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Run: 2026-02-17-01KHMMHK75041570QZDE5NJ7JH
Run Details
Model:
Claude 3 Haiku
Test:
Bad Writing Habits
Scenario:
Thriller: chase through city streets
Duration:
15.9s
Cost:
$0.001924
Provider:
Amazon Bedrock
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 poured down in sheets, streaking the neon signs and casting an eerie glow over the city streets. Detective Harlow Quinn scowled as she tightened the collar of her coat, her keen eyes scanning the shadows for any sign of her target. She had been trailing Tomás Herrera for weeks, piecing together his connections to the shadowy clique she suspected
was involved
in a string of occult-related murders. The man was clever, disappearing into the Soho crowds whenever she got too close. But tonight, she had him dead to rights. Herrera's head swiveled as he glanced back over his shoulder, his gaze meeting Harlow's. His eyes went wide with panic, and he broke into a dead sprint, his leather shoes slapping against the wet pavement. "Freeze! Police!" Harlow shouted, breaking into a run. Her lungs burned as she pushed her body to its limits, the adrenaline coursing through her veins. She couldn't lose him, not this time. Herrera darted around the corner, vanishing from sight. Harlow pushed harder, rounding the bend just in time to see him disappear down a set of stairs leading into the darkness of an abandoned Tube station. Without hesitation, Harlow barreled down the steps, her boots pounding against the concrete. The air grew thick with the scent of damp earth and stale air as she descended into the bowels of the city. The shadows
seemed to
close in around her, and she could feel the
oppressive
weight
of the city above pressing down. As she reached the bottom, the sound of Herrera's retreating
footsteps
echoed
through the cavernous space. Harlow paused, her eyes adjusting to the gloom. The station was eerily quiet, save for the distant rumble of trains. She drew her service weapon, the metal cool and steady in her grip. "Herrera! There's no way out! Give it up!" she shouted, her voice
echoing
off the tiled walls. Silence. Harlow gripped her gun tighter, her finger hovering over the trigger as she advanced
cautiously
into the station. Up ahead, she could make out the faint silhouette of a doorway, its edges illuminated by a soft, flickering light. As she drew closer, the sound of muffled voices reached her ears. Harlow narrowed her eyes, steeling herself for what might lie beyond. With a deep breath, she stepped through the doorway, her gun raised and ready. The scene that unfolded before her was unlike anything she had ever witnessed. The room was dimly lit by a handful of flickering candles, casting long shadows across the space. Shelves lined the walls, filled with an assortment of strange and unfamiliar objects – jars of mysterious liquids, ornate daggers, and what
appeared to
be ancient tomes. In the center of the room stood a group of people, their faces obscured by hooded cloaks. They turned to face her, and Harlow felt a chill run down her spine at the sight of their blank, featureless masks. "What the hell is this place?" she demanded, her voice sharp and authoritative. One of the hooded figures stepped forward, its movements slow and deliberate. "This is the Veil Market, Detective Quinn. A place where the hidden world of the supernatural meets the mundane. I'm afraid you've stumbled upon something you were never meant to see." Harlow's grip on her weapon tightened, her knuckles turning white. "Where's Herrera?" The figure raised a gloved hand. "The man you seek is long gone, Detective. He has found
sanctuary
here, where the laws of your world do not apply." Harlow's
jaw clenched
, her frustration boiling over. "I don't care about your laws or your _
sanctuary
_. I'm taking Herrera in, and I'm shutting this place down." The figure chuckled, the sound hollow and unsettling. "I'm afraid that won't be possible. This market is a vital part of the balance that keeps our world and yours from colliding. To interfere would be to invite chaos." Harlow felt a bead of sweat trickle down the back of her neck. The air in the room
seemed to
hum with an
otherworldly
energy, and she couldn't shake the feeling that she was in over her head. "I don't care about your _balance_ ," she spat. "Herrera is a murderer, and I'm going to bring him to justice, no matter what." The figure raised a hand, and the others around it
began to
move, closing in on Harlow. "Then you leave us no choice, Detective. You have trespassed on ground that is not yours to walk. For the sake of the Veil, we cannot allow you to leave this place." Harlow's
heart pounded in her chest
as the hooded figures advanced, their movements fluid and unnatural. She knew she
was outmatched
, outgunned, and out of her element. But she wasn't about to go down without a fight. With a deep breath, she
steeled
her nerves and took a step forward, her gun leveled at the approaching figures. "I don't care what you are or what you think you're protecting," she growled. "This is my city, and I'm not going anywhere." The figures paused, their blank masks seeming to regard her with a mixture of curiosity and disdain. Harlow could feel the tension in the air, thick and
palpable
, as the two sides faced off, neither willing to back down. In that moment, Harlow knew she
was standing
on the edge of a precipice, staring into the abyss of a world she had never known existed. But she was a cop, and protecting the city was her duty, no matter the cost. With a grim determination, she tightened her grip on her weapon and prepared to make her stand.
created_at
"2026-02-17T01:48:41.059769+00:00"
2/17/2026, 1:48:41 AM
model
"anthropic/claude-3-haiku"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
215
moderation_latency
323
generation_time
14749
tokens_prompt
914
tokens_completion
1387
native_tokens_prompt
917
native_tokens_completion
1356
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
0.00192425
router
(null)
provider_responses
0
id
"373f4f9a-288a-4021-80ea-66446924dfb0"
status
200
is_byok
false
latency
215
endpoint_id
"401c6f0f-caeb-4c84-92b7-e163dbccf7c2"
provider_name
"Amazon Bedrock"
model_permaslug
"anthropic/claude-3-haiku"
api_type
"completions"
id
"gen-1771292904-tpaxUB1v1qLfkNQ7SagS"
upstream_id
"373f4f9a-288a-4021-80ea-66446924dfb0"
total_cost
0.00192425
cache_discount
(null)
upstream_inference_cost
0
provider_name
"Amazon Bedrock"
Evaluation details
Result
Evaluator
Details
Meta Data
100.0000%
Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags
4
adverbTagCount
0
adverbTags
(empty)
89.3162%
AI-ism adverb frequency
Target: <1% AI-ism adverbs (57 tracked)
wordCount
936
totalAiIsmAdverbs
1
found
0
adverb
"cautiously"
count
1
highlights
0
"cautiously"
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)
wordCount
936
totalAiIsms
10
found
0
word
"palpable"
count
1
1
word
"sanctuary"
count
1
2
word
"oppressive"
count
1
3
word
"otherworldly"
count
1
4
word
"steeled"
count
1
5
word
"jaw clenched"
count
1
6
word
"weight"
count
1
7
word
"footsteps"
count
1
8
word
"echoed"
count
1
9
word
"echoing"
count
1
highlights
0
"palpable"
1
"sanctuary"
2
"oppressive"
3
"otherworldly"
4
"steeled"
5
"jaw clenched"
6
"weight"
7
"footsteps"
8
"echoed"
9
"echoing"
66.6667%
Cliche density
Target: ≤1 cliche(s) per 800-word window
totalCliches
2
maxInWindow
2
found
0
label
"heart pounded in chest"
count
1
1
label
"jaw/fists clenched"
count
1
highlights
0
"heart pounded in her chest"
1
"jaw clenched"
100.0000%
Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells
0
narrationSentences
51
matches
(empty)
100.0000%
Filter word density
Target: ≤12% sentences with filter/hedge words
filterCount
0
hedgeCount
4
narrationSentences
51
filterMatches
(empty)
hedgeMatches
0
"seemed to"
1
"appeared to"
2
"began to"
100.0000%
Overuse of "that" (subordinate clause padding)
Target: ≤10% sentences with "that" clauses
thatCount
0
totalSentences
59
matches
(empty)
51.7685%
Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs
26
mean
36
std
11.92
cv
0.331
sampleLengths
0
43
1
48
2
35
3
32
4
35
5
56
6
49
7
17
8
39
9
37
10
57
11
39
12
13
13
43
14
12
15
28
16
26
17
38
18
38
19
24
20
49
21
37
22
43
23
39
24
42
25
17
100.0000%
Passive voice overuse
Target: ≤5% passive sentences
passiveCount
2
totalSentences
51
matches
0
"was involved"
1
"was outmatched"
100.0000%
Past progressive (was/were + -ing) overuse
Target: ≤10% past progressive verbs
pastProgressiveCount
1
totalVerbs
131
matches
0
"was standing"
100.0000%
Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount
741
adjectiveStacks
0
stackExamples
(empty)
adverbCount
9
adverbRatio
0.012145748987854251
lyAdverbCount
4
lyAdverbRatio
0.005398110661268556
100.0000%
Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences
59
echoCount
0
echoWords
(empty)
100.0000%
Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences
59
mean
15.86
std
6.95
cv
0.438
sampleLengths
0
19
1
24
2
26
3
14
4
8
5
14
6
21
7
8
8
17
9
7
10
8
11
27
12
13
13
22
14
21
15
16
16
8
17
12
18
13
19
17
20
1
21
18
22
20
23
12
24
11
25
14
26
13
27
17
28
27
29
17
30
22
31
13
32
12
33
31
34
10
35
2
36
6
37
22
38
7
39
19
40
8
41
30
42
13
43
25
44
9
45
15
46
17
47
32
48
16
49
11
59.8870%
Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats
3
diversityRatio
0.3898305084745763
totalSentences
59
uniqueOpeners
23
0.0000%
Dialogue tag variety (said vs. fancy)
Target: ≤30% fancy dialogue tags
totalTags
4
fancyCount
4
fancyTags
0
"shouted (shout)"
1
"shouted (shout)"
2
"demanded (demand)"
3
"she growled (growl)"
80.4493%