Run: 2026-02-17-01KHMPBW72EQG7R7XPBA14VEJ9

Run Details

Duration:
37.4s
Cost:
$0.015787
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
Rain pounded the London streets with a relentless ferocity, creating rivers along the gutters and a percussion on the car roofs that rivaled a symphony. Detective Harlow Quinn, drenched to the bone despite the coat that clung to her like a second skin, pushed through the deluge with her jaw set in grim determination. Her sharp eyes scanned the kaleidoscope of umbrellas and blurred faces that filled the busy pavement ahead. "Move! Metropolitan Police!" she shouted, her voice cutting through the rain-sodden air with the authority of her eighteen years on the force. There was a glimpse of the suspect—a flash of shadowy movement that danced at the periphery of Harlow's vision. She sped up, weaving through the throng with military precision, her worn leather watch ticking off the seconds in sync with her pounding heart. Her quarry, a lithe silhouette under a soaked baseball cap, ducked into a narrow alley. A sensory cacophony enveloped Harlow as she gave chase, the scent of wet bricks mingling with the indistinct chatter of nightlife persisting despite the downpour. She leapt over a toppled trash can, her boot splashing into a puddle that doused her more than the rain ever could. She cursed under her breath, not breaking her stride. As she rounded the corner, the suspect turned back, the glimmer of nocturnal streetlights catching the glint of mischief—or perhaps fear—in his eyes. Before she could close the gap between them, he tore away with a youthful speed that belied the evening's gloom. "You won’t get away this time," Harlow muttered, recalling the whisperings of this underworld figure’s connection to the clique. Her partner, DS Morris, loomed large in her thoughts, the anguish of his loss a constant companion she couldn’t quite grasp or let go. Whatever supernatural strings had tangled her in their weave three years ago, they were being pulled again now. Suddenly the suspect veered sharply to the right, diving through a scarred door that seemed to hang ajar like a gaping wound in the city's facade. Harlow skidded to a halt at the threshold; her gaze caught the faint, eerie glow of pale light flickering from beyond the opening. There was something more than just darkness beyond the door. A chill curled its way down her spine, a sensation not entirely attributable to the rain-soaked leather of her watchband pressing cold against her wrist. But she was too deep in the chase to turn back now. She entered the passage with resolve, the air growing warm and distant from the street's metallic chill. She found herself in a labyrinthine stairwell, the walls striated with mold and etched with cryptic graffiti. Each echoing step seemed to promise secrets yet to be unveiled. Harlow’s breath sucked in sharply as she realized the descent led into one of those whispers she’d heard obstructed by Metropolitan walls—the Veil Market. A place where reality twisted into a new shape, and danger was a word just beyond the reach of definition. At the stairwell's base, the tunnel morphed into a vast underground chamber. Stalls lined with glittering oddities and arcane fog filled the space, a tableau of forbidden commerce. Candles pooled in nacreous wax, casting the few patrons—figures draped in shadow or faces threaded with the implements of secrecy—into relief against walls that might once have been part of a forgotten Tube station. Harlow paused, considering. Her suspect had vanished into this subterranean haven. The risk was palpable, almost thick enough to greasy-film the air. She remembered the whispers of entry requirements—bone tokens, beguiling markers essential for passage. Lacking one wasn't an option now; her quarry had slipped inside, and she had followed a spectral line that couldn’t be abandoned. Perhaps brazen in the movement, Harlow pushed deeper into the Market. Her gaze caught a brusque figure at a nearby stall displaying an array of elaborate, alchemical concoctions. The wiry vendor eyed her with a speculative gleam. "Lost, love?" he crooned, the words sliding oily from his mouth. Ignoring him, she pressed on, movements purposeful beneath the trickle of illumination the Market deemed fitting. Lost she was not, and the asseveration was as much to assuage herself as anything more pressing. Ahead, between the swathes of shadows, she spotted a familiar figure—Tomás Herrera. His olive skin seemed carved from the dull stone the tunnels birthed, his dark curls tousled from the Market's claustrophobic warmth. The ex-paramedic acknowledged her with a slight tilt of his head, his scarred forearm curling protectively around the Saint Christopher medallion he wore. "Herrera," she greeted, breaking through the disquiet with a forced calm. "What does a healer know of a man who dabbles in forbidden trades?" His eyes, reminiscent of the depths of Seville's sunbaked earth, met hers with a brief flash of something she might have known once as comradery. "What you seek here is more than you caught wind of above," Tomás replied, his voice smooth but filled with subtext. "Veil Market keeps its secrets well, and her favor is not quickly bought." Tomás was supportive, but Harlow saw the caution behind his words, a warning wrapped in sincerity. She sensed in him the knowledge of being an outsider who played with the wondrous and the wicked outside sanctioned lines. Her history with Morris reminded her that the unknown was as lethal as any seasoned criminal. "Thanks for the advice," she eased, a faint nod shared. Hesitance lingered, but she forged onward, her target the solitary specter blending into a throng of sycophants of the supernatural. The corridors of the Veil Market were deceptive in their expanse. The stale air clung as tight as the shadows, but Harlow felt more than just the suspect's echo weaving through the bows of London’s criminal counterbalance. She felt the pulse of destiny or danger—lines blurred by secrets that were no longer tethered to the light above. Nothing was as it seemed, and yet the perseverance that dug beneath explanation drove her further. For Harlow Quinn, tonight was about reclaiming not just an answer but perhaps something of herself, eclipsed once too often by the things she couldn’t yet comprehend. And she would make that understanding surface, regardless if it meant delving through hell’s own marketplace to do so. Step by determined step, she pursued the threads laid before her, each heartbeat synchronized to the will of a woman who refused to let the veil conceal what she needed to uncover.
created_at"2026-02-17T02:20:52.517862+00:00" 2/17/2026, 2:20:52 AM
model"openai/gpt-4o-2024-08-06"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency475
moderation_latency(null)
generation_time37319
tokens_prompt914
tokens_completion1679
native_tokens_prompt811
native_tokens_completion1376
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"
usage0.0157875
router(null)
provider_responses
0
id"chatcmpl-DA4z8ZRyieM4LrrXtbHcw0Px3KSAs"
status200
is_byokfalse
latency422
endpoint_id"9d15935a-34e6-4a5e-a5bc-c7dda213e876"
provider_name"OpenAI"
model_permaslug"openai/gpt-4o-2024-08-06"
api_type"completions"
id"gen-1771294814-KEJYvvMsAySAm5OujrmP"
upstream_id"chatcmpl-DA4z8ZRyieM4LrrXtbHcw0Px3KSAs"
total_cost0.0157875
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
totalTags5
adverbTagCount0
adverbTags(empty)
62.9972% AI-ism adverb frequency
Target: <1% AI-ism adverbs (57 tracked)
wordCount1081
totalAiIsmAdverbs4
found
0
adverb"quickly"
count1
1
adverb"sharply"
count2
2
adverb"suddenly"
count1
highlights
0"quickly"
1"sharply"
2"suddenly"
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)
wordCount1081
totalAiIsms13
found
0
word"palpable"
count1
1
word"cacophony"
count1
2
word"symphony"
count1
3
word"facade"
count1
4
word"glint"
count1
5
word"spectral"
count1
6
word"loomed"
count1
7
word"solitary"
count1
8
word"delving"
count1
9
word"echo"
count1
10
word"echoing"
count1
11
word"etched"
count1
12
word"kaleidoscope"
count1
highlights
0"palpable"
1"cacophony"
2"symphony"
3"facade"
4"glint"
5"spectral"
6"loomed"
7"solitary"
8"delving"
9"echo"
10"echoing"
11"etched"
12"kaleidoscope"
100.0000% Cliche density
Target: ≤1 cliche(s) per 800-word window
totalCliches0
maxInWindow0
found(empty)
highlights(empty)
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
hedgeCount2
narrationSentences57
filterMatches
0"watch"
hedgeMatches
0"seemed to"
100.0000% Overuse of "that" (subordinate clause padding)
Target: ≤10% sentences with "that" clauses
thatCount1
totalSentences59
matches
0"make that understanding"
31.0663% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs20
mean53.45
std13.83
cv0.259
sampleLengths
071
165
271
343
461
559
654
772
862
957
1048
1133
1256
1324
1459
1553
1630
1757
1862
1932
100.0000% Passive voice overuse
Target: ≤5% passive sentences
passiveCount1
totalSentences57
matches
0"being pulled"
100.0000% Past progressive (was/were + -ing) overuse
Target: ≤10% past progressive verbs
pastProgressiveCount0
totalVerbs164
matches(empty)
94.0000% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1027
adjectiveStacks1
stackExamples
0"pressing cold against her"
adverbCount34
adverbRatio0.033106134371957155
lyAdverbCount6
lyAdverbRatio0.005842259006815969
100.0000% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences59
echoCount0
echoWords(empty)
80.2207% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences59
mean18.12
std6.35
cv0.351
sampleLengths
025
129
217
322
419
524
615
725
822
99
1023
1120
1219
1324
1418
1526
1623
1710
1825
1912
2017
2117
2211
2324
2420
2512
2616
2734
283
298
3011
3113
3222
3311
3417
359
3611
3716
3817
3912
4021
4123
4211
4313
4425
4521
4613
4716
4821
4916
93.7853% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats3
diversityRatio0.5932203389830508
totalSentences59
uniqueOpeners35
0.0000% Dialogue tag variety (said vs. fancy)
Target: ≤30% fancy dialogue tags
totalTags5
fancyCount5
fancyTags
0"shouted (shout)"
1"Harlow muttered, recalling the whisperings of this underworld figure’s connection to the clique (mutter, recall)"
2"she greeted, breaking through the disquiet with a forced calm (greet, break force)"
3"Tomás replied, his voice smooth but filled with subtext (reply, fill)"
4"she eased, a faint nod shared (ease, share)"
80.1217%