet, her instinct—her reckoning—told her she had to follow. Drawing a sharp breath, Quinn stepped forward, her boots muffling her approach. The sound of her own heartbeat thudded against the damp stone as she moved through the shadows, into the belly of the beast. Somewhere in this darkness was her suspect, and somewhere beyond, the truth that had eluded her for years—an echo of Morris’ last case, of supernatural forces she still didn’t fully grasp. She didn’t know what lay ahead, but she knew she couldn’t turn back now. Every step rooted her deeper into the night’s abyss, into a city hiding its darkest secrets beneath rain and neon light. The suspect’s figure paused, hesitant. Quinn’s hand tightened on her weapon, her eyes narrowing as she prepared to confront whatever haunted this underground world—because tonight, she wasn’t just chasing a man. She was chasing darkness itself.
created_at"2026-02-17T02:44:08.641714+00:00" 2/17/2026, 2:44:08 AM
model"openai/gpt-4.1-nano-2025-04-14"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency363
moderation_latency(null)
generation_time8125
tokens_prompt914
tokens_completion1607
native_tokens_prompt811
native_tokens_completion1270
native_tokens_completion_images0
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"completed"
usage0.0005891
router(null)
provider_responses
0
id"resp_063232f56f4499cd016993d5efed00819090240360886551de"
status200
is_byokfalse
latency160
endpoint_id"9251cee5-5503-4be9-9439-7ae21ff062a3"
provider_name"OpenAI"
model_permaslug"openai/gpt-4.1-nano-2025-04-14"
api_type"completions"
id"gen-1771296239-p5BapecN2K6cJ8IuesP4"
upstream_id"resp_063232f56f4499cd016993d5efed00819090240360886551de"
total_cost0.0005891
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"

Evaluation details

Result Evaluator Details Meta Data
100.0000% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags0
adverbTagCount0
adverbTags(empty)
70.6170% AI-ism adverb frequency
Target: <1% AI-ism adverbs (57 tracked)
wordCount1021
totalAiIsmAdverbs3
found
0
adverb"lightly"
count1
1
adverb"softly"
count2
highlights
0"lightly"
1"softly"
100.0000% AI-ism character names
Target: 0 AI-default names (17 tracked, −20% each)
codexExemptions(empty)
found(empty)
100.0000% AI-ism location names
Target: 0 AI-default location names (33 tracked, −20% each)
codexExemptions(empty)
found(empty)
0.0000% AI-ism word frequency
Target: <1% AI-ism words (140 tracked)
wordCount1021
totalAiIsms11
found
0
word"flicker"
count1
1
word"flicked"
count1
2
word"shimmered"
count1
3
word"glinting"
count1
4
word"clandestine"
count1
5
word"fractured"
count1
6
word"jaw clenched"
count1
7
word"echo"
count3
8
word"echoed"
count1
highlights
0"flicker"
1"flicked"
2"shimmered"
3"glinting"
4"clandestine"
5"fractured"
6"jaw clenched"
7"echo"
8"echoed"
100.0000% Cliche density
Target: ≤1 cliche(s) per 800-word window
totalCliches1
maxInWindow1
found
0
label"jaw/fists clenched"
count1
highlights
0"jaw clenched"
100.0000% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences63
matches(empty)
100.0000% Filter word density
Target: ≤12% sentences with filter/hedge words
filterCount2
hedgeCount2
narrationSentences63
filterMatches
0"watch"
hedgeMatches
0"seem to"
1"seemed to"
100.0000% Overuse of "that" (subordinate clause padding)
Target: ≤10% sentences with "that" clauses
thatCount0
totalSentences63
matches(empty)
24.7466% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs18
mean55.22
std13.07
cv0.237
sampleLengths
063
154
254
353
454
551
672
781
861
953
1073
1145
1249
1363
1431
1566
1635
1736
100.0000% Passive voice overuse
Target: ≤5% passive sentences
passiveCount0
totalSentences63
matches(empty)
100.0000% Past progressive (was/were + -ing) overuse
Target: ≤10% past progressive verbs
pastProgressiveCount4
totalVerbs162
matches
0"was slipping"
1"was chasing"
2"was stepping"
3"was chasing"
100.0000% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1021
adjectiveStacks0
stackExamples(empty)
adverbCount37
adverbRatio0.03623898139079334
lyAdverbCount10
lyAdverbRatio0.009794319294809012
100.0000% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences63
echoCount0
echoWords(empty)
100.0000% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences63
mean15.78
std6.54
cv0.415
sampleLengths
020
126
217
319
415
515
65
713
822
919
1015
1117
1221
138
1418
1518
1610
1711
1825
1915
2020
2111
2213
2328
249
2523
2620
274
2813
2912
3014
3111
3217
3319
3414
3525
3614
3710
3814
3926
4023
417
424
4316
4418
4527
468
4714
4818
4912
48.6772% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats6
diversityRatio0.3492063492063492
totalSentences63
uniqueOpeners22
100.0000% Dialogue tag variety (said vs. fancy)
Target: ≤30% fancy dialogue tags
totalTags0
fancyCount0
fancyTags(empty)
84.9436%