NC Bench
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Run: 2026-02-17-01KHMPE13BW9VZR5NC21BTKY6P
Run Details
Model:
GPT-4o, May 13th (temp=1)
Test:
Bad Writing Habits
Scenario:
Mystery: examining a crime scene
Duration:
17.1s
Cost:
$0.032860
Provider:
Azure
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
Messages
Meta
AI
Detective Harlow Quinn stepped out of the unmarked police car and onto the cracked pavement of the abandoned Tube station. Her military precision channeled into e
very
step, she surveyed the forlorn Camden neighborhood above before ducking into the murky depths below. The bone token felt heavy in her pocket, a small, gnawing presence e
very
step of the way. Her breath fogged the air; winter had a cruel grip this evening, intensified by the cold, subterranean draft. Standing at the foot of the sealed station entrance, she spared a glance at the hastily scrawled rune on the wall—a telltale mark of the Veil Market’s latest chosen lair. Quinn pushed open the rusting metal door, her brown eyes darting through the shadows, pupils adjusting swiftly to the dim, inconsistent light cast by the irregularly hung bulbs and mystic lanterns. Her sharp jaw set, she advanced further into the Market. Voices from ahead mixed in a lilt of haggling and subdued conversations, but it was the scene to her left that drew her immediate attention—a cordoned-off area where uniforms mingled awkwardly in the esoteric environment. She identified Eva Kowalski
amidst
the bustle, her curly red hair and round glasses unmistakable. She conferred with an officer, her hands moving animatedly, tucking her hair behind her ear e
very
few seconds—a clear sign of her nerves. Quinn approached, her authoritative stride parting the sea of acrid fog. “Kowalski,” she greeted with a clipped nod. Eva turned, her freckles
stark
against her pale, worried face, eyes sharp and green behind her glasses. “Detective Quinn,” she responded, tucking an unruly curl behind her ear again. “What have we got?” Quinn asked, noting e
very
detail, from the residual scent of burnt sage to the unusual gathering of cloaked figures around the perimeter. The Veil Market was a labyrinth, and it thrived on secrecy. “Victim’s over there.” Eva gestured towards a cloaked heap sprawled against the old ticket booth. “Name’s Jasper Grimm. Apparent cause of death, blunt force trauma, but something’s not adding up.” Quinn stepped over the unstable ground to Jasper’s body. The man's face was pallid beneath the hood, his form unnaturally contorted. She felt Eva’s eyes following her as she began a meticulous examination. The atmosphere reeked of ozone and burnt herbs. It wasn't just the usual Market stench. “Blunt force, you said?” Eva adjusted her glasses. “To the head. But…” she trailed off. “But what, Kowalski?” Quinn’s tone brooked no evasions. “There’s a Veil Compass,” Eva said, producing the small brass artifact from her satchel. “It was still in his hand. He’s an investigator for hire, mostly in the supernatural circles. This isn't a normal attack.” Quinn’s
eyes narrowed
as she
carefully
took the compass. Its casing was old, green with verdigris, and protective sigils adorned its face. The needle
quivered
, pointing
slightly
off to the side. “Investigating what?” Eva took a breath, tucking her hair back again. “Smuggling unauthorized artifacts. Specifically, enchanted items. This Market’s been under scrutiny for moving
very
dangerous goods.” Quinn’s eyes scanned the surroundings—furtive glances from the cloaked figures, purposeful distance from the stall owners. “Who called it in?” “An anonymous tip.” Eva gestured towards a stall lined with musty tomes and
glistening
glass vials. “Gorgio, the alchemist. Not exactly the most reliable witness, but he’s adamant he saw something.” Quinn motioned to the officer guarding the body. “Have the scene canvassed. Speak to Gorgio. I’ll check Grimm’s records. Something’s here we’re not seeing.” Eva nodded, her worry momentarily masked by professional focus. As she moved off, Quinn knelt beside Grimm, her fingers tracing the bruises around his neck. Strangulation, then blunt force. The blows seemed almost... secondary. An attempt to conceal something more insidious. The brass compass in her hand vibrated
slightly
, the needle now pointing insistently towards a narrow alley within the Market. Rising, she slipped it into her inner coat pocket and moved in the direction it indicated. Her steps were careful, senses taut. The alley opened into a small courtyard, a place of rare seclusion within the chaotic Market. She noted the faint, lingering scent of iron and something older, musty. Her eyes landed on a doorway, symbols
etched
into its wood, partially hidden by shadow—protection wards. She pressed the door
lightly
. It resisted initially, then swung open with a begrudging creak. Inside, the room was dimly lit by a single rune-
etched
lantern. Wooden shelves lined the walls, cluttered with ancient alchemical tools and jars filled with ingredients whose origins she preferred not to dwell on. Quinn’s breath caught
slightly
as she noticed a faint trail of blood leading to a back room. She followed it
cautiously
, her heart a steady drumbeat in her chest. The back room opened up, and at the center, an altar, grotesquely adorned with ancient relics, and a bowl filled with dark, congealed liquid. Grimm’s satchel lay at the base, its contents spilled. More compasses, some broken, some whole, all pointing to where she stood. An instant realization struck—this was a site for ritualistic practices, and Jasper had interrupted something far beyond common smuggling. From the shadows stepped a figure, cloaked and serene, eyes burning with unnatural light. “Detective Quinn, I presume,” the voice was smooth, unhurried,
tinged
with an accent foreign and old. Quinn’s hand instinctively moved to her sidearm. “Who are you?” “A humble historian,” the figure replied, a smile playing on his lips. “Ensuring balance in our delicate ecosystem.” “Balance?” Quinn’s voice was icy. “Jasper Grimm’s been murdered. That’s your idea of balance?” The figure’s eyes glinted. “Murder implies a lack of consent. Mr. Grimm willingly offered himself to the greater good. An ill-fated amateur tampering with powers beyond his grasp.” Eva appeared at the door, her face pale, shock evident. “Detective, we have the alchemist’s statement. He—” “Eva, go back. Get backup.” Quinn’s command was firm. Eva hesitated, then nodded, retreating
quickly
. The figure sighed, a dramatic affectation. “Humans and their need for reinforcements. As if that changes anything.” Quinn’s grip tightened. “What did he discover? What’s happening here?” “He discovered the same thing you are about to,” the figure stepped forward, unperturbed by her weapon. “The compass points to the nexus of supernatural rifts. This place was merely preparation—an attempt to stabilize an influx of dangerous artifacts.” “Dangerous, how?” “Because these artifacts,” he gestured to the relics around them, “are remnants of a world far more perilous than you can imagine. Jasper’s death, regrettable though it is, was necessary for the greater cosmic order.” Quinn’s mind raced, fitting pieces into the puzzle, her eyes scanning for an opening, an element of surprise. The man took advantage of her brief hesitation and lunged forward, hand glowing with a forbidden light. Quinn dodged, her movements precise, honed by years of disciplined training. She fired, the bullet piercing through the illusionary
facade
, revealing the man’s true, twisted form. No longer human, a creature of sinew and dark energy, it shrieked, expelling a wave of malignant force. Quinn steadied herself, pushing against the
oppressive
power, her determination
unwavering
. As the creature reeled, Quinn disposed of the relics on the altar, crashing them to the ground. The energy within the room dissipated like a storm breaking, the creature’s cry
echoing
into infinity as it vanished, leaving behind scorched remnants and the chilling silence of aftermath. Eva burst back in, followed by other officers, weapons drawn. She searched Quinn’s face with frantic concern. “Harlow, are you alright?” Quinn locked eyes with Eva, feeling the
weight
of the unseen battles still raging in the supernatural underbelly of London. “I’m fine. But we’re just scratching the surface of something much darker, Eva. Get rid of these artifacts. And shut this place down.” Eva nodded, relief mixed with grim determination. Quinn knew this was only the beginning. The nexus pointed to something
profound
, something Jasper Grimm had
tried to
reveal. As she looked out over the scattered relics and darkened alleyways, she understood the battle she faced wasn’t just with criminals but with elements beyond mortal understanding. And she would need e
very
ounce of skill and insight to protect the fine line between their worlds. Her mind turned to the figures lurking in the shadows,
enigmatic
forces waiting for the slightest imbalance. With a solemn breath, she tightened her worn leather
watch
, stepping forward into the dim light of the Veil Market, ready to face whatever came next.
created_at
"2026-02-17T02:21:42.469533+00:00"
2/17/2026, 2:21:42 AM
model
"openai/gpt-4o-2024-05-13"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
745
moderation_latency
(null)
generation_time
16969
tokens_prompt
923
tokens_completion
2362
native_tokens_prompt
836
native_tokens_completion
1912
native_tokens_completion_images
(null)
native_tokens_reasoning
0
native_tokens_cached
0
num_media_prompt
(null)
num_input_audio_prompt
(null)
num_media_completion
0
num_search_results
(null)
origin
"https://ncbench.com/"
is_byok
false
finish_reason
"stop"
native_finish_reason
"stop"
usage
0.03286
router
(null)
provider_responses
0
id
"chatcmpl-DA50HgqOQBKHMnNRm9zilAoZgQxfH"
status
200
is_byok
false
latency
403
endpoint_id
"ef6b0afa-fd92-4db6-96e0-b8f0e5e4734b"
provider_name
"Azure"
model_permaslug
"openai/gpt-4o-2024-05-13"
api_type
"completions"
id
"gen-1771294884-4V2TNTkc3VoAWl3C5369"
upstream_id
"chatcmpl-DA50HgqOQBKHMnNRm9zilAoZgQxfH"
total_cost
0.03286
cache_discount
(null)
upstream_inference_cost
0
provider_name
"Azure"
Evaluation details
Result
Evaluator
Details
Meta Data
91.6667%
Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags
8
adverbTagCount
1
adverbTags
0
"she responded, tucking an unruly curl behind her ear again [again]"
42.9387%
AI-ism adverb frequency
Target: <1% AI-ism adverbs (57 tracked)
wordCount
1402
totalAiIsmAdverbs
8
found
0
adverb
"carefully"
count
1
1
adverb
"cautiously"
count
1
2
adverb
"lightly"
count
1
3
adverb
"quickly"
count
1
4
adverb
"slightly"
count
3
5
adverb
"very"
count
1
highlights
0
"carefully"
1
"cautiously"
2
"lightly"
3
"quickly"
4
"slightly"
5
"very"
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)
0.1427%
AI-ism word frequency
Target: <1% AI-ism words (140 tracked)
wordCount
1402
totalAiIsms
14
found
0
word
"enigmatic"
count
1
1
word
"facade"
count
1
2
word
"tinged"
count
1
3
word
"glistening"
count
1
4
word
"quivered"
count
1
5
word
"oppressive"
count
1
6
word
"unwavering"
count
1
7
word
"profound"
count
1
8
word
"stark"
count
1
9
word
"weight"
count
1
10
word
"amidst"
count
1
11
word
"echoing"
count
1
12
word
"etched"
count
2
highlights
0
"enigmatic"
1
"facade"
2
"tinged"
3
"glistening"
4
"quivered"
5
"oppressive"
6
"unwavering"
7
"profound"
8
"stark"
9
"weight"
10
"amidst"
11
"echoing"
12
"etched"
100.0000%
Cliche density
Target: ≤1 cliche(s) per 800-word window
totalCliches
1
maxInWindow
1
found
0
label
"eyes widened/narrowed"
count
1
highlights
0
"eyes narrowed"
100.0000%
Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells
0
narrationSentences
86
matches
(empty)
100.0000%
Filter word density
Target: ≤12% sentences with filter/hedge words
filterCount
1
hedgeCount
1
narrationSentences
86
filterMatches
0
"watch"
hedgeMatches
0
"tried to"
100.0000%
Overuse of "that" (subordinate clause padding)
Target: ≤10% sentences with "that" clauses
thatCount
0
totalSentences
105
matches
(empty)
100.0000%
Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs
42
mean
33.14
std
19.73
cv
0.595
sampleLengths
0
76
1
71
2
73
3
18
4
29
5
37
6
30
7
48
8
4
9
11
10
8
11
35
12
33
13
25
14
20
15
31
16
24
17
41
18
42
19
59
20
63
21
64
22
30
23
10
24
18
25
14
26
28
27
17
28
15
29
17
30
10
31
39
32
2
33
35
34
46
35
44
36
46
37
21
38
43
39
7
40
65
41
43
100.0000%
Passive voice overuse
Target: ≤5% passive sentences
passiveCount
0
totalSentences
86
matches
(empty)
100.0000%
Past progressive (was/were + -ing) overuse
Target: ≤10% past progressive verbs
pastProgressiveCount
0
totalVerbs
189
matches
(empty)
86.7294%
Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount
1115
adjectiveStacks
2
stackExamples
0
"single rune-etched lantern."
1
"far beyond common smuggling."
adverbCount
40
adverbRatio
0.03587443946188341
lyAdverbCount
24
lyAdverbRatio
0.021524663677130046
100.0000%
Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences
105
echoCount
0
echoWords
(empty)
100.0000%
Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences
105
mean
13.26
std
7.38
cv
0.557
sampleLengths
0
20
1
21
2
17
3
18
4
30
5
31
6
10
7
35
8
15
9
23
10
11
11
7
12
17
13
12
14
26
15
11
16
15
17
15
18
9
19
12
20
12
21
8
22
7
23
4
24
4
25
7
26
8
27
14
28
21
29
9
30
13
31
9
32
2
33
9
34
16
35
16
36
4
37
16
38
15
39
8
40
16
41
9
42
16
43
4
44
4
45
1
46
7
47
20
48
16
49
6
72.6984%
Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats
2
diversityRatio
0.44761904761904764
totalSentences
105
uniqueOpeners
47
0.0000%
Dialogue tag variety (said vs. fancy)
Target: ≤30% fancy dialogue tags
totalTags
8
fancyCount
7
fancyTags
0
"she greeted with a clipped nod (greet clip)"
1
"she responded, tucking an unruly curl behind her ear again (respond, tuck)"
2
"Eva said, producing the small brass artifact from her satchel (say, produce)"
3
"the voice was smooth, unhurried, tinged with an accent foreign and old (be unhurry, tinged)"
4
"the figure replied, a smile playing on his lips (reply, play)"
5
"the figure stepped forward, unperturbed by her weapon (step unperturb)"
6
"he gestured to the relics around them (gesture)"
82.0103%