Run: 2026-02-17-01KHMPF95QGTY05GY8J175GJ13

Run Details

Duration:
44.0s
Cost:
$0.015260
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 arrived at the derelict Tube station beneath Camden as early sunlight seeped through the narrow gratings, casting long shadows across the cold stone floor. The underground platform, once a hub of transient rattle and hum, now lay dormant beneath decades of city dust and secrets. Her brown eyes, sharp as polished glass under her salted lashes, scanned the space with the familiarity borne of eighteen years on the force. A platform once meant for the mundane now harbored the strange—a place where the ordinary laws of nature shrugged perfunctorily, as if to say, not our jurisdiction. She stepped forward, her boots releasing dust into the muted air, a shiver of silence broken only by echoes of distant water droplets. The station was still, but for the small cadre of crime scene officers, dotted around like chess pieces mid-game. They busied themselves with the paraphernalia of investigation—gloves, swabs, and camera flashes—but here, that lexicon seemed inadequate. Near the turnstile arms, she spotted DS Jonah Malik, a well-scrubbed figure amidst the grime. He was bent over something, the concentration twisting his typically easygoing countenance into a mask of furrowed lines. His crisp navy suit appeared almost gleaming, untouched by the day’s exertion thanks to an unspoken pact with gravity that Quinn found peculiarly enviable. "Malik," she called, her voice cutting through the low murmur of officialdom. He straightened immediately, acknowledging her presence with a brief nod. "Quinn," Malik greeted, stepping aside to reveal the object of his attention. "It’s... peculiar." At his feet lay a body wrapped in fabric that glimmered like moonlit oil—yet it was the aura of the scene, rather than the sight itself, that arrested Quinn's attention. As she drew closer, the fabric’s shimmer resolved into something else entirely; the man's face was obscured by a mask resembling a Venetian shade but woven with sigils she half-recognized from arcane texts she'd glimpsed over Evie Kowalski's shoulder. "Found him just this morning. No signs of struggle." Malik's voice wavered with uncertainty. "But the mask, it's just... bizarre." Quinn crouched, her keen eyes tracing the delicate etchings with detached curiosity. Her fingers brushed the sigils, commitment lurking in her touch. "Where’s the entry token?" Malik gestured to a small bone pendant resting nearby, its surface smooth and clinical. "Veil Market, they said," he added, shrugging, implying sagacity not entirely his own. "Market's closed. Odd that he'd end up here after hours." Quinn noted. Her watch ticked softly, a reminder of time's gravity as she circumspectly checked the surrounding platform, seeking perturbations in the ordinary. Malik frowned. "Closed? Then what was he doing here?" Quinn issued no reply, merely glanced at the compass she’d retrieved from her coat’s deep pocket—a calculated defiance against interference and dust. The Veil Compass, though dormant now, held the answers she sought, waiting to hum with untapped secrets. She cradled it like an oracle revealing futures that elude science and law. She knew its needle would guide her, but only if the rift was close enough. Today, its silence was telling. Malik cleared his throat, dragging her attention back. "Quinn, you’re thinking it’s not just a simple murder?" Her eyes flicked to the surrounding walls—old posters clinging to brick like ancient mosaics, each flake revealing layers beneath. She’d learned to distrust silence when it seemed absolute. "Everything’s simple, Malik," she replied, her gaze stabbing into shadowed corners, "until it isn't." The mask lay incongruent amongst decay, promising tales beyond mere mortal endearments. Like a breadcrumb to follow through a fractured forest. "You think he had something?" Malik pressed. Quinn stood, wrapping her words in confidence enough to raze shadows. "I think this place is more than a simple crime scene. It’s a juncture. And junctures need explanations." Detective Quinn shared a silent pact with observation. She walked towards a group of her forensics team. Her sharp strides echoed, punctuating her thoughts as even her boots refused to cooperate quietly with the reality of this place. Scrutinizing the artifacts collected by the techs, she noted their reserve—there was something unsettling about the meticulous order with which the evidence had been arranged. The bagged mask, the detached bone token, each parceled with precision as though trying to assemble coherence. "It doesn't add up, does it? Like he's a message rather than a victim," Malik spoke again, his voice a tether drawing her back. "More like a call than a letter," Quinn answered, and something softened in Malik's perpetual optimism—a realization that the truth was encoded in layers not meant for easy reading. Quinn's mind sifted through probabilities and motives, connecting fragments like a complex alchemical equation. Her imagination roved as her senses remained steeled to the now, channeling moments of clarity that sang of reason beyond the concrete. Amongst this burgeoning silence, something shifted in perspective. Her eyes fell upon the dust, recently disturbed towards a service tunnel that teased out further into the belly of the earth—hidden routes that no legitimate law would openly acknowledge. "Where does that go?" she asked, pointing. Malik followed her gaze. "An old service tunnel. Abandoned. We haven’t checked it. Though, no cameras to light up the darkness there." Quinn felt the old thrill inching through her veins, a delicate yet deliberate dance with the unknown—her ally and adversary. "Then that’s where we should begin." As she moved, casting formalities aside, the rest of the team faded into a conceptual echo, a constant but ultimately variant refrain. Malik, perceptive as always, understood the method to Quinn's semblance of madness—a logic so stringently constructed it gambled with the boundaries of conventional rationale. The compass’s casing warmed in her pocket, and the needle twitched—a salute and a promise. Harlow Quinn smiled a small, knowing smile. The murder, the mask, even the emptiness of this abandoned station—they were pieces, and she was ready to fit them into the chasm of understanding.
created_at"2026-02-17T02:22:50.384026+00:00" 2/17/2026, 2:22:50 AM
model"openai/gpt-4o-2024-08-06"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency499
moderation_latency(null)
generation_time43955
tokens_prompt923
tokens_completion1635
native_tokens_prompt836
native_tokens_completion1317
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"
usage0.01526
router(null)
provider_responses
0
id"chatcmpl-DA50wetI1JmoC66EjWuNaYoVYybdU"
status200
is_byokfalse
latency459
endpoint_id"9d15935a-34e6-4a5e-a5bc-c7dda213e876"
provider_name"OpenAI"
model_permaslug"openai/gpt-4o-2024-08-06"
api_type"completions"
id"gen-1771294926-fzYtfkGLRW4CQC0qeFAP"
upstream_id"chatcmpl-DA50wetI1JmoC66EjWuNaYoVYybdU"
total_cost0.01526
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"

Evaluation details

Result Evaluator Details Meta Data
8.3333% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags8
adverbTagCount3
adverbTags
0"Malik greeted, stepping aside to reveal the object of his attention [aside]"
1"he added, shrugging, implying sagacity not entirely his own [entirely]"
2"Malik spoke again, his voice a tether drawing her back [again]"
89.9396% AI-ism adverb frequency
Target: <1% AI-ism adverbs (57 tracked)
wordCount994
totalAiIsmAdverbs1
found
0
adverb"softly"
count1
highlights
0"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)
wordCount994
totalAiIsms13
found
0
word"flicked"
count1
1
word"gleaming"
count1
2
word"wavered"
count1
3
word"calculated"
count1
4
word"unspoken"
count1
5
word"fractured"
count1
6
word"steeled"
count1
7
word"furrowed"
count1
8
word"dance"
count1
9
word"amidst"
count1
10
word"echo"
count1
11
word"echoed"
count1
12
word"echoes"
count1
highlights
0"flicked"
1"gleaming"
2"wavered"
3"calculated"
4"unspoken"
5"fractured"
6"steeled"
7"furrowed"
8"dance"
9"amidst"
10"echo"
11"echoed"
12"echoes"
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
narrationSentences55
matches(empty)
100.0000% Filter word density
Target: ≤12% sentences with filter/hedge words
filterCount1
hedgeCount0
narrationSentences55
filterMatches
0"watch"
hedgeMatches(empty)
100.0000% Overuse of "that" (subordinate clause padding)
Target: ≤10% sentences with "that" clauses
thatCount0
totalSentences63
matches(empty)
100.0000% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs27
mean36.22
std22.92
cv0.633
sampleLengths
099
159
257
322
414
569
620
726
827
933
109
1172
1217
1342
1421
157
1629
1780
1824
1929
2036
2138
227
2322
2426
2546
2647
84.8485% Passive voice overuse
Target: ≤5% passive sentences
passiveCount4
totalSentences55
matches
0"was bent"
1"was obscured"
2"been arranged"
3"was encoded"
100.0000% Past progressive (was/were + -ing) overuse
Target: ≤10% past progressive verbs
pastProgressiveCount0
totalVerbs145
matches(empty)
85.3542% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount863
adjectiveStacks2
stackExamples
0"lay dormant beneath decades"
1"beyond mere mortal endearments."
adverbCount33
adverbRatio0.038238702201622246
lyAdverbCount20
lyAdverbRatio0.023174971031286212
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
mean15.52
std7.91
cv0.51
sampleLengths
027
121
224
327
423
519
617
715
818
924
1012
1110
1212
132
1430
1539
1614
176
1812
1910
204
2114
2213
2312
2421
252
267
2722
2817
2913
3015
315
328
339
3419
359
3614
3712
389
397
4011
4118
428
439
4421
4525
4617
4724
4829
4914
80.4233% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats1
diversityRatio0.49206349206349204
totalSentences63
uniqueOpeners31
0.0000% Dialogue tag variety (said vs. fancy)
Target: ≤30% fancy dialogue tags
totalTags8
fancyCount7
fancyTags
0"she called, her voice cutting through the low murmur of officialdom (call, cut)"
1"Malik greeted, stepping aside to reveal the object of his attention (greet, step aside reveal)"
2"he added, shrugging, implying sagacity not entirely his own (add, shrug, imply)"
3"she replied, her gaze stabbing into shadowed corners (reply, stab shadow)"
4"pressed (pressed)"
5"Malik spoke again, his voice a tether drawing her back (speak again, draw)"
6"Quinn answered, and something softened in Malik's perpetual optimism—a realization that the truth was encoded in layers not meant for easy reading (answer, soften encode do not mean)"
79.3470%