Run: 2026-02-17-01KHMPGHB8QMCWD3GWY0ZEBWYZ

Run Details

Duration:
36.6s
Cost:
$0.015118
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 poured down in a relentless onslaught, blurring the line between London’s electric haze and the angry sky. Detective Harlow Quinn moved with military precision through the rain-slicked alleys, her salt-and-pepper hair now plastered to her head like a helmet. Her brown eyes, sharp and calculating, scanned each shadow and flicker of movement in the chaos. Ahead, the suspect—a slippery figure she’d come to connect with a series of robberies tied to the Veil Market—darted around a corner. Quinn sped up, her lean frame cutting through the curtain of rain, footfalls muffled by the sodden pavement. The day had begun with another stack of reports on her desk, hopelessly pulling in every direction but this. Now, with the evening swallowing the city, her intuition had paid off. The presence of Tomás Herrera, a familiar face among the underworld’s off-the-grid medics, had piqued her interest. She'd been watching him for weeks. Tonight, he'd made contact with a person fitting the description of the suspect she’d been watching like a hawk. Her breath came steady despite the exertion, habitual from years of service. The suspect was fast but Quinn noticed the falter, the occasional glance back that screamed uncertainty. She pounded forward, gaining ground, her worn leather watch dampened against her wrist, marking the moments of this chase—a tide she refused to let turn. Up ahead loomed the comforting glow of The Raven’s Nest, where the suspect hesitated just long enough for Quinn to catch a silhouette scurrying past the distinctive green neon sign. She knew the place well enough, its dim recesses hiding dealings of all kinds beneath veils of smoke and the muted hum of conversation. But the suspect veered off before reaching the door, disappearing into a narrow grate in the street—an entrance to the underground, a portal to where she’d never ventured. Quinn skidded to a halt beside the grate, peering down into the darkness. Below lay whispers of the forbidden—a labyrinth known as the Veil Market. It shifted like sea foam with the tides of the moon. But tonight, here in Camden, it beckoned with the weight of every unsolved mystery she’d faced since she lost DS Morris. Her jaw tightened with resolve, memories of Morris’s last words pulling her inward. She kicked the grate wider and slipped through, her descent rough, into the old Tube station yawning beneath. The echoes of her boots against the platform were swallowed by the space, a cavern sprawling under city weight. Faint light spilled from the Market proper, murmurous with the low hum of beings and contraband. In here, the familiar laws she'd sworn to uphold twisted like smoke. Her steps became deliberately soft, the sounds of commerce trilling around her—a haunting melody in the darkness. Past a throng of alchemical vendors, voices lingering with entreaty and spell, she saw him. Tomás Herrera, his olive skin glistening slightly in the dim light, the flash of silver from the Saint Christopher medallion at his throat a strange reassurance amid the shadows. He moved with purpose, scanning the crowd as if she weren't but another face in the tapestry. For a heart-stopped moment, she hesitated. Did she continue this pursuit, pressing into unknown territories where law morphed into uncertainty, or pull back, regroup, reassess with colleagues above? Duty clashed with the soul’s demands. Morris’s laughter, from ghosted memory, brushed against her resolve. She moved forward. A bone token changed hands, and Quinn followed Herrera’s path through the Market, her focus sharp on the suspect who hadn't yet realized they were pursued. She kept her distance, her instincts honed, as Herrera finally connected with the suspect ahead, their conversation a secret she couldn't let slide through her fingers. A stall advertised amulets promising fortune and protection, vines of magic curling into air itself, reminding Quinn of how far she'd strayed from her world above. Yet, she couldn’t shake the sense of purpose here, the lines of her life leading here tonight—a feral truth beneath the city's skin. Quinn moved closer, shadow to shadow, instinct dictated by the rising urgency of Herrera's voice overlapping with the suspect’s tension. Words like "shipment" and "tonight" crisp against the damp stone, filling gaps in the case files she harbored. She stepped out, firm, her voice a knife cutting the air. "Tomás. What shipment?" Harlow's presence stopped the conversation cold. Herrera froze momentarily, then turned slowly, a familiar half-smile playing on his lips—not quite meeting his warm brown eyes that told a story of their own. "Detective Quinn," he smoothly replied. "What an unlikely meeting. Although... Rain-soaked tunnels do suit your sense of intrigue, don't they?" Her jaw clenched at the familiarity he wielded like a blade. "I don't have time for this," she said. "What are you moving tonight?" He took a step back, hands raised in faint surrender, the scar along his left forearm visible in the scant light, a story shared between them that neither voiced. "I think," he said slowly, "you're better off asking your suspect there." Quinn's eyes flicked back to the suspect, who tossed a glance—part defiant, part desperate—between them before trying to bolt into the Market's depths again. But Quinn was quicker, grabbing hold, keeping him in place with inexorable force. "I think you should come with me," she told the suspect, her voice calm, belying the tempest swirling inside. "Funny how a night turns," Herrera murmured, falling into step beside her as she guided her quarry back. "But I imagine for you, Detective, the answers won't be above ground anymore." Quinn gave Herrera a sidelong glance as they moved, the Market’s shadow stretching their story into intricate patterns. Her instincts, though, whispered the truth—that she now straddled a world more complex than any she'd left to chance. She had chosen the chase. She would continue to choose, whatever frontier beckoned. As they climbed toward the surface, rain pelting down once more, she knew the path from here would meander between the lines—warped and intriguing, a whisper beyond the rain's dance in the earthbound city above.
created_at"2026-02-17T02:23:24.606813+00:00" 2/17/2026, 2:23:24 AM
model"openai/gpt-4o-2024-08-06"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency553
moderation_latency(null)
generation_time36554
tokens_prompt914
tokens_completion1616
native_tokens_prompt811
native_tokens_completion1309
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"
usage0.0151175
router(null)
provider_responses
0
id"chatcmpl-DA51bl26YZ2wZTL2LqLFjl3OSCFW5"
status200
is_byokfalse
latency461
endpoint_id"9d15935a-34e6-4a5e-a5bc-c7dda213e876"
provider_name"OpenAI"
model_permaslug"openai/gpt-4o-2024-08-06"
api_type"completions"
id"gen-1771294967-mzA33ydTI6u2PYJBfdba"
upstream_id"chatcmpl-DA51bl26YZ2wZTL2LqLFjl3OSCFW5"
total_cost0.0151175
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"

Evaluation details

Result Evaluator Details Meta Data
0.0000% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags5
adverbTagCount2
adverbTags
0"he smoothly replied [smoothly]"
1"he said slowly [slowly]"
61.0136% AI-ism adverb frequency
Target: <1% AI-ism adverbs (57 tracked)
wordCount1026
totalAiIsmAdverbs4
found
0
adverb"deliberately"
count1
1
adverb"slightly"
count1
2
adverb"slowly"
count2
highlights
0"deliberately"
1"slightly"
2"slowly"
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)
wordCount1026
totalAiIsms12
found
0
word"tapestry"
count1
1
word"flicker"
count1
2
word"flicked"
count1
3
word"glistening"
count1
4
word"loomed"
count1
5
word"calculating"
count1
6
word"intricate"
count1
7
word"jaw clenched"
count1
8
word"weight"
count2
9
word"dance"
count1
10
word"echoes"
count1
highlights
0"tapestry"
1"flicker"
2"flicked"
3"glistening"
4"loomed"
5"calculating"
6"intricate"
7"jaw clenched"
8"weight"
9"dance"
10"echoes"
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
narrationSentences57
matches(empty)
100.0000% Filter word density
Target: ≤12% sentences with filter/hedge words
filterCount1
hedgeCount0
narrationSentences57
filterMatches
0"watch"
hedgeMatches(empty)
100.0000% Overuse of "that" (subordinate clause padding)
Target: ≤10% sentences with "that" clauses
thatCount0
totalSentences61
matches(empty)
77.7974% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs24
mean41.92
std17.7
cv0.422
sampleLengths
057
140
273
353
482
557
631
764
861
928
1018
1152
1249
1338
1414
1532
1620
1724
1841
1937
2019
2131
2250
2335
100.0000% Passive voice overuse
Target: ≤5% passive sentences
passiveCount2
totalSentences57
matches
0"were swallowed"
1"were pursued"
100.0000% Past progressive (was/were + -ing) overuse
Target: ≤10% past progressive verbs
pastProgressiveCount0
totalVerbs153
matches(empty)
100.0000% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount958
adjectiveStacks0
stackExamples(empty)
adverbCount23
adverbRatio0.024008350730688934
lyAdverbCount8
lyAdverbRatio0.008350730688935281
100.0000% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences61
echoCount0
echoWords(empty)
100.0000% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences61
mean16.49
std7.44
cv0.451
sampleLengths
019
122
216
322
418
519
612
717
86
919
1012
1116
1225
1330
1424
1528
1613
1712
1811
1921
2013
2118
2219
2316
2412
2517
2615
2729
2817
296
3022
316
329
333
3426
3526
3626
3723
3820
3918
4011
413
426
4326
445
4515
4611
478
485
4929
80.3279% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats1
diversityRatio0.4918032786885246
totalSentences61
uniqueOpeners30
0.0000% Dialogue tag variety (said vs. fancy)
Target: ≤30% fancy dialogue tags
totalTags5
fancyCount4
fancyTags
0"he smoothly replied (smoothly reply)"
1"he said slowly (say slowly)"
2"she told the suspect, her voice calm, belying the tempest swirling inside (tell swirl)"
3"Herrera murmured, falling into step beside her as she guided her quarry back (murmur, fall step guide)"
77.5964%