NC Bench
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Run: 2026-02-17-01KHMR455C544DEC08S6R15J50
Run Details
Model:
Gemini 2.5 Flash Lite
Test:
Bad Writing Habits
Scenario:
Thriller: chase through city streets
Duration:
8.9s
Cost:
$0.000698
Provider:
Google AI Studio
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
Messages
Meta
AI
The rain hammered down, turning the London streets into slick, black mirrors reflecting the hurried blur of neon. Detective Harlow Quinn’s boots splashed through puddles, the worn leather of her
watch
digging into her wrist with every stride. Eighteen years on the force, and the familiar sting of cold rain still found its way through her Kevlar. But tonight, the chill wasn’t just the weather. It was the hunt. Her quarry, a wiry bloke named Silas, had slipped through her grasp an hour ago. A petty thief, he’d
been seen
fencing goods from the property of a recently deceased occultist. Nothing overtly supernatural, yet. But Silas had a history, a network that snaked into the darker corners of the city, the kind of places the Met wouldn't touch with a ten-foot pole. Places Harlow
was beginning
to believe existed. Silas ducked into a narrow alley, a dark maw that reeked of damp brick and something vaguely metallic. Harlow didn’t hesitate. She knew the shortcuts, the alleys. They
were laid
out in her mind like the city maps that wallpapered Silas’s favourite haunt, The Raven’s Nest. She’d spent more time than she cared to admit staring at those maps, tracing lines, imagining routes. The chase led her through a labyrinth of forgotten courtyards and fire escapes, the city’s breath coming in ragged gasps around her. Silas was fast, agile, clearly more accustomed to this kind of urban scramble than she was. He clambered over overflowing bins, his shadow leaping and contorting in the erratic glow of flickering streetlights. Then, he vanished. One moment, a fleeting glimpse of his drab jacket disappearing around a corner; the next, nothing but a dead end, a graffiti-scarred wall rising in her path. Harlow skidded to a halt, her breath misting in the frigid air. She spun around, scanning the grimy brickwork, the choked gutters. No sign of him. It was as if the alley had swallowed him whole. “Damn it,” she muttered, her voice a low growl against the drumming rain. She’d lost him. Again. But something felt off. The sheer efficiency of his disappearance, the way the alley
seemed to
fold in on itself,
unsettled
her. It wasn’t just a good escape; it felt… unnatural. A prickle of something she couldn't quite name ran up her spine, a sensation that had become all too familiar since the incident with Morris. She moved back towards the mouth of the alley, her
eyes narrowed
, meticulously scanning every inch of the walls. Then she saw it. A faint scuff mark on the brick, too regular to be accidental, too low to be a shoe. It was near a section of the wall that looked subtly different, a patch of brickwork that seemed darker, less worn. She ran her gloved hand over it. Cold. And then, her fingers brushed against something small, metallic, pressed into a crevice. She pulled it out. A coin. Not just any coin. It was thick, heavy, stamped with an emblem she didn’t recognize – a stylized raven in flight. It felt ancient, imbued with a faint hum of energy that
resonated
against her palm. A chill, entirely unrelated to the rain, traced its way up her arm. A bone token. She’d heard whispers of them, seen the grimy illustrations in some of the less reputable texts Silas
was known
to frequent. Gatekeepers. Accessors. And this one… this one had led Silas somewhere. Somewhere hidden. Harlow stared at the token, then at the seemingly solid brick wall. The air around her
seemed to
grow heavy, charged with an unseen current. Her military precision, honed by years of
methodical
police work, warred with a growing sense of
apprehension
. Every instinct screamed danger, unknown territory, the kind of rabbit hole she’d tried desperate to avoid since Morris. But Silas was in there. And whatever he
was involved
in, it
was escalating
. The occultist’s death… the strange artifacts turning up on the black market… it was all starting to coalesce into a pattern, a dark, disquieting
mosaic
. And she was the one piece of the puzzle that hadn’t found its place. She gripped the bone token. It was a gamble. Following Silas into this unknown might mean stepping into a world she wasn’t equipped to handle. A world where the rules she understood no longer applied, where threats weren’t just flesh and blood, but something far more ancient and insidious. She thought of Morris. Of the confusion, the terror in his eyes before he… before he
was gone
. The unexplained circumstances that had plunged her into this shadowy realm. This was more than a case now. It was a debt. A duty. With a deep, steadying breath, Harlow pushed against the section of wall where she’d found the token. It didn’t budge. She tried again, putting more force into it, her muscles tensing. Nothing. Frustration gnawed at her. She slammed her fist against the brick, a sharp crack of sound in the near-silence of the alley. Then, a click. A low grinding sound, as if a massive stone gears were
slowly
turning. The wall, with an almost imperceptible shudder, receded inwards, revealing a gaping, stone-lined passage that plunged downwards into absolute darkness. The air that wafted out was thick with the smell of dust, ozone, and something else… something earthy and primal. The rain
seemed to
hold its breath, the city’s
cacophony
fading into a distant hum. She held the bone token up, its faint glow seeming to pulse in time with her own racing heart. It pulsed in recognition of Silas’s passage, and then, tentatively, in acceptance of hers. This was it. The threshold. The point of no return. Doubt clawed at her, a cold, sharp thing. What if this was a trap? What if she stepped in and could never come back out? What if this led to the same abyss that had claimed her partner? She took another breath, the damp, alien air rasping against her lungs. She looked down at her worn leather
watch
, the familiar ticking a small anchor in the rising sea of the
uncanny
. Her service revolver felt heavy and reassuring in its holster. She was a detective. Her job was to follow the evidence, to run down the leads, no matter how dangerous, no matter how strange. Silas was down there. And whatever secrets the occultist had taken to his grave, they were likely buried even deeper now, in the unmapped territories of this city’s underbelly. The Veil Market. The whispered name
echoed
in her mind, a place beyond maps, beyond jurisdiction, beyond everything she thought she knew. She stepped forward, her boots landing on the cold, slick stone. The passage
seemed to
swallow the light from the alley, and with it, a part of her certainty. The wall slid shut behind her with a soft, final thud, plunging her into a darkness so absolute it felt like a physical
weight
. The only light was the faint,
spectral
glow of the bone token in her hand, a
beacon
in the encroaching unknown. The chase was over. The real hunt, she suspected, was just beginning.
created_at
"2026-02-17T02:51:08.232717+00:00"
2/17/2026, 2:51:08 AM
model
"google/gemini-2.5-flash-lite"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
191
moderation_latency
(null)
generation_time
8857
tokens_prompt
914
tokens_completion
1763
native_tokens_prompt
852
native_tokens_completion
1531
native_tokens_completion_images
0
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
0.0006976
router
(null)
provider_responses
0
status
200
is_byok
false
latency
191
endpoint_id
"ce839073-aa24-4f29-8358-15b319bd05ec"
provider_name
"Google AI Studio"
model_permaslug
"google/gemini-2.5-flash-lite"
api_type
"completions"
id
"gen-1771296658-q7gqhcj6vTJgNlKJpUgM"
upstream_id
(null)
total_cost
0.0006976
cache_discount
(null)
upstream_inference_cost
0
provider_name
"Google AI Studio"
Evaluation details
Result
Evaluator
Details
Meta Data
100.0000%
Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags
1
adverbTagCount
0
adverbTags
(empty)
91.5825%
AI-ism adverb frequency
Target: <1% AI-ism adverbs (57 tracked)
wordCount
1188
totalAiIsmAdverbs
1
found
0
adverb
"slowly"
count
1
highlights
0
"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)
7.4074%
AI-ism word frequency
Target: <1% AI-ism words (140 tracked)
wordCount
1188
totalAiIsms
11
found
0
word
"cacophony"
count
1
1
word
"beacon"
count
1
2
word
"mosaic"
count
1
3
word
"resonated"
count
1
4
word
"spectral"
count
1
5
word
"uncanny"
count
1
6
word
"methodical"
count
1
7
word
"unsettled"
count
1
8
word
"apprehension"
count
1
9
word
"weight"
count
1
10
word
"echoed"
count
1
highlights
0
"cacophony"
1
"beacon"
2
"mosaic"
3
"resonated"
4
"spectral"
5
"uncanny"
6
"methodical"
7
"unsettled"
8
"apprehension"
9
"weight"
10
"echoed"
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
109
matches
(empty)
100.0000%
Filter word density
Target: ≤12% sentences with filter/hedge words
filterCount
2
hedgeCount
4
narrationSentences
109
filterMatches
0
"watch"
hedgeMatches
0
"seemed to"
100.0000%
Overuse of "that" (subordinate clause padding)
Target: ≤10% sentences with "that" clauses
thatCount
0
totalSentences
109
matches
(empty)
35.6667%
Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs
19
mean
62.37
std
17.14
cv
0.275
sampleLengths
0
69
1
70
2
63
3
55
4
66
5
73
6
83
7
81
8
11
9
60
10
53
11
49
12
42
13
54
14
71
15
81
16
67
17
51
18
86
100.0000%
Passive voice overuse
Target: ≤5% passive sentences
passiveCount
5
totalSentences
109
matches
0
"been seen"
1
"were laid"
2
"was known"
3
"was involved"
4
"was gone"
100.0000%
Past progressive (was/were + -ing) overuse
Target: ≤10% past progressive verbs
pastProgressiveCount
2
totalVerbs
182
matches
0
"was beginning"
1
"was escalating"
99.5868%
Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount
1186
adjectiveStacks
0
stackExamples
(empty)
adverbCount
48
adverbRatio
0.04047217537942664
lyAdverbCount
13
lyAdverbRatio
0.010961214165261383
100.0000%
Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences
109
echoCount
0
echoWords
(empty)
100.0000%
Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences
109
mean
10.87
std
7.23
cv
0.665
sampleLengths
0
18
1
20
2
19
3
8
4
4
5
15
6
16
7
4
8
28
9
7
10
18
11
3
12
6
13
19
14
17
15
22
16
16
17
17
18
3
19
27
20
12
21
10
22
4
23
10
24
13
25
3
26
1
27
4
28
18
29
8
30
1
31
25
32
19
33
4
34
18
35
21
36
7
37
1
38
13
39
4
40
2
41
4
42
17
43
15
44
13
45
3
46
21
47
1
48
1
49
3
43.1193%
Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats
13
diversityRatio
0.3302752293577982
totalSentences
109
uniqueOpeners
36
0.0000%
Dialogue tag variety (said vs. fancy)
Target: ≤30% fancy dialogue tags
totalTags
1
fancyCount
1
fancyTags
0
"she muttered, her voice a low growl against the drumming rain (mutter, voice)"
81.0213%