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Run: 2026-02-17-01KHMMHF1P83M3SNKMTJT678JE
Run Details
Model:
Claude 3 Haiku
Test:
Bad Writing Habits
Scenario:
Thriller: chase through city streets
Duration:
9.3s
Cost:
$0.001812
Provider:
Anthropic
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
Rain pounded the pavement as Detective Harlow Quinn raced through the deserted streets of Soho, her eyes locked on the fleeing figure up ahead. Tomás Herrera had slipped through her fingers once too often, and she wasn't about to let him vanish into the night again. Her boots splashed through the puddles, the worn leather of her jacket soaked through as she pushed her body to its limits. Herrera was fast, but Quinn had youth on her side. She closed the distance, her hand darting towards her holster as she prepared to call out for him to stop. Before she could act, Herrera ducked into a narrow alleyway, disappearing from view. With a frustrated growl, Quinn followed, her senses heightened as she
navigated
the twisting path. The sound of dripping pipes and the distant hum of traffic
echoed
around her, but there was no sign of her quarry. Ahead, a metal door stood ajar, the faint glow of light spilling out into the gloom. Without hesitation, Quinn surged forward, bursting through the entryway and into what
appeared to
be an abandoned underground station. The space was vast, dimly lit by flickering bulbs that cast long shadows across the crumbling tiles.
The air was thick with
the scent of burnt sage and something...
otherworldly
. Quinn's hand tightened on her weapon as she swept her gaze across the cavernous chamber, searching for any sign of movement. "Herrera!" she called out, her voice
echoing
off the walls. "There's nowhere left to run." A faint shuffle to her left drew her attention, and she whirled, gun raised. But the figure that emerged from the shadows was not her suspect. Instead, a young woman with vibrant blue hair and piercing eyes stepped forward, hands raised in a gesture of surrender. "Easy, Detective," she said, her voice calm and even. "We mean you no harm." Quinn narrowed her eyes, unwilling to let her guard down. "Where is Herrera?" The woman tilted her head, a faint smile playing at the corners of her lips. "I'm afraid I can't
disclose that information
. But perhaps I can offer you something else that might be of interest?" Quinn hesitated, her mind racing. She knew she should pursue Herrera, but something about this woman and the strange atmosphere of the place had piqued her curiosity. Reluctantly, she lowered her weapon, though she kept it within easy reach. "I'm listening," she said, her tone clipped. The woman's smile widened, and she gestured for Quinn to follow. "This way, if you please." Casting one last glance around the cavernous space, Quinn fell into step behind the woman, her senses on high alert. They wove through a maze of narrow corridors, the air growing thicker with the scent of incense and the faint hum of energy. Quinn felt a prickle of unease, but her investigative instincts
were piqued
. Finally, the woman stopped before a heavy wooden door, ornately carved with
intricate
symbols. She produced a small bone token from the pocket of her coat and pressed it into the center of the door, which swung open silently. "Welcome to the Veil Market," the woman said, ushering Quinn inside. The room beyond was a bustling hub of activity, its high vaulted ceiling adorned with glowing orbs that cast a warm glow over the scene. Stalls lined the walls, their wares ranging from the mundane to the
truly
fantastical. Quinn's
eyes widened
as she took in the sight, her mind struggling to process what she
was seeing
. "What is this place?" she breathed, her gaze drawn to a stall where a creature with scales and horns
was bartering
with a cloaked figure. "As I said, the Veil Market," the woman replied, a hint of amusement in her voice. "It's a place where the supernatural and the mundane intersect, where those with... unique needs can find what they seek." Quinn felt a shiver run down her spine. "Supernatural? You mean like..." "Vampires, werewolves, witches, and the like?" The woman chuckled. "Yes, Detective, those are all
very
real. And they all have a presence here." Quinn's hand instinctively went to her holster, her fingers brushing against the cold metal of her gun. "And Herrera? What is his connection to all of this?" The woman's expression darkened. "Ah, Tomás. He's a... special case. A former healer who lost his way, you could say. He's been using his skills to aid those in need, but his methods have drawn the attention of those who would seek to exploit his abilities." Quinn's brow
furrowed
. "So he's not the one I should be after?" The woman shook her head. "Not entirely. Tomás is caught up in a larger web of intrigue and power struggles. If you
truly
wish to uncover the truth, Detective, you'll need to
delve
deeper into the hidden world of the supernatural." Quinn's mind raced, her instincts warring with her sense of duty. She knew she should pursue Herrera, but the prospect of uncovering a deeper mystery was
tantalizing
. With a resigned sigh, she nodded. "All right, I'm listening. What can you tell me?" The woman's lips curled into a satisfied smile. "Excellent. Let's begin with the Raven's Nest..."
created_at
"2026-02-17T01:48:30.246189+00:00"
2/17/2026, 1:48:30 AM
model
"anthropic/claude-3-haiku"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
442
moderation_latency
(null)
generation_time
9148
tokens_prompt
914
tokens_completion
1304
native_tokens_prompt
917
native_tokens_completion
1266
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
0.00181175
router
(null)
provider_responses
0
id
"msg_01AHFAQJGPR8CeUnutrDggjh"
status
200
is_byok
false
latency
441
endpoint_id
"8661a1db-b0cf-4eb2-ba04-c2a79f698682"
provider_name
"Anthropic"
model_permaslug
"anthropic/claude-3-haiku"
api_type
"completions"
id
"gen-1771292900-SGg4RELU8fCRt7wphvHr"
upstream_id
"msg_01AHFAQJGPR8CeUnutrDggjh"
total_cost
0.00181175
cache_discount
(null)
upstream_inference_cost
0
provider_name
"Anthropic"
Evaluation details
Result
Evaluator
Details
Meta Data
100.0000%
Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags
5
adverbTagCount
0
adverbTags
(empty)
53.4884%
AI-ism adverb frequency
Target: <1% AI-ism adverbs (57 tracked)
wordCount
860
totalAiIsmAdverbs
4
found
0
adverb
"reluctantly"
count
1
1
adverb
"truly"
count
2
2
adverb
"very"
count
1
highlights
0
"reluctantly"
1
"truly"
2
"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)
6.9767%
AI-ism word frequency
Target: <1% AI-ism words (140 tracked)
wordCount
860
totalAiIsms
8
found
0
word
"otherworldly"
count
1
1
word
"intricate"
count
1
2
word
"tantalizing"
count
1
3
word
"furrowed"
count
1
4
word
"delve"
count
1
5
word
"echoed"
count
1
6
word
"echoing"
count
1
7
word
"navigated"
count
1
highlights
0
"otherworldly"
1
"intricate"
2
"tantalizing"
3
"furrowed"
4
"delve"
5
"echoed"
6
"echoing"
7
"navigated"
66.6667%
Cliche density
Target: ≤1 cliche(s) per 800-word window
totalCliches
2
maxInWindow
2
found
0
label
"eyes widened/narrowed"
count
1
1
label
"air was thick with"
count
1
highlights
0
"eyes widened"
1
"The air was thick with"
100.0000%
Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells
0
narrationSentences
47
matches
(empty)
100.0000%
Filter word density
Target: ≤12% sentences with filter/hedge words
filterCount
0
hedgeCount
1
narrationSentences
47
filterMatches
(empty)
hedgeMatches
0
"appeared to"
100.0000%
Overuse of "that" (subordinate clause padding)
Target: ≤10% sentences with "that" clauses
thatCount
1
totalSentences
61
matches
0
"disclose that information"
100.0000%
Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs
28
mean
30.71
std
15.88
cv
0.517
sampleLengths
0
46
1
52
2
50
3
35
4
51
5
15
6
46
7
14
8
13
9
35
10
39
11
7
12
16
13
55
14
39
15
11
16
57
17
25
18
36
19
12
20
23
21
27
22
46
23
12
24
41
25
33
26
9
27
15
100.0000%
Passive voice overuse
Target: ≤5% passive sentences
passiveCount
1
totalSentences
47
matches
0
"were piqued"
100.0000%
Past progressive (was/were + -ing) overuse
Target: ≤10% past progressive verbs
pastProgressiveCount
2
totalVerbs
112
matches
0
"was seeing"
1
"was bartering"
100.0000%
Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount
645
adjectiveStacks
0
stackExamples
(empty)
adverbCount
14
adverbRatio
0.021705426356589147
lyAdverbCount
8
lyAdverbRatio
0.012403100775193798
100.0000%
Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences
61
echoCount
0
echoWords
(empty)
100.0000%
Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences
61
mean
14.1
std
7.92
cv
0.562
sampleLengths
0
24
1
22
2
22
3
10
4
20
5
13
6
15
7
22
8
16
9
19
10
17
11
12
12
1
13
21
14
10
15
5
16
14
17
12
18
20
19
9
20
5
21
10
22
3
23
15
24
20
25
5
26
22
27
12
28
7
29
11
30
5
31
20
32
23
33
12
34
14
35
25
36
11
37
25
38
14
39
18
40
25
41
16
42
20
43
8
44
4
45
9
46
14
47
17
48
10
49
4
98.3607%
Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats
1
diversityRatio
0.639344262295082
totalSentences
61
uniqueOpeners
39
75.0000%
Dialogue tag variety (said vs. fancy)
Target: ≤30% fancy dialogue tags
totalTags
5
fancyCount
2
fancyTags
0
"she said, her tone clipped (say, clip)"
1
"the woman said, ushering Quinn inside (say, usher)"
88.2643%