Run: 2026-03-12-01KKHZF8QT3X399T3156ZPZR8J

Run Details

Duration:
51.9s
Cost:
$0.059256
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 descended the concrete stairs into the abandoned Tube station beneath Camden, her steps measured against the damp chill that clung to the walls. Portable floodlights cut sharp pools of brightness across the platform while the rest of the tunnel faded into blackness. The air carried the bite of rust and old concrete mixed with the unmistakable metallic edge of fresh blood. She checked the worn leather watch on her left wrist then scanned the scene with brown eyes that missed nothing. A body rested near the tracks in an arrangement too neat for violence. Blood pooled beneath the skull in a perfect circle, its edges too clean. No spray marked the nearby pillars. No scuffs disturbed the dust in a struggle pattern. Detective Mills looked up from his notebook as she approached. His shoulders carried the slump of someone ready to close the file early. Quinn. Good, you're here. This reads as a straightforward mugging. Victim comes down for who knows what, gets hit from behind, wallet and phone taken. These tunnels draw trouble after midnight. She crouched beside the corpse without answering. The man's shoes gleamed with fresh polish yet showed no scrapes from running or fighting. His expensive coat lay undisturbed except where it touched the ground. She lifted one cold hand. No defensive marks on the knuckles. The fingernails remained clean and unbroken. Mills shifted his weight from one foot to the other. Thieves surprised him. Simple as that. Explains the missing items and the remote dump site. Quinn turned the head gently. The temple wound looked precise but the blood beneath the body told a different story. Gravity had not pulled it correctly for a fall in this spot. She stood and walked a slow circle around the form. Her sharp jaw flexed as she noted the absence of drag marks. The dust lay smooth except for the prints left by the responding officers. Her gaze caught on an object clutched in the victim's fingers. She worked it free. A small brass compass rested in her palm, its casing covered in verdigris. Protective sigils marked the face. The needle spun wildly at first then locked toward the far wall where bricks met shadow. She held the instrument out. Ever seen anything like this? Mills glanced at it and shrugged. Looks like junk from a flea market. The victim probably carried it as a keepsake. Doesn't change the robbery angle. We see this pattern weekly in the city. Quinn slipped the compass into an evidence bag yet kept it visible while she moved toward the indicated wall. Twenty-three paces exactly from the body. The bricks there appeared slightly offset from the others, their mortar fresher. She ran her fingertips across the surface. A faint vibration traveled up her arm, the same unsettling hum she remembered from the night DS Morris disappeared three years earlier. She pulled a small bone token from the victim's inner pocket next. Carved lines crossed its surface, precise and deliberate. The token felt warm against her skin despite the tunnel's chill. And this? Mills took it for a moment then handed it back. Some kind of charm. Occult types love their trinkets. Still points to the same thing. Gang activity or a deal gone sour. They fought, he lost, they staged it to look weird and moved on. Quinn paced the length of the platform. Old benches coated in grime held yellowed newspapers dated weeks earlier, yet the blood remained tacky. No footprints led to the body from either entrance. Near the wall the dust showed one clear print, smaller than hers or Mills's, stopping abruptly at the bricks as if the person had stepped through solid stone. She pressed her palm flat against the wall. The surface yielded for half a second then snapped back solid. The compass needle in the bag twitched violently in response. This wall isn't normal. The evidence was arranged. The watch left behind, the blood positioned just so, the lack of struggle marks. Someone wanted us to see a mugging. Mills rubbed his chin and let out a short breath. Quinn, with respect, you're reaching. Eighteen years of service doesn't mean every case hides conspiracy. The wallet's gone. The location is perfect for a quick hit. No cameras, no witnesses. The body ended up here because it's forgotten. End of story. She ignored him and studied the graffiti above the bricks. What looked like random tags formed repeating patterns when viewed from the correct distance. The lines matched the sigils on the compass exactly, painted within the last day or two. Her mind turned over the details. The station sat directly above rumored entrances to a moving black market, a place that shifted location with each full moon and traded in items that defied ordinary explanation. Footsteps echoed down the stairs. Eva Kowalski emerged from the upper level, her curly red hair tied loosely back and round glasses slightly fogged from the temperature change. The worn leather satchel stuffed with books bounced against her hip. Freckles stood out against her pale skin as she took in the body and the wall. She tucked a curl behind her left ear, the nervous gesture giving away her unease. Detective Quinn. Your message mentioned unusual symbols and a possible rift. Mills straightened, annoyance flashing across his face. You brought in a civilian for a murder scene? Quinn motioned Eva closer without breaking her focus on the wall. Eva works in the restricted archives. She knows ancient marks better than any of us. Look at this compass. Tell me what it actually is. Eva accepted the bag and held it to the light. Her green eyes widened behind the lenses. This is a Veil Compass. The needle seeks the nearest supernatural rift or portal. The sigils protect the bearer during passage. And that token you mentioned, it's a bone token. Required for entry to the Veil Market. This station served as one of its locations before the last full moon shift. Mills threw his hands up and stepped back. Veil Market? Portals? We're standing in an old Tube station with a dead man at our feet. The evidence shows robbery, clear as day. Quinn watched the compass through the plastic. The needle stayed fixed on the wall. She noted the faint shimmer in the air there, visible only when she tilted her head at the precise angle. The victim's posture now made sense. He had been posed to draw eyes away from this exact spot. The missing wallet served as misdirection while the important items remained as markers for those who understood their meaning. Eva knelt beside the body and examined the thin burn marks on the wrists. These are suppression brands. They prevent the victim from speaking or using certain energies. He was silenced first, killed elsewhere, then brought here. Quinn felt the connections lock into place. The staged blood, the untouched watch, the deliberate print that ended at nothing. The market had been active in this station recently. Someone had eliminated a threat or a witness and tried to bury it under ordinary crime. The same unnatural hum that claimed Morris now vibrated beneath her fingers. She straightened to her full height, military bearing locking her spine. The evidence refused to align with any mundane explanation once the right lens was applied. Others saw a mugging because that story fit the city they knew. She began to see the outline of something larger, a hidden trade in enchanted goods and forbidden knowledge operating beneath everyday London, using rifts and moving locations to stay invisible. Mills checked his phone, clearly ready to call in the forensics team and move on. We dust for prints, run the victim's description, and wait for the report. That's the procedure. Quinn kept her gaze on the wall. The compass in the bag continued its silent demand. Eva stood beside her, satchel clutched tight, waiting for direction. The platform lights flickered once, sending shadows racing across the sigils. Quinn slipped the bone token into her coat pocket next to the bagged compass. The pieces refused to fit the simple narrative. She saw the missed details now, the ones hidden in plain sight for anyone who refused to look beyond the ordinary. The vibration in the wall grew stronger under her hand as she pressed it there again. Something on the other side stirred in response.
created_at"2026-03-12T21:33:03.104Z" 3/12/2026, 9:33:03 PM
model"x-ai/grok-4.20-beta-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency42930
moderation_latency(null)
generation_time51739
tokens_prompt1149
tokens_completion2142
native_tokens_prompt1102
native_tokens_completion9835
native_tokens_completion_images0
native_tokens_reasoning8201
native_tokens_cached1088
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"
usage0.0592556
router(null)
provider_responses
0
endpoint_id"33f49f24-a0de-4dcf-872d-ca514e83fbae"
id"82a268e9-80bc-3683-9fa2-5cc48e98b703"
is_byokfalse
latency493
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-1773351183-BaWD4pOBwHZEvHeLRAMf"
upstream_id"82a268e9-80bc-3683-9fa2-5cc48e98b703"
total_cost0.0592556
cache_discount0.0019584
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
85.74% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1403
totalAiIsmAdverbs4
found
0
adverb"gently"
count1
1
adverb"slightly"
count2
2
adverb"loosely"
count1
highlights
0"gently"
1"slightly"
2"loosely"
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)
53.67% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1403
totalAiIsms13
found
0
word"measured"
count1
1
word"chill"
count2
2
word"scanned"
count1
3
word"perfect"
count2
4
word"weight"
count1
5
word"charm"
count1
6
word"footsteps"
count1
7
word"echoed"
count1
8
word"vibrated"
count1
9
word"flickered"
count1
10
word"racing"
count1
highlights
0"measured"
1"chill"
2"scanned"
3"perfect"
4"weight"
5"charm"
6"footsteps"
7"echoed"
8"vibrated"
9"flickered"
10"racing"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches1
maxInWindow1
found
0
label"eyes widened/narrowed"
count1
highlights
0"eyes widened"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences140
matches(empty)
91.84% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount3
narrationSentences140
filterMatches
0"watch"
1"see"
hedgeMatches
0"try to"
1"tried to"
2"began to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences140
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
totalWords1403
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions1
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions44
wordCount1403
uniqueNames13
maxNameDensity0.86
worstName"Quinn"
maxWindowNameDensity2
worstWindowName"Eva"
discoveredNames
Harlow1
Quinn12
Tube2
Camden1
Mills9
Morris2
Kowalski1
Eva6
Veil3
Compass1
Market2
London1
Detective3
persons
0"Harlow"
1"Quinn"
2"Mills"
3"Morris"
4"Kowalski"
5"Eva"
6"Compass"
7"Market"
places
0"Veil"
1"London"
globalScore1
windowScore1
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences112
glossingSentenceCount1
matches
0"looked like random tags formed repeating"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1403
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences140
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs43
mean32.63
std24.06
cv0.737
sampleLengths
084
141
223
331
450
510
615
767
849
95
105
116
1228
1366
1431
152
1610
1735
1860
1929
2029
2110
2241
2375
2470
2511
267
279
2811
2925
3017
3151
328
3324
3471
3514
3623
3757
3868
3915
4016
4180
4224
97.74% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences140
matches
0"was arranged"
1"been posed"
2"was silenced"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs249
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences140
ratio0
matches(empty)
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1404
adjectiveStacks0
stackExamples(empty)
adverbCount35
adverbRatio0.02492877492877493
lyAdverbCount19
lyAdverbRatio0.013532763532763533
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences140
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences140
mean10.02
std5.6
cv0.559
sampleLengths
026
119
219
320
413
513
66
79
810
913
101
113
126
1315
146
157
1615
1711
185
196
206
2110
223
233
249
255
2615
2712
2810
2912
3013
3111
324
3313
345
3516
365
375
386
397
408
415
428
4319
446
4512
467
4722
4812
498
57.62% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats6
diversityRatio0.37142857142857144
totalSentences140
uniqueOpeners52
24.69% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount1
totalSentences135
matches
0"Ever seen anything like this?"
ratio0.007
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount31
totalSentences135
matches
0"She checked the worn leather"
1"His shoulders carried the slump"
2"She crouched beside the corpse"
3"His expensive coat lay undisturbed"
4"She lifted one cold hand."
5"She stood and walked a"
6"Her sharp jaw flexed as"
7"Her gaze caught on an"
8"She worked it free."
9"She held the instrument out."
10"We see this pattern weekly"
11"She ran her fingertips across"
12"She pulled a small bone"
13"They fought, he lost, they"
14"She pressed her palm flat"
15"She ignored him and studied"
16"Her mind turned over the"
17"She tucked a curl behind"
18"Your message mentioned unusual symbols"
19"You brought in a civilian"
ratio0.23
45.19% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount112
totalSentences135
matches
0"Detective Harlow Quinn descended the"
1"The air carried the bite"
2"She checked the worn leather"
3"A body rested near the"
4"Blood pooled beneath the skull"
5"Detective Mills looked up from"
6"His shoulders carried the slump"
7"This reads as a straightforward"
8"Victim comes down for who"
9"These tunnels draw trouble after"
10"She crouched beside the corpse"
11"The man's shoes gleamed with"
12"His expensive coat lay undisturbed"
13"She lifted one cold hand."
14"The fingernails remained clean and"
15"Mills shifted his weight from"
16"Thieves surprised him."
17"Quinn turned the head gently."
18"The temple wound looked precise"
19"Gravity had not pulled it"
ratio0.83
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences135
matches(empty)
ratio0
87.91% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences65
technicalSentenceCount5
matches
0"Detective Harlow Quinn descended the concrete stairs into the abandoned Tube station beneath Camden, her steps measured against the damp chill that clung to the…"
1"Near the wall the dust showed one clear print, smaller than hers or Mills's, stopping abruptly at the bricks as if the person had stepped through solid stone."
2"The station sat directly above rumored entrances to a moving black market, a place that shifted location with each full moon and traded in items that defied ord…"
3"The staged blood, the untouched watch, the deliberate print that ended at nothing."
4"The same unnatural hum that claimed Morris now vibrated beneath her fingers."
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
88.1468%