Run: 2026-05-01-01KQHRVS31JNKWD3WEDCY2KZQ0

Run Details

Duration:
2m 11s
Cost:
$0.021100
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 bowels of the abandoned Camden tube station. Her flashlight sliced through curtains of cobwebs that draped from the curved ceiling. The platform opened before her like a forgotten stage set for some macabre play. Makeshift stalls crowded the space between rusting rails, their surfaces heaped with stoppered vials of luminous fluid, stacks of parchment inscribed in inks that still glistened wetly, and metal talismans twisted into shapes that hurt to follow with the eye. Police floodlights hummed on their stands and threw long shadows that jerked whenever anyone moved. She paused at the edge of the platform. The air tasted of ozone and crushed petals. Wrong on every level. No ordinary killer would choose a spot this buried, this strange. Sergeant Hale waved her over from beside the body. His uniform jacket hung open, and sweat beaded along his hairline despite the chill that radiated from the tunnel mouth. Looks like another turf war among the weirdos, Quinn. Victim took a blade to the chest. Killer dragged him a few feet then thought better of it and ran for the surface. Footprints head straight toward the emergency stairs. Open and shut. Quinn crouched without answering. The dead man wore layered robes stitched with thread that caught the light in silver threads. No tear marred the fabric. No blood soaked the cloth. His face locked in a grimace of pure astonishment, eyes rolled back, skin carrying the waxy sheen of something left in a deep freezer overnight. She lifted one limp hand. Delicate lines of frost traced the veins from fingertips to wrist. Hale shifted his weight from one foot to the other. See the knocked-over crates? Splintered wood. Classic signs of a struggle. These market types sell everything from love potions to poison. He probably shorted the wrong customer. Quinn turned the hand over. The frost patterns continued beneath the cuff. She set the limb down with care and scanned the immediate area. A small brass compass rested on the edge of the nearest table, its casing green with age, face crowded with sigils that looked older than the station itself. The needle trembled though no one had touched it. She picked the instrument up. Cool metal pressed against her palm. The needle snapped toward the body then swung away to indicate a solid brick wall at the platform's far end. This doesn't match your story, Hale. No wound. No blood. Skin like he's been stored in dry ice. And this device behaves like it has a mind of its own. Eva Kowalski stepped out from behind a stall piled high with leather-bound volumes. Her satchel bulged with books. Curly red hair escaped its clip and she tucked a lock behind her left ear, green eyes steady behind round glasses. The compass was his. Crafted by a Shade artisan. Its needle seeks the closest rift. Right now it's telling us the breach is still open behind that wall. Hale snorted and jabbed a thumb toward the tunnel. Rift. Sure. Next you'll say the killer floated in on a cloud. My interpretation holds. Human-on-human violence. The supernatural talk is just sales patter these vendors use to jack up prices. Look at the scattered coins. Robbery gone sideways. Quinn ignored him and carried the compass closer to the wall. The needle locked rigid, pointing at a section of tiles two meters across. She ran her fingers across the surface. A faint current of air leaked from the grout lines, cold enough to numb her skin. Her breath fogged. She knelt again beside the body and studied the angle of the limbs. Arms raised as if to ward off a blow from above. Legs twisted at the hips like he had tried to run but found his feet rooted. The frost followed the exact path of major arteries. Evidence doesn't support a blade. No puncture. No defensive wounds on the forearms. Yet every sign says he saw his attacker coming. Eva moved to her side, satchel swinging. She pulled a slim volume free and opened it to a diagram that mirrored the frost lines on the victim's skin. Rift exposure does this. The other side drains heat faster than anything natural. He sold information here. Dangerous information. Someone on the far side decided the price of silence was higher than the price of his wares. Hale circled the stall, boots crunching on broken glass from a shattered vial. Purple liquid still smoked where it had spilled. You're both reaching. The market moves every full moon. Place is probably crawling with contraband. One dealer gets greedy, another takes him out. Simple. The cold skin could be from the underground temperature. Explains the footprints too. Killer sprinted once the deed was done. Quinn stood and swept her light along the platform's length. The stalls showed no other disturbance. Only this table lay in ruin, yet the destruction looked arranged, crates toppled in a neat arc that avoided every other display. She checked the dust layer on the ground. Two distinct sets of prints approached the victim. One set belonged to boots with a standard tread. The second set ended abruptly a meter from the body, toes pointed toward the wall as if the owner had simply ceased to exist. She followed the trail to the brick section. The compass needle in her hand vibrated so hard she felt it in her wrist bone. When she placed her palm flat against the tiles the vibration traveled up her arm and settled in her chest. No runner passed this point. The second set of prints belongs to the killer but they stop dead. No scuff marks. No leap to the tracks. Hale, your escape route doesn't exist. Hale rubbed the back of his neck, face flushed under the floodlights. Dust can shift. Air currents. Could be anything. Doesn't mean some fairy tale portal swallowed him whole. Quinn returned to the body and lifted the collar of the robes. A silver chain circled the neck, pendant shaped like a miniaturized version of the compass. The same sigils. She slipped it free and held it next to the brass instrument. They resonated with a tone too low to hear but strong enough to make her teeth ache. This man guarded the rift. The ledger on his table lists transactions for banned substances and something called passage rights. Last entry mentions a group referred to as the clique. My old files on Morris contained that word too, buried in redacted lines. Eva leaned in, freckled cheeks pale. She tapped one page in her open book. The clique moves between worlds. They buy silence with death that leaves no mark. Your partner encountered their work three years back. The signs match exactly. Quinn felt the pieces slide into alignment inside her skull. The absence of blood resulted from the method itself, a draining that happened across the threshold of the rift. The frost followed the blood path because heat fled along with life. The arranged debris served to sell Hale's narrative of a brawl. Every anomaly she had catalogued pointed away from human muscle and toward something that never fully arrived in the station. She placed the compass on the ground. It spun once then froze, needle aimed at the exact spot where the second set of footprints vanished. A faint crack appeared in the mortar, hairline but visible now that she knew where to look. Cold air hissed through it and carried the distant smell of lightning-struck iron. The evidence never added up because the wrong questions were asked. A human killer leaves traces this world understands. This one doesn't belong to our side of the wall. Hale opened his mouth then closed it again. His gaze darted to the fresh crack, to the compass, to the frost that had begun to spread across the victim's exposed wrist even as they watched. Eva closed her book with a soft thud. Her nervous fingers found another curl and anchored it behind her ear while she studied Quinn's face. You see it now. The others missed the pattern because they refused to look past the ordinary. Quinn straightened, shoulders squared with military habit. She keyed her radio and requested a full forensic sweep with thermal gear and ultraviolet lamps. The compass continued its silent vigil on the tiles. The crack in the wall widened by a fraction and the temperature on the platform dropped another degree. She stared into the black slit and felt the weight of every unsolved detail from Morris's file settle onto her shoulders. The market would shift again soon. She had until the next full moon to map the connections that had killed this guardian and, years earlier, her partner. The compass needle held steady. The rift waited just beyond the bricks, patient as any predator. Quinn flexed her fingers around the pendant and felt the first clear path through the deception open inside her thoughts.
created_at"2026-05-01T12:40:20.326Z" 5/1/2026, 12:40:20 PM
model"x-ai/grok-4.20-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency101188
moderation_latency(null)
generation_time130776
tokens_prompt1149
tokens_completion4511
native_tokens_prompt1102
native_tokens_completion8346
native_tokens_completion_images(null)
native_tokens_reasoning6598
native_tokens_cached1088
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
num_fetches(null)
web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
usage0.0211001
router(null)
provider_responses
0
endpoint_id"3ecee37f-b217-4093-87fb-aaf0afe307af"
id"c3420199-f7b9-9819-8c31-e4268d40ed6a"
is_byokfalse
latency79
model_permaslug"x-ai/grok-4.20-20260309"
provider_name"xAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer(null)
request_id"req-1777639220-808vV1KG5d2JsBypGoUj"
session_id(null)
api_type"completions"
id"gen-1777639220-1Fo7c0XW1Y3pCyA2Q08Z"
upstream_id"c3420199-f7b9-9819-8c31-e4268d40ed6a"
total_cost0.0211001
cache_discount0.0011424
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provider_name"xAI"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags0
100.00% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1497
totalAiIsmAdverbs0
found(empty)
highlights(empty)
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)
53.24% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1497
totalAiIsms14
found
0
word"macabre"
count1
1
word"chill"
count1
2
word"traced"
count1
3
word"weight"
count2
4
word"scanned"
count1
5
word"trembled"
count1
6
word"silence"
count2
7
word"shattered"
count1
8
word"standard"
count1
9
word"vibrated"
count1
10
word"resonated"
count1
11
word"predator"
count1
highlights
0"macabre"
1"chill"
2"traced"
3"weight"
4"scanned"
5"trembled"
6"silence"
7"shattered"
8"standard"
9"vibrated"
10"resonated"
11"predator"
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
emotionTells0
narrationSentences151
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount1
narrationSentences151
filterMatches
0"see"
hedgeMatches
0"tried to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences151
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen40
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1497
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions3
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions30
wordCount1497
uniqueNames8
maxNameDensity0.73
worstName"Quinn"
maxWindowNameDensity1.5
worstWindowName"Quinn"
discoveredNames
Harlow1
Quinn11
Camden1
Hale9
Kowalski1
Shade1
Morris2
Eva4
persons
0"Harlow"
1"Quinn"
2"Hale"
3"Kowalski"
4"Morris"
5"Eva"
places(empty)
globalScore1
windowScore1
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences108
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1497
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences151
matches
0"contained that word"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs38
mean39.39
std21.05
cv0.534
sampleLengths
098
131
229
342
471
510
627
761
831
930
1039
1128
129
1339
1450
1549
1622
1728
1837
1921
2044
2187
2244
2332
2412
2517
2659
2743
2814
2926
3072
3155
3229
3335
3425
3517
3671
3763
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount2
totalSentences151
matches
0"been stored"
1"were asked"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs265
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences151
ratio0
matches(empty)
94.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1502
adjectiveStacks1
stackExamples
0"steady behind round glasses."
adverbCount34
adverbRatio0.022636484687083888
lyAdverbCount10
lyAdverbRatio0.006657789613848202
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences151
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences151
mean9.91
std6.36
cv0.641
sampleLengths
016
113
214
340
415
58
68
74
811
99
1020
119
127
1316
147
153
164
1716
185
195
2025
215
2211
2310
244
252
265
2710
286
295
307
3112
3228
339
345
356
3620
376
382
392
408
4112
4213
435
4421
454
465
476
4813
499
65.78% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats9
diversityRatio0.4304635761589404
totalSentences151
uniqueOpeners65
23.64% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount1
totalSentences141
matches
0"Only this table lay in"
ratio0.007
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount33
totalSentences141
matches
0"Her flashlight sliced through curtains"
1"She paused at the edge"
2"His uniform jacket hung open,"
3"His face locked in a"
4"She lifted one limp hand."
5"He probably shorted the wrong"
6"She set the limb down"
7"She picked the instrument up."
8"Her satchel bulged with books."
9"Its needle seeks the closest"
10"My interpretation holds."
11"She ran her fingers across"
12"Her breath fogged."
13"She knelt again beside the"
14"She pulled a slim volume"
15"He sold information here."
16"You're both reaching."
17"She checked the dust layer"
18"She followed the trail to"
19"She slipped it free and"
ratio0.234
73.48% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount109
totalSentences141
matches
0"Detective Harlow Quinn descended the"
1"Her flashlight sliced through curtains"
2"The platform opened before her"
3"Police floodlights hummed on their"
4"She paused at the edge"
5"The air tasted of ozone"
6"Sergeant Hale waved her over"
7"His uniform jacket hung open,"
8"Looks like another turf war"
9"Victim took a blade to"
10"Killer dragged him a few"
11"Footprints head straight toward the"
12"Quinn crouched without answering."
13"The dead man wore layered"
14"His face locked in a"
15"She lifted one limp hand."
16"Hale shifted his weight from"
17"These market types sell everything"
18"He probably shorted the wrong"
19"Quinn turned the hand over."
ratio0.773
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences141
matches(empty)
ratio0
98.21% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences64
technicalSentenceCount4
matches
0"Makeshift stalls crowded the space between rusting rails, their surfaces heaped with stoppered vials of luminous fluid, stacks of parchment inscribed in inks th…"
1"His uniform jacket hung open, and sweat beaded along his hairline despite the chill that radiated from the tunnel mouth."
2"A small brass compass rested on the edge of the nearest table, its casing green with age, face crowded with sigils that looked older than the station itself."
3"She had until the next full moon to map the connections that had killed this guardian and, years earlier, her partner."
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
90.2785%