Run: 2026-03-12-01KKHYRKWBMEN1JBJRF4JA7M1B

Run Details

Duration:
36.2s
Cost:
$0.040963
Provider:
xAI

Model input

System
You are an expert fiction writer. Always keep the following rules in mind: - Write in past tense and use General English spelling, grammar, and colloquialisms/slang. - Write in active voice - Always follow the "show, don't tell" principle. - Avoid adverbs and cliches and overused/commonly used phrases. Aim for fresh and original descriptions. - Convey events and story through dialogue. - Mix short, punchy sentences with long, descriptive ones. Drop fill words to add variety. - Skip "he/she said said" dialogue tags and convey people's actions or face expressions through their speech - Avoid mushy dialog and descriptions, have dialogue always continue the action, never stall or add unnecessary fluff. Vary the descriptions to not repeat yourself. - Put dialogue on its own paragraph to separate scene and action. - Reduce indicators of uncertainty like "trying" or "maybe" When writing text: - NEVER conclude the scene on your own, follow the beat instructions very closely. - NEVER end with foreshadowing. - NEVER write further than what I prompt you with. - AVOID imagining possible endings, NEVER deviate from the instructions. - STOP EARLY if the continuation contains what was required in the instructions. You do not need to fill out the full amount of words possible.
User/Human
Take into account the following glossary of characters/locations/items/lore... when writing your response: <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> Continue the story using the following instructions: <instructions> 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. </instructions>

Model response

AI
Detective Harlow Quinn dropped from the service ladder into the damp chill of the abandoned Tube station. Her boots sent ripples across a puddle that reflected the harsh glare of portable floodlights. The platform stretched out like a forgotten grave, its tiled walls cracked and overgrown with moss that pulsed with an unnatural sheen. Makeshift stalls leaned at odd angles, their tarps torn and wares spilled in chaotic heaps. Vials of shimmering liquid mixed with twisted metal charms and bundles of dried herbs that gave off a sharp, metallic tang. She swept her flashlight beam across the mess. The body lay at the center of it all, a hooded figure collapsed beside an overturned table. Quinn knelt, her movements crisp and measured. The gash across the victim's throat stood out clean and precise, yet not a single drop of blood stained the concrete or the man's cloak. The skin had already taken on a waxy, drained look that belonged to a corpse days old, not hours. Footsteps scraped behind her. Detective Mills emerged from behind a stack of crates, notepad in hand, his face drawn tight with impatience. Standard gang dispute. Throat slit for a bad deal. Valuables stripped from the other stalls too. Quinn straightened, her sharp jaw set as she flicked the beam toward an untouched pile of glowing crystals near the body. She said nothing. Instead she stepped around the corpse, boots grinding shards of broken glass underfoot. The air carried traces of ozone and something sweeter, like overripe fruit left to rot. Eva Kowalski hovered at the edge of the cordon, her worn leather satchel bulging with books. Curly red hair framed her freckled face, and she kept tucking a stray lock behind her left ear while her green eyes darted between the body and the scattered goods. Round glasses caught the light each time she shifted. Harlow. The timing is all wrong. Mills let out a short breath that echoed off the curved ceiling. With respect, miss, this isn't your archive. We have a dead man and a market full of weird junk. Robbery fits the scene. Knife wound matches the type we see in Camden alleys every week. Quinn ignored him and lifted a small brass object from the debris. Verdigris coated its casing, and protective sigils spiraled across the face. The needle inside twitched, then locked toward the yawning mouth of a service tunnel at the platform's far end. She turned it over in her gloved hands, feeling the weight of careful craftsmanship. This was in his pocket. Needle keeps pulling the same direction no matter how I tilt it. Eva moved closer, her satchel swinging against her hip. She adjusted her glasses with one finger. Veil Compass. Points toward the nearest supernatural rift or portal. Only a handful exist. The Shade artisans etch those sigils to bind the mechanism to energy we can't measure. Mills crossed his arms, his stance wide and skeptical under the floodlights. Portals. Right. Next you'll tell me the killer rode in on a broomstick. Time of death puts this at two hours ago. Forensics found fibers under the nails that match the stall canvas. Robbery. Plain and simple. Quinn walked the perimeter of the stall, flashlight tracing faint scratches on the platform edge. The market schedule ran through her mind. This location beneath Camden only opened on full moons. Tonight the sky above ground held a slender crescent. No moon, no market. Yet here stood the stalls, the bone tokens scattered like discarded tickets near the entrance ladder. One token rested still clutched in the victim's stiff fingers, its surface carved with a symbol that matched the compass sigils. She stopped at the tunnel mouth. The compass needle spun faster now, then steadied again, pointing straight into the black. Water dripped steadily from a broken pipe overhead, each drop landing with a hollow plink that filled the silence between arguments. The market moved last full moon. Should have been somewhere under the river this cycle. Yet the setup looks days old. Foot traffic patterns in the dust suggest heavy activity yesterday, not weeks ago. Mills followed her, his shoes scuffing loud against the grit. Schedules change when criminals get desperate. Someone probably forced the vendors here for a big sale. Got interrupted. End of story. Eva stayed beside Quinn, her nervous gesture repeating as she glanced at the tunnel. The satchel slipped from her shoulder and she caught it before it hit the ground. The absence of blood bothers me more. No splatter, no pooling. The wound looks post-mortem. Like the killer wanted the scene to appear violent but needed the life force for something else. These stalls sell banned substances. Some require fresh essence to activate. Quinn held the compass higher. Its needle vibrated now, almost angry in its pull. She swept her light across the tunnel wall and caught the faint outline of matching sigils etched into the brick. The lines glowed briefly under the beam, then faded as if embarrassed to be seen. She pressed her palm flat against one. The brick gave a fraction, loose in its mortar. Her colleague shifted his weight, voice rising. Don't touch that. Could be evidence. Or a trap. We've got a team coming in to catalog everything. They'll confirm my take. Ordinary violence in an extraordinary setting. Quinn withdrew her hand but kept her gaze fixed on the slight gap. The compass case warmed against her skin, its patina rough under her thumb. She recalled the last case that had ended in unexplained loss, her partner gone without a body or a clear motive. The same ozone scent had clung to that scene too. She turned the compass slowly, watching the needle respond to each small movement. When she aimed it at the loose brick the spin intensified into a frantic dance. Eva leaned in, close enough that Quinn caught the faint scent of old paper from the books in her bag. The rifts aren't stable. The market uses them for transport between locations. Someone might have torn one open off schedule. That takes planning. And power. The victim could have been guarding the method. Mills kicked a stray bone token aside. It skittered across the platform and vanished into a crack. Speculation. We have a corpse with a slit throat in a black market. Evidence says human motives. Greed. Fear. Not magic portals. Quinn crouched again beside the body, careful not to disturb the cloak. She lifted the edge with two fingers. Beneath lay a small leather pouch, its drawstring still tied. Inside rested another bone token, this one etched with fresh lines that matched the wall sigils exactly. The victim's other hand rested near an empty vial, the glass still bearing traces of glowing residue. The residue matches the color of those spilled liquids from the next stall. Yet that stall owner packed in a hurry. Left valuables behind. Inconsistent with panic from a robbery. Eva tucked her hair back once more, voice steady despite the tremor in her hands. The clique you mentioned in your last briefing, the one dealing in restricted archives information. They know these markets. They know how to force a rift. The compass would have been his warning system. He saw the breach coming. Quinn rose to her full height, the compass still gripped tight. She aimed its face toward the loose brick again. The needle settled into a perfect line, trembling only slightly now as if satisfied. The station seemed to hold its breath around them. Distant rumbles from trains on active lines vibrated through the walls, reminding her how close normal London lay above their heads. Mills checked his watch, clearly ready to wrap up. We should secure the scene and get the body topside. Let the lab tell us what we already know. Quinn kept her eyes on the sigil-marked brick. The evidence refused to line up into the neat story her colleague wanted. Too many contradictions. The wrong lunar phase. The bloodless wound. The compass that refused to point at anything natural. Her mind turned each piece, fitting them into a different shape, one that echoed the unexplained end of her former partner three years earlier. She stepped closer to the wall, Eva at her shoulder, and traced one sigil with her fingertip. The stone felt warmer than the surrounding bricks. The compass needle gave one final decisive twitch. This way. Mills muttered under his breath but fell into step behind them, his skepticism thick in the damp air. Quinn pushed the brick. It slid inward with a soft grind of stone on stone, revealing a narrow gap that breathed out colder air laced with the same ozone scent. The compass went still in her palm, its needle locked on the darkness beyond. The market had hidden more than goods tonight. Quinn stepped forward, the others close behind, her brown eyes fixed on whatever the rift might show her next.
created_at"2026-03-12T21:20:41.237Z" 3/12/2026, 9:20:41 PM
model"x-ai/grok-4.20-beta-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency25352
moderation_latency(null)
generation_time35585
tokens_prompt1149
tokens_completion2269
native_tokens_prompt1102
native_tokens_completion6479
native_tokens_completion_images0
native_tokens_reasoning4702
native_tokens_cached64
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
usage0.0409628
router(null)
provider_responses
0
endpoint_id"33f49f24-a0de-4dcf-872d-ca514e83fbae"
id"0ead926e-8ef5-2a8a-b3e9-5dca0ef8b6e4"
is_byokfalse
latency559
model_permaslug"x-ai/grok-4.20-beta-20260309"
provider_name"xAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer(null)
api_type"completions"
id"gen-1773350441-2ogpPaXehyiu24k5S0z4"
upstream_id"0ead926e-8ef5-2a8a-b3e9-5dca0ef8b6e4"
total_cost0.0409628
cache_discount0.0001152
upstream_inference_cost0
provider_name"xAI"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags0
93.31% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1494
totalAiIsmAdverbs2
found
0
adverb"slowly"
count1
1
adverb"slightly"
count1
highlights
0"slowly"
1"slightly"
100.00% AI-ism character names
Target: 0 AI-default names (17 tracked, −20% each)
codexExemptions(empty)
found(empty)
100.00% AI-ism location names
Target: 0 AI-default location names (33 tracked, −20% each)
codexExemptions(empty)
found(empty)
26.37% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1494
totalAiIsms22
found
0
word"chill"
count1
1
word"grave"
count1
2
word"pulsed"
count1
3
word"chaotic"
count1
4
word"measured"
count1
5
word"footsteps"
count1
6
word"standard"
count1
7
word"flicked"
count1
8
word"echoed"
count2
9
word"weight"
count2
10
word"etch"
count1
11
word"tracing"
count1
12
word"silence"
count1
13
word"vibrated"
count2
14
word"etched"
count2
15
word"dance"
count1
16
word"perfect"
count1
17
word"traced"
count1
highlights
0"chill"
1"grave"
2"pulsed"
3"chaotic"
4"measured"
5"footsteps"
6"standard"
7"flicked"
8"echoed"
9"weight"
10"etch"
11"tracing"
12"silence"
13"vibrated"
14"etched"
15"dance"
16"perfect"
17"traced"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches0
maxInWindow0
found(empty)
highlights(empty)
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells1
narrationSentences150
matches
0"t with panic"
95.24% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount4
hedgeCount1
narrationSentences150
filterMatches
0"see"
1"know"
2"watch"
hedgeMatches
0"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences150
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen30
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1494
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions2
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions36
wordCount1494
uniqueNames10
maxNameDensity0.94
worstName"Quinn"
maxWindowNameDensity1.5
worstWindowName"Quinn"
discoveredNames
Harlow2
Quinn14
Tube1
Mills7
Kowalski1
Camden2
Compass1
Shade1
London1
Eva6
persons
0"Harlow"
1"Quinn"
2"Mills"
3"Kowalski"
4"Compass"
5"Eva"
places
0"London"
globalScore1
windowScore1
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences110
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1494
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences150
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs42
mean35.57
std22.18
cv0.623
sampleLengths
090
176
222
316
452
555
66
712
835
956
1017
1116
1229
1312
1437
1581
1641
1734
1810
1921
2029
2143
2265
237
2428
2557
2648
2733
2817
2922
3063
3130
3215
3339
3464
359
3619
3764
3833
392
4062
4127
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount1
totalSentences150
matches
0"Got interrupted."
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs235
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences150
ratio0
matches(empty)
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1496
adjectiveStacks0
stackExamples(empty)
adverbCount37
adverbRatio0.024732620320855617
lyAdverbCount11
lyAdverbRatio0.007352941176470588
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences150
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences150
mean9.96
std6.09
cv0.612
sampleLengths
017
115
222
315
421
58
617
77
825
919
104
1118
123
136
147
1521
163
1713
1815
1916
2030
219
221
235
2412
257
2612
274
2812
2912
3011
3119
3214
335
3412
359
367
372
388
394
4015
4112
421
431
4411
459
4611
471
483
4915
71.11% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats10
diversityRatio0.4666666666666667
totalSentences150
uniqueOpeners70
71.94% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount3
totalSentences139
matches
0"Instead she stepped around the"
1"Only a handful exist."
2"Too many contradictions."
ratio0.022
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount26
totalSentences139
matches
0"Her boots sent ripples across"
1"She swept her flashlight beam"
2"She said nothing."
3"We have a dead man"
4"She turned it over in"
5"She adjusted her glasses with"
6"She stopped at the tunnel"
7"Its needle vibrated now, almost"
8"She swept her light across"
9"She pressed her palm flat"
10"Her colleague shifted his weight,"
11"We've got a team coming"
12"They'll confirm my take."
13"She recalled the last case"
14"She turned the compass slowly,"
15"It skittered across the platform"
16"We have a corpse with"
17"She lifted the edge with"
18"They know these markets."
19"They know how to force"
ratio0.187
67.91% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount109
totalSentences139
matches
0"Detective Harlow Quinn dropped from"
1"Her boots sent ripples across"
2"The platform stretched out like"
3"Vials of shimmering liquid mixed"
4"She swept her flashlight beam"
5"The body lay at the"
6"Quinn knelt, her movements crisp"
7"The gash across the victim's"
8"The skin had already taken"
9"Footsteps scraped behind her."
10"Detective Mills emerged from behind"
11"Throat slit for a bad"
12"Valuables stripped from the other"
13"Quinn straightened, her sharp jaw"
14"She said nothing."
15"The air carried traces of"
16"Eva Kowalski hovered at the"
17"The timing is all wrong."
18"Mills let out a short"
19"We have a dead man"
ratio0.784
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences139
matches(empty)
ratio0
88.74% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences66
technicalSentenceCount5
matches
0"Her boots sent ripples across a puddle that reflected the harsh glare of portable floodlights."
1"Forensics found fibers under the nails that match the stall canvas."
2"She recalled the last case that had ended in unexplained loss, her partner gone without a body or a clear motive."
3"The needle settled into a perfect line, trembling only slightly now as if satisfied."
4"It slid inward with a soft grind of stone on stone, revealing a narrow gap that breathed out colder air laced with the same ozone scent."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags0
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags0
90.4876%