Run: 2026-03-12-01KKHZ1YK4RQGRGQEHJ6Y1NFWR

Run Details

Duration:
16.0s
Cost:
$0.016377
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
The abandoned Tube station beneath Camden hummed with the distant drip of water on cracked tiles. Detective Harlow Quinn stepped off the last rung of the service ladder, boots crunching over shattered glass and discarded Oyster cards. The air tasted metallic, laced with something sharper that made her sinuses burn. She checked her worn leather watch. Two seventeen a.m. The call had come in forty-three minutes earlier. Anonymous. Male voice, distorted. Harlow swept her torch across the platform. The body lay sprawled near the yellow line, face-down, arms outstretched like a diver caught mid-plunge. Blood pooled beneath the torso, black in the harsh beam. No immediate signs of struggle. No discarded weapon. Just the corpse and an unnatural silence that pressed against her eardrums. She crouched, knees cracking. The victim was male, mid-thirties, dressed in an expensive wool coat now ruined by dark stains. She noted the absence of a wallet, phone, or keys. Clean pockets. Too clean. Sergeant Patel appeared from the shadows near the old ticket kiosk, clipboard in hand. His face looked pale under the portable floodlights the forensics team had rigged up. "Detective Quinn. Glad you could make it. This one's got the lads rattled." "Define rattled." Harlow didn't look up. She studied the blood pattern. It spread too evenly, as if the body had been positioned after death. Gravity should have pulled it differently on the sloped platform. Patel shifted his weight. "No ID on him. No missing person match yet. But look at the wound. Single stab, straight through the heart from behind. Clean. Professional. Except there's no murder weapon and no blood trail leading here. It's like he was dropped from the ceiling." Harlow rose slowly, military precision in her spine. She scanned upward. The arched ceiling stretched fifteen feet high, covered in decades of grime and faded graffiti. No access points visible. No ropes. No scuff marks. "Time of death?" she asked. "Coroner puts it between midnight and one. Liver temp confirms. But the blood..." Patel hesitated. "It's not coagulating right. Almost like it's resisting the cold." Harlow's brown eyes narrowed. She had seen plenty of strange deaths in eighteen years on the force. This one itched at the back of her skull the same way Morris's last case had. Three years ago. Same prickling sensation, same feeling that the laws of the world had quietly stepped aside for something else. She moved closer to the body, careful not to disturb the scene. The victim's left hand clutched something small and metallic. She pried the fingers open with gloved hands. A small brass compass rested in his palm, its casing etched with symbols she didn't recognize. The needle spun lazily, ignoring north entirely. It pointed instead toward the far tunnel, the one sealed off by metal grates years ago. "Found this," she said, holding it up. Patel leaned in. "Odd. Looks antique. Maybe a family heirloom?" "Family heirlooms don't have sigils carved into them." Harlow turned the compass over. Verdigris patina covered the brass. The face bore markings that reminded her of the strange symbols scrawled across Morris's final notebook. Symbols she had never been able to explain. Patel rubbed his neck. "Could be occult stuff. Camden's full of that crowd. Wiccans, goths, whatever they're calling themselves now. Maybe some ritual gone wrong." Harlow said nothing. She had already spotted the inconsistencies. The victim's shoes showed fresh mud from a different location. Red clay, not the grey dust that coated this station. The coat bore traces of incense and something sweeter, like myrrh. And then there was the bone token. It had rolled halfway beneath the body. Small, carved from what looked like a human knucklebone, etched with a single rune. She palmed it before Patel could see, slipping it into her coat pocket. Her fingers tingled where it touched skin. "Let's check the perimeter," she said, voice steady. "I want to see how our killer got in and out without leaving footprints." They walked the length of the platform. The floodlights cast long shadows that seemed to move independently. Harlow's torch beam caught scratches on the tiled wall near the sealed tunnel. Not random. Deliberate. Four parallel gouges, too deep for human fingernails. The edges looked burned, as if something incredibly hot had clawed through concrete. "Animal?" Patel suggested. "Fox maybe? They get into weird places." Harlow ran her fingers along the marks. The edges crumbled like ash. "Foxes don't melt stone, Sergeant." Her watch felt heavier on her wrist. She glanced at it again. The second hand stuttered, then resumed its normal pace. She blinked hard. Stress. It had to be stress. Further along, near the old escalator shaft, she found more anomalies. A circle of salt about three feet wide, partially smeared. Inside it, the concrete looked newer, uncracked. Younger than the surrounding decay. As if reality had been patched. Patel whistled low. "This is proper weird, Detective. You thinking cult? Some kind of black magic nonsense?" Harlow's jaw tightened. She remembered Morris's final words before he disappeared into that warehouse in Whitechapel. *It's not what we think, Harlow. It's underneath.* She had dismissed it then as delirium from blood loss. Now the words crawled back up her throat. "Let's talk to the witness," she said instead. The witness sat on a folding chair near the ladder, wrapped in a silver emergency blanket. A young woman with curly red hair and round glasses. Freckles stood out against her pale skin. She clutched a worn leather satchel to her chest like a shield. Eva Kowalski, according to the initial report. Research assistant at the British Museum. "Miss Kowalski," Harlow began, keeping her tone neutral. "You discovered the body?" Eva looked up. Her green eyes darted between Harlow and Patel before settling on the compass still in Harlow's hand. Something flickered across her face. Recognition. "I was... taking a shortcut." Her voice carried a faint Polish accent. "I work late sometimes. The archives don't exactly close at five." Harlow waited. People always filled silence if you gave them enough of it. "I heard screaming," Eva continued. She tucked a curl behind her left ear. "From down here. Thought maybe someone had fallen. The entrance wasn't properly sealed. I came down to help." Patel crossed his arms. "And you just happened to have a torch on you?" Eva's cheeks colored. "I always carry one. The archives get dark." Harlow studied her. The satchel bulged with books. Old ones, by the looks of the cracked spines. One title peeked out: *Rifts and Thresholds: A Compendium of Veil Crossings*. Not standard museum reading. "The victim," Harlow said. "Did you recognize him?" "No." Too quick. Eva's fingers tightened on her satchel strap. "Should I?" Harlow held up the compass. The needle still pointed toward the sealed tunnel, spinning faster now. "This was in his hand. Mean anything to you?" Eva's breath caught visibly. She leaned forward despite herself, then caught the motion and sat back. "It's... pretty. Antique." "Miss Kowalski." Harlow's voice dropped. "The blood at this scene doesn't match the wound. There are no footprints leading to or from the body. The temperature in this specific spot is seven degrees colder than the rest of the station. And that compass is pointing at a tunnel that's been welded shut since the Blitz." She let those facts land. Eva swallowed. "Perhaps the killer used the old maintenance shafts. London is full of them." "Maintenance shafts don't leave salt circles or claw marks that burn through concrete." Harlow crouched to Eva's eye level. "Three years ago, my partner died in a room with similar anomalies. Same cold spot. Same feeling that physics had taken the day off. I never solved it. But I'm starting to think this might be connected." Patel's radio crackled. He stepped away to answer it, leaving the two women alone in the circle of light. Eva's nervous habit returned. She tucked the same curl behind her ear three times in quick succession. "Detective Quinn," she whispered. "You should leave this alone. Some doors, once opened, don't close again." Harlow felt the bone token heavy in her pocket. It grew warm against her thigh. "I lost someone to doors like that. Tell me what this compass does." Eva glanced toward Patel's retreating back, then met Harlow's gaze. Her green eyes held fear, but also something sharper. Calculation. "It finds rifts. Places where the world wears thin. That one there," she nodded toward the sealed tunnel, "leads to the Veil Market. Moves every full moon. Tonight it's under Camden." Harlow's mind raced through the evidence again. The red clay on the shoes. The incense. The bone token. "Your victim didn't die here. He died somewhere else and was... moved. Through one of these rifts." Eva nodded once. "Someone didn't want him found in the Market. Too many questions. So they dumped him where regular police would look first." "Why are you really here, Miss Kowalski?" Harlow asked. "And don't feed me that shortcut rubbish." The redhead's shoulders dropped. She opened her satchel and pulled out a small leather journal. "Because he was carrying something that belongs to my friend. Aurora. She's in trouble. That compass was meant for her. The man was a courier. Now he's dead, and whatever killed him is still hunting." Harlow turned the compass in her hands. The needle had stopped spinning. It pointed directly at Eva now. The sigils on its face glowed faintly blue. "Your friend," Harlow said slowly. "She part of this... clique I've been hearing about?" Eva's freckled face went very still. "I don't know what you mean." "I think you do." Harlow stood, decision made. "I'm confiscating this evidence. And you're coming with me to the station. We have a lot more to discuss about what really goes on beneath this city." Eva rose too, clutching her satchel. For a moment, Harlow thought she might bolt toward the ladder. Instead, the younger woman looked toward the sealed tunnel where the compass pointed so insistently. "Detective," Eva said quietly, "if you keep digging, you'll end up like your partner. Some things aren't meant for regular police. Some crimes happen between places." Harlow felt the bone token pulse once, like a second heartbeat against her leg. The station lights flickered. For three full seconds, every shadow in the tunnel stretched toward them, reaching with impossible fingers. Then the lights steadied. Harlow gripped the compass tighter. The needle swung wildly now, between Eva, the tunnel, and something moving in the darkness beyond the floodlights. Something that shouldn't exist in a rational world. "Let's go," she said, voice hard. "And Miss Kowalski? If you try to run, I'll shoot you. I've had enough mysteries for one lifetime." Eva adjusted her round glasses. A small, sad smile touched her lips. "You say that now. But the Veil Market has a way of changing what people want. What they need to know." The two women climbed the ladder toward the surface, leaving the body and the wrongness behind. Harlow could feel the station watching them go. The compass in her pocket grew warmer with each step, its needle spinning faster and faster, pointing at truths she had spent three years trying to forget. Above them, London traffic rumbled on, oblivious to the rent in reality beneath its streets. Harlow Quinn tightened her jaw. Whatever had killed that courier, whatever waited in the moving market beneath Camden, it had made one mistake. It had left evidence. And Detective Harlow Quinn had never met a piece of evidence she couldn't break open, no matter how impossible it seemed.
created_at"2026-03-12T21:25:46.729Z" 3/12/2026, 9:25:46 PM
model"x-ai/grok-4.20-beta-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency328
moderation_latency(null)
generation_time15913
tokens_prompt1149
tokens_completion3048
native_tokens_prompt1100
native_tokens_completion2478
native_tokens_completion_images0
native_tokens_reasoning0
native_tokens_cached384
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"
usage0.0163768
router(null)
provider_responses
0
endpoint_id"33f49f24-a0de-4dcf-872d-ca514e83fbae"
id"41e0a2dd-1416-b014-5e34-f6c748fb4e74"
is_byokfalse
latency294
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-1773350746-Br7bxrldfhWsMCKON5ak"
upstream_id"41e0a2dd-1416-b014-5e34-f6c748fb4e74"
total_cost0.0163768
cache_discount0.0006912
upstream_inference_cost0
provider_name"xAI"

Evaluation details

Result Evaluator Details Meta Data
88.89% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags21
adverbTagCount3
adverbTags
0"she said instead [instead]"
1"Harlow said slowly [slowly]"
2"Eva said quietly [quietly]"
dialogueSentences54
tagDensity0.389
leniency0.778
rawRatio0.143
effectiveRatio0.111
84.50% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1935
totalAiIsmAdverbs6
found
0
adverb"slowly"
count2
1
adverb"lazily"
count1
2
adverb"really"
count2
3
adverb"very"
count1
highlights
0"slowly"
1"lazily"
2"really"
3"very"
80.00% AI-ism character names
Target: 0 AI-default names (17 tracked, −20% each)
codexExemptions(empty)
found
0"Patel"
100.00% AI-ism location names
Target: 0 AI-default location names (33 tracked, −20% each)
codexExemptions(empty)
found(empty)
66.41% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1935
totalAiIsms13
found
0
word"shattered"
count1
1
word"silence"
count2
2
word"weight"
count1
3
word"scanned"
count1
4
word"etched"
count2
5
word"flickered"
count2
6
word"standard"
count1
7
word"raced"
count1
8
word"pulse"
count1
9
word"could feel"
count1
highlights
0"shattered"
1"silence"
2"weight"
3"scanned"
4"etched"
5"flickered"
6"standard"
7"raced"
8"pulse"
9"could feel"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches1
maxInWindow1
found
0
label"eyes widened/narrowed"
count1
highlights
0"eyes narrowed"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences173
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount3
hedgeCount1
narrationSentences173
filterMatches
0"watch"
1"think"
hedgeMatches
0"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences205
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen50
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans2
markdownWords16
totalWords1935
ratio0.008
matches
0"It's not what we think, Harlow. It's underneath."
1"Rifts and Thresholds: A Compendium of Veil Crossings"
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions15
unquotedAttributions0
matches(empty)
0.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions84
wordCount1315
uniqueNames19
maxNameDensity2.51
worstName"Harlow"
maxWindowNameDensity5
worstWindowName"Harlow"
discoveredNames
Tube1
Camden2
Harlow33
Quinn3
Oyster1
Patel12
Morris3
Verdigris1
Whitechapel1
Kowalski1
British1
Museum1
Eva17
Polish1
Thresholds1
Compendium1
Veil1
London1
Detective2
persons
0"Camden"
1"Harlow"
2"Quinn"
3"Oyster"
4"Patel"
5"Morris"
6"Kowalski"
7"Eva"
places
0"Whitechapel"
1"British"
2"London"
globalScore0.245
windowScore0
98.98% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences98
glossingSentenceCount2
matches
0"looked like a human knucklebone, etched w"
1"shadows that seemed to move independently"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1935
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences205
matches
0"killed that courier"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs66
mean29.32
std16.5
cv0.563
sampleLengths
071
153
234
341
434
547
635
75
825
954
1068
117
1210
1342
1425
1547
1641
1722
1854
1910
2017
2130
2239
2317
2442
258
2658
2712
2826
2923
3013
3131
3214
3311
3433
358
3612
3725
3819
3955
405
4115
4256
4319
4433
4528
4651
4735
4824
4916
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount2
totalSentences173
matches
0"been positioned"
1"been patched"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs234
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences205
ratio0
matches(empty)
98.51% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1319
adjectiveStacks0
stackExamples(empty)
adverbCount55
adverbRatio0.04169825625473844
lyAdverbCount17
lyAdverbRatio0.01288855193328279
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences205
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences205
mean9.44
std7.17
cv0.76
sampleLengths
016
121
213
36
43
58
61
73
87
916
1010
115
123
1312
144
1516
1610
172
182
1914
2014
2113
226
235
2413
2510
264
2743
288
293
3015
314
322
333
345
3515
3610
374
3813
3916
403
4118
4212
439
448
4516
467
4716
487
493
56.59% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats9
diversityRatio0.36585365853658536
totalSentences205
uniqueOpeners75
87.15% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount4
totalSentences153
matches
0"Just the corpse and an"
1"Further along, near the old"
2"Instead, the younger woman looked"
3"Then the lights steadied."
ratio0.026
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount41
totalSentences153
matches
0"She checked her worn leather"
1"She crouched, knees cracking."
2"She noted the absence of"
3"His face looked pale under"
4"She studied the blood pattern."
5"It spread too evenly, as"
6"She scanned upward."
7"She had seen plenty of"
8"She moved closer to the"
9"She pried the fingers open"
10"It pointed instead toward the"
11"she said, holding it up"
12"She had already spotted the"
13"It had rolled halfway beneath"
14"She palmed it before Patel"
15"Her fingers tingled where it"
16"she said, voice steady"
17"They walked the length of"
18"Her watch felt heavier on"
19"She glanced at it again."
ratio0.268
51.50% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount125
totalSentences153
matches
0"The abandoned Tube station beneath"
1"Detective Harlow Quinn stepped off"
2"The air tasted metallic, laced"
3"She checked her worn leather"
4"The call had come in"
5"Harlow swept her torch across"
6"The body lay sprawled near"
7"Blood pooled beneath the torso,"
8"She crouched, knees cracking."
9"The victim was male, mid-thirties,"
10"She noted the absence of"
11"Sergeant Patel appeared from the"
12"His face looked pale under"
13"Harlow didn't look up"
14"She studied the blood pattern."
15"It spread too evenly, as"
16"Gravity should have pulled it"
17"Patel shifted his weight."
18"Harlow rose slowly, military precision"
19"She scanned upward."
ratio0.817
65.36% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount2
totalSentences153
matches
0"As if reality had been"
1"Now the words crawled back"
ratio0.013
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences54
technicalSentenceCount2
matches
0"The edges looked burned, as if something incredibly hot had clawed through concrete."
1"The compass in her pocket grew warmer with each step, its needle spinning faster and faster, pointing at truths she had spent three years trying to forget."
77.38% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags21
uselessAdditionCount2
matches
0"she said, voice steady"
1"she said, voice hard"
94.44% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags12
fancyCount3
fancyTags
0"Patel suggested (suggest)"
1"Eva continued (continue)"
2"she whispered (whisper)"
dialogueSentences54
tagDensity0.222
leniency0.444
rawRatio0.25
effectiveRatio0.111
88.3235%