NC Bench
Overview
About
Tests
Models
Vendors
Run: 2026-02-17-01KHMQZ3H3D2X35H6W4CQF2G0J
Run Details
Model:
Z.AI GLM 4.7 Flash
Test:
Bad Writing Habits
Scenario:
Mystery: examining a crime scene
Duration:
1m 28s
Cost:
$0.001661
Provider:
Z.AI
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
The air in the abandoned Tube station tasted of wet concrete and the sharp, metallic tang of ozone. Harlow Quinn adjusted the strap of her leather
watch
, the leather worn smooth from eighteen years of service, and stepped over a pile of damp newspaper still clinging to the rusted tracks. Her boots clicked rhythmically against the tiling, a sharp military cadence that
echoed
in the vast, subterranean space. "She’s late," Eva said from the shadows. Harlow didn't turn. She
knew that voice
; it was the frantic, high-pitched whisper of a woman
calculating
the probability of
being caught
. She saw the curly red hair of Eva Kowalski spill over the edge of a concrete pillar, framing a face pale under the flickering gaslight. "The Market moves faster than the timetable, Evie. Stop hiding." "I’m not hiding. I’m establishing a containment field with my mind." Eva stepped out, her worn leather satchel slung over one shoulder, bouncing against her hip. She pushed her round glasses up her nose, a nervous tic she performed whenever the walls
seemed to
close in. Harlow stopped near the base of the southern platform. The usual vendors—strange alchemists and pawnbrokers selling stolen souls—were notably absent. Instead, the air hung thick with a heavy, unnatural silence. A body lay in the center of the tracks, half-buried in the debris of a collapsed ticket booth. "Police," Harlow called out, her voice resonating in the tunnel. "Identify yourself." A young uniformed officer, Detective Constable Miller, stepped into the amber glow of a nearby station light. He looked pale, his uniform rumpled, and he kept his hand near his holster. "Detective Quinn. You're too early. The crowd hasn't—well, never mind that now. Victim's unresponsive. We found him about ten minutes ago." "Twenty minutes," Harlow corrected, her sharp jawline set in a grim line as she approached the body. "According to the bone token harvest." Miller flinched, his eyes darting to the empty space beside him where a vendor usually stood. "We've got a situation, sir. Looks like a robbery gone wrong. Mugger jumped him. This is Silas Vane. Known fence for the purloined items." Harlow crouched beside the corpse. Silas Vane was a plague on this city, but the cause of his death looked... too clean. "The mugging was gentle," Harlow observed, her gaze scanning the prone figure. She noted the stillness of his limbs, the precise positioning of his hands as if surrendering. "If a mugger had held a knife to him, he wouldn't have gone willingly. And he wouldn't have chosen a spot with a three-foot drop on either side." Miller sighed, wiping sweat from his forehead. "Standard operating procedure, Quinn. People freeze. Adrenaline dump. The report is straightforward." Harlow reached out, her movements economical and precise. She ignored the dust on her gloves and turned Vane’s hand over. There was no defensive wound on the palms. No sign of a struggle in the dust around him. "Stand back, Miller," Harlow said, her tone brooking no argument. She pulled the small brass compass from her pocket. It was a piece of junk she’d bought years ago from a shady contact in the market—crafted by a Shade artisan, she suspected, though she’d never confirmed it. The casing had a dull patina of verdigris, and the face
was etched
with sigils that buzzed faintly against her skin. Under normal circumstances, the needle was useless; it pointed to true north. But since the incident with DS Morris, Harlow had learned to trust the erratic. It attuned itself to the bleed of supernatural energy. She opened the casing. The needle
began to
spin, wild and erratic, a silver blur that cut through the damp air. "What is it?" Eva whispered, stepping closer, the leather strap of her satchel creaking. She peered over Harlow’s shoulder, her green eyes wide with analytical focus. "Is he possessed? I don’t see a mark. The usual... the usual ether-wounds." "Nothing like this," Harlow muttered. She traced a line in the dust with her finger. The compass
wasn't pointing
at the body. It
wasn't pointing
at the dark tunnel behind them, nor the trash-strewn platform ahead. It
was pointing
straight down. At their feet. Eva leaned in, her nose wrinkling at the smell. "Wait. Look at the shadow." Harlow followed her gaze. Vane
was lying
on a slight upward grade, a sliver of concrete platform that jutted out into the darkness. A neon sign for a closed convenience store buzzed overhead, casting a single,
stark
beam. The shadow cast by the body—extended by the angle of the light—didn't look like a shadow at all. It looked like the disruption of a liquid. "He didn't fall," Harlow said, a cold dread settling in the pit of her stomach. "Someone opened a door and he walked into a wall. Or a floor." "Supernatural contract gone wrong?" Eva asked, her fingers twitching as she reached for a pen in her pocket. "Maybe the buyer failed to pay? The Veil Market enforces debts with the... the teeth of the void." Harlow frowned, pressing the brass compass closer to the concrete floor. The needle
was vibrating
so hard it was almost audible, a high-pitched whine that made her teeth ache. She looked at the dead man’s chest. His shirt
was singed
. Not from a bullet, not from a stab. It
was cauterized
, the edges blackened and curled. "A blood sacrifice," Harlow realized. "But the blood was drained, not spilled." She stood up abruptly, the heel of her boot crunching on a stray bottle. The movement broke the tension in the tunnel. The needle of the compass snapped into place, spinning once, twice, and then locking with a sharp *clack*. It
wasn't pointing
to a rift. It
was pointing
to a specific object in the tunnel. Harlow turned her back to the body and marched toward the crumbling masonry of the far wall. She pulled a heavy-duty flashlight from her belt and scanned the face of the stone. Graffiti, discarded flyers, evidence of years of dereliction. Then, she saw it. A microscopic imperfection in the stonework. A faint discoloration in the mortar, barely a millimeter wide. It looked like a scar in the rough stone. "Evie, get down here," Harlow commanded. Eva abandoned her satchel, dropping it unceremoniously onto the debris, and scrambled over. She adjusted her glasses, eyes darting back and forth. "What is it? A seam? A smuggler’s crawl?" "Look at the seal." Harlow shone the flashlight beam directly onto the spot. Eva squinted, leaning in so close her freckled nose almost touched the brick. "It’s a sigil. A
very
old one. A stabilization lock. But the line... the center line has been snapped." "Exactly." Harlow turned to Miller, who had been
watch
ing them from a distance, looking lost. "Miller, step over here." The young officer hesitated, looking at the compass in Harlow’s hand. "Sir?" "Come here." Harlow pointed at the stone. "Pull on that loose brick, third row down. It’s not loose; it’s a release mechanism." Miller stepped forward, skeptical, and gripped the stone. With a groan of protesting masonry, he pried it free. Behind the brick, hidden in the hollowed-out space of the tunnel wall, sat a small, glass vial. It
was filled
with a glowing, viscous red liquid that pulsed like a heartbeat. A silence fell over the station, heavy and suffocating. "What... what
is that?" Miller
asked, his voice trembling. Harlow walked over and picked up the vial. It felt warm in her gloved hand. She looked down at Silas Vane’s body again. "He wasn't mugged," Harlow said, her voice low and dangerous. "He was a courier. He carried this to this location for a buyer. The buyer didn't meet him at the market. They met him in the geometry of this tunnel." She screwed the cap back on the vial, though she didn't put it away. She held it up to the dim light,
watch
ing the liquid swirl. "A transfer," Eva whispered, her voice trembling with a mix of fear and scientific awe. "The tunnel itself swallowed him to secure the transaction." Harlow pocketed the vial, her hand tightening around the leather strap of her
watch
. The energy of the Compass was still humming against her palm, sensing the artifact now. "The Market doesn't close," Harlow said, staring into the dark mouth of the tunnel. "It changes, but it never stops." She looked at Miller, her brown eyes hard and unyielding. "We can't file this one under homicide, Miller. There’s no body to bury, and no suspect to arrest." "But sir—" "There is no crime scene," Harlow corrected. "There is only a doorway that closed." She turned to leave, Eva scrambling to gather her books. As they stepped away from the corpse, the compass in Harlow’s pocket finally went still. The vibration faded, replaced by the distant, rhythmic sound of the London Underground trains far above them—nothing but metal on rails and the thunder of a city that had no idea what lived beneath its feet.
created_at
"2026-02-17T02:49:41.462127+00:00"
2/17/2026, 2:49:41 AM
model
"z-ai/glm-4.7-flash-20260119"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
2377
moderation_latency
(null)
generation_time
87634
tokens_prompt
923
tokens_completion
4424
native_tokens_prompt
842
native_tokens_completion
4053
native_tokens_completion_images
(null)
native_tokens_reasoning
2111
native_tokens_cached
324
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
0.0016607
router
(null)
provider_responses
0
id
"2026021710481310ea0adc33834c5f"
status
200
is_byok
false
latency
2376
endpoint_id
"18a62ad3-010d-49c1-87bd-c2af7056db0b"
provider_name
"Z.AI"
model_permaslug
"z-ai/glm-4.7-flash-20260119"
api_type
"completions"
id
"gen-1771296493-yikzyiz1fndPO48aY0ih"
upstream_id
"2026021710481310ea0adc33834c5f"
total_cost
0.0016607
cache_discount
0.00001944
upstream_inference_cost
0
provider_name
"Z.AI"
Evaluation details
Result
Evaluator
Details
Meta Data
100.0000%
Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags
16
adverbTagCount
0
adverbTags
(empty)
93.3906%
AI-ism adverb frequency
Target: <1% AI-ism adverbs (57 tracked)
wordCount
1513
totalAiIsmAdverbs
1
found
0
adverb
"very"
count
1
highlights
0
"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)
73.5625%
AI-ism word frequency
Target: <1% AI-ism words (140 tracked)
wordCount
1513
totalAiIsms
4
found
0
word
"calculating"
count
1
1
word
"stark"
count
1
2
word
"echoed"
count
1
3
word
"etched"
count
1
highlights
0
"calculating"
1
"stark"
2
"echoed"
3
"etched"
100.0000%
Cliche density
Target: ≤1 cliche(s) per 800-word window
totalCliches
0
maxInWindow
0
found
(empty)
highlights
(empty)
100.0000%
Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells
0
narrationSentences
101
matches
(empty)
100.0000%
Filter word density
Target: ≤12% sentences with filter/hedge words
filterCount
2
hedgeCount
2
narrationSentences
101
filterMatches
0
"watch"
hedgeMatches
0
"seemed to"
1
"began to"
100.0000%
Overuse of "that" (subordinate clause padding)
Target: ≤10% sentences with "that" clauses
thatCount
2
totalSentences
124
matches
0
"knew that voice"
1
"is that?\" Miller"
100.0000%
Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs
54
mean
27.74
std
19.58
cv
0.706
sampleLengths
0
68
1
7
2
57
3
46
4
48
5
12
6
52
7
23
8
40
9
22
10
56
11
19
12
38
13
10
14
93
15
21
16
39
17
5
18
31
19
5
20
3
21
14
22
56
23
8
24
28
25
36
26
56
27
12
28
40
29
16
30
40
31
4
32
25
33
6
34
30
35
13
36
32
37
19
38
12
39
2
40
20
41
18
42
31
43
9
44
9
45
23
46
40
47
26
48
24
49
29
100.0000%
Passive voice overuse
Target: ≤5% passive sentences
passiveCount
5
totalSentences
101
matches
0
"being caught"
1
"was etched"
2
"was singed"
3
"was cauterized"
4
"was filled"
100.0000%
Past progressive (was/were + -ing) overuse
Target: ≤10% past progressive verbs
pastProgressiveCount
7
totalVerbs
185
matches
0
"wasn't pointing"
1
"wasn't pointing"
2
"was pointing"
3
"was lying"
4
"was vibrating"
5
"wasn't pointing"
6
"was pointing"
94.0000%
Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount
1164
adjectiveStacks
1
stackExamples
0
"frantic, high-pitched whisper"
adverbCount
33
adverbRatio
0.028350515463917526
lyAdverbCount
10
lyAdverbRatio
0.00859106529209622
100.0000%
Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences
124
echoCount
0
echoWords
(empty)
100.0000%
Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences
124
mean
12.08
std
6.51
cv
0.539
sampleLengths
0
18
1
32
2
18
3
7
4
3
5
19
6
25
7
10
8
26
9
20
10
9
11
11
12
10
13
18
14
10
15
2
16
17
17
14
18
21
19
17
20
6
21
16
22
24
23
5
24
15
25
2
26
12
27
16
28
28
29
7
30
12
31
8
32
12
33
8
34
10
35
10
36
9
37
28
38
21
39
12
40
14
41
9
42
4
43
17
44
14
45
12
46
13
47
5
48
10
49
7
57.2581%
Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats
9
diversityRatio
0.3870967741935484
totalSentences
124
uniqueOpeners
48
0.0000%
Dialogue tag variety (said vs. fancy)
Target: ≤30% fancy dialogue tags
totalTags
16
fancyCount
12
fancyTags
0
"Harlow called out, her voice resonating in the tunnel (call out, resonate)"
1
"Harlow corrected, her sharp jawline set in a grim line as she approached the body (correct, set approach)"
2
"Harlow observed, her gaze scanning the prone figure (observe, scan)"
3
"Harlow said, her tone brooking no argument (say, brook)"
4
"whispered (whisper)"
5
"Harlow muttered (mutter)"
6
"Harlow said, a cold dread settling in the pit of her stomach (say, settle)"
7
"Harlow realized (realize)"
8
"Harlow commanded (command)"
9
"Eva whispered, her voice trembling with a mix of fear and scientific awe (whisper, tremble)"
10
"Harlow said, staring into the dark mouth of the tunnel (say, staring)"
11
"Harlow corrected (correct)"
89.3065%