Run: 2026-02-17-01KHMMC98DN97M8ZGQV5P9MV5E

Run Details

Duration:
46.1s
Cost:
$0.018867
Provider:
Cohere

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 pursuit began under a cloak of rain, a relentless downpour that turned the night air into a smoky haze. Detective Harlow Quinn navigated the glistening streets, her sharp eyes scanning the bustling city of London for any sign of her suspect. The chase had started at the edge of Soho, where a tip had led her to believe she might catch a break in the case that had consumed her for the past month. Her quarry, a dark figure in a hooded sweatshirt, slipped between the glowing storefronts, blending with the shadows. Quinn followed with purpose, her stride long and purposeful despite the poor conditions. The sound of her sensible shoes splashing through puddles was a stark contrast to the hurried footsteps of her target. As she closed the distance, she caught a glimpse of a familiar scar along the left forearm—a telltale mark that confirmed his identity. She pulled out her radio, her voice cutting through the static. "Control, this is Quinn. I have eyes on Herrera. Suspect is on the move, heading north." The response came back, distorted by the weather. "Copy that, Quinn. Backup is en route. Keep visual on the suspect." Quinn nodded, her lips pressed into a thin line. Tomás Herrera, a rogue medic with ties to the supernatural underworld, had been elusive for too long. She was determined to bring him in, especially since he might hold the answers to the strange circumstances surrounding the disappearance of her former partner. She adjusted her grip on the worn leather handle of her revolver, hidden under her coat, ready for the confrontation she hoped would finally give her some closure. Herrera darted through traffic, causing a cacophony of horns and shouts as drivers slammed on their brakes. Quinn quickened her pace, dodging between cars with skill born of years on the force. The scent of exhaust and wet asphalt filled her nostrils as she pursued him down a narrow side street. Ahead, a neon green sign buzzed to life, casting an eerie glow on the darkening pavements—The Raven's Nest. The suspect slipped inside, the dingy bar likely providing the perfect refuge for someone on the run. Quinn pushed through the swinging doors, her eyes adjusting to the dim interior. The room was filled with the usual suspects: drunkards, loners, and those with secrets to hide. Quinn's gaze swept the crowded space, but Herrera was not among the patrons. With purpose, she approached the bartender, a burly man with sleeves of intricate tattoos. "When did he come in, and where did he go?" Quinn demanded, her voice low and firm. The bartender shrugged, wiping a glass with a stained cloth. "Haven't seen anyone fitting that description tonight, detective. And even if I had, I wouldn't be telling the likes of you." Quinn's jaw clenched. Using force wouldn't help in this situation; she needed information, not a fight. She softened her tone. "He's more than just a suspect, he's a fugitive. Anyone aiding him will be an accessory." A look of mild concern crossed the bartender's face. "A fugitive? Well, I guess I did notice a guy matching your description. He headed straight for the back room not long ago." Quinn's gaze darted to the rear of the bar, where a false bookshelf concealed a hidden door. "How long ago?" "Ten, maybe fifteen minutes. Hard to say." She considered her options. Time was ticking, and her backup was still en route. Making a rash decision without proper backup could be a fatal mistake. Yet something told her this was her best chance to finally corner Herrera. "Thanks," she muttered, moving swiftly towards the secret room. A quick glance confirmed that the back room was empty. Curiously, the suspect was nowhere to be seen. Her eyes narrowed as she noted the second exit: a reinforced door with a simple handle. Quinn drew her revolver, her fingers coiled lightly around the grip. "Herrera! This is your last chance to give yourself up!" Her voice echoed off the concrete walls, but no reply came. With a deep breath and a silent prayer, she pushed through the door and descended a dimly lit stairwell. She found herself in a dimly lit underground chamber, its arched ceiling covered in intricate murals depicting supernatural creatures and ancient rituals. The air was dense with the scents of incense and rust. She had not stumbled upon an ordinary basement; this was a hidden supernatural marketplace—the Veil Market. Voices murmured from unseen corners, carrying the sound of bartering and hushed deals. Vendors sheltered under colorful awnings amidst a maze of tables lined with mysterious potions, enchanted artifacts, and exotic creatures. She had heard tales of this place in whispers around the precinct, legends among those who knew to look past the mundane. A young woman seated behind a folding table stacked with bone tokens looked up at Quinn and smiled. "New to the market, love? Be sure to pay the entry fee, or you might find yourself a permanent resident." Quinn hesitated, taking in the bustling activity around her, wary but determined. She had broken bigger cases, confronted scarier things. With barely a moment's hesitation, she strode forward, her eyes searching for any glimpse of her mark. Vendors watched her carefully, their eyes gleaming with amusement and suspicion. A snarling creature chained to a post snapped at her as she passed, its eyes gleaming with an unearthly light. Quinn ignored the onlookers and continued her search, her heart pounding with anticipation. A raspy voice called out from a stall shrouded by dark red velvet curtains. "Over here, Detective Quinn." She spun towards the sound, her heart racing. Herrera emerged from the crimson shadows, his scarred forearm clenched around the curtains. "You can't arrest me without cause, Quinn. Neither of us wants to draw attention here." She aimed her revolver at him, her eyes narrowing. "You have outstanding warrants for unauthorized medical practice and distribution of banned substances. That's more than enough." Herrera laughed, a hollow sound that sent chills down Quinn's spine. "You think the Metropolitan Police has jurisdiction here? You're out of your depth, Detective." He gestured around him. "This place is beyond your world, beyond your control." Quinn's finger flexed on the trigger. She wanted nothing more than to put a bullet in this man, to bring him to justice for what he had taken from her, what she had lost. But his words rang true—she was out of place in this supernatural realm. "What happened to Morris?" She demanded, wanting the truth more than she wanted his life. "What did you do to my partner?" Herrera's expression softened. "I didn't take your partner, but I know who did. Come with me, and I'll tell you what I know." Quinn hesitated. The world of the Veil Market was a strange and dangerous realm, but her instincts as a detective kicked in. She wanted to get her man, get her answers, even if it meant entering the lion's den. "Lead the way. But one wrong move, and I swear I'll put a bullet in you." Herrera smirked and began walking through the market, weaving through the stalls with practiced ease. Quinn followed closely, her revolver trained on his back. They moved through the labyrinthine market, leaving behind the distractions of the bustling stalls and whispered deals. The room seemed to close in around them, the air thick with anticipation. Quinn felt her heartbeat in her ears as they stopped at a dead end marked by a large wooden door. "You're the detective," Herrera said, holding up his hands in surrender. "You lead the way." Quinn took a deep breath and pushed the door open, her revolver leading the way into the pitch-black room beyond.
created_at"2026-02-17T01:46:17.09528+00:00" 2/17/2026, 1:46:17 AM
model"cohere/command-r-plus-08-2024"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency3324
moderation_latency207
generation_time45505
tokens_prompt914
tokens_completion1971
native_tokens_prompt831
native_tokens_completion1679
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"
usage0.0188675
router(null)
provider_responses
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id"70e75254-7ba9-4ddd-9d98-8a9eeb1f733c"
status200
is_byokfalse
latency3324
endpoint_id"cd63714a-d459-4806-bdf2-0dfea4f6614c"
provider_name"Cohere"
model_permaslug"cohere/command-r-plus-08-2024"
api_type"completions"
id"gen-1771292730-VavApxwvZwpyvNijWZr3"
upstream_id"70e75254-7ba9-4ddd-9d98-8a9eeb1f733c"
total_cost0.0188675
cache_discount(null)
upstream_inference_cost0
provider_name"Cohere"

Evaluation details

Result Evaluator Details Meta Data
50.0000% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags4
adverbTagCount1
adverbTags
0"she muttered, moving swiftly towards the secret room [swiftly]"
84.5440% AI-ism adverb frequency
Target: <1% AI-ism adverbs (57 tracked)
wordCount1294
totalAiIsmAdverbs2
found
0
adverb"carefully"
count1
1
adverb"lightly"
count1
highlights
0"carefully"
1"lightly"
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)
wordCount1294
totalAiIsms15
found
0
word"cacophony"
count1
1
word"glistening"
count1
2
word"gleaming"
count2
3
word"velvet"
count1
4
word"intricate"
count2
5
word"stark"
count1
6
word"anticipation"
count2
7
word"jaw clenched"
count1
8
word"footsteps"
count1
9
word"amidst"
count1
10
word"echoed"
count1
11
word"navigated"
count1
highlights
0"cacophony"
1"glistening"
2"gleaming"
3"velvet"
4"intricate"
5"stark"
6"anticipation"
7"jaw clenched"
8"footsteps"
9"amidst"
10"echoed"
11"navigated"
66.6667% Cliche density
Target: ≤1 cliche(s) per 800-word window
totalCliches2
maxInWindow2
found
0
label"eyes widened/narrowed"
count1
1
label"jaw/fists clenched"
count1
highlights
0"eyes narrowed"
1"jaw clenched"
100.0000% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences74
matches(empty)
100.0000% Filter word density
Target: ≤12% sentences with filter/hedge words
filterCount0
hedgeCount1
narrationSentences74
filterMatches(empty)
hedgeMatches
0"seemed to"
100.0000% Overuse of "that" (subordinate clause padding)
Target: ≤10% sentences with "that" clauses
thatCount3
totalSentences90
matches
0"\"Copy that, Quinn."
1"fitting that description"
2"confirmed that the"
93.1427% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs33
mean39.06
std18.59
cv0.476
sampleLengths
075
174
227
320
479
551
677
731
831
936
1032
1120
127
1339
1443
1532
1668
1754
1838
1937
2044
2118
2236
2326
2438
2547
2622
2723
2855
2941
3033
3115
3220
100.0000% Passive voice overuse
Target: ≤5% passive sentences
passiveCount2
totalSentences74
matches
0"was determined"
1"was filled"
100.0000% Past progressive (was/were + -ing) overuse
Target: ≤10% past progressive verbs
pastProgressiveCount1
totalVerbs180
matches
0"was ticking"
100.0000% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1042
adjectiveStacks0
stackExamples(empty)
adverbCount21
adverbRatio0.02015355086372361
lyAdverbCount15
lyAdverbRatio0.014395393474088292
100.0000% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences90
echoCount0
echoWords(empty)
100.0000% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences90
mean14.32
std6.09
cv0.425
sampleLengths
020
122
233
318
413
520
623
711
816
98
1012
119
1217
1325
1428
1517
1615
1719
1818
1917
2013
2116
2213
2314
2417
2510
2621
273
2813
294
3016
319
3223
3317
343
357
364
3710
3812
3913
409
4110
428
4316
4411
4521
4619
4722
4811
4916
60.3704% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats4
diversityRatio0.3888888888888889
totalSentences90
uniqueOpeners35
0.0000% Dialogue tag variety (said vs. fancy)
Target: ≤30% fancy dialogue tags
totalTags4
fancyCount4
fancyTags
0"demanded (demand)"
1"she muttered, moving swiftly towards the secret room (mutter, move swiftly)"
2"demanded (demand)"
3"Herrera said, holding up his hands in surrender (say, hold up)"
79.6896%