Run: 2026-03-12-01KKHZ70HHBT0RRNJDK50DWPTA

Run Details

Duration:
18.6s
Cost:
$0.015554
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 rusted maintenance stairs into the abandoned Tube station, her boots scraping against concrete slick with decades of neglect. The air hung thick with mildew and something sharper, like ozone after a lightning strike. Her torch beam sliced through the darkness, catching on graffiti-covered tiles and the skeletal remains of ticket barriers. The Veil Market had left its traces here. She could feel it in the way the shadows seemed to cling too long to the walls. A bone token crunched under her heel. She crouched, picking up the small ivory disc carved with faint runes. Entry requirement. The Market had moved on with the last full moon, but not before something ugly happened. "Quinn. About time." DS Patel's voice echoed from deeper in the tunnel. His lanky frame emerged from behind a collapsed vending machine, notebook in hand. Sweat beaded on his forehead despite the chill. "Uniforms have the perimeter secured topside. Didn't want to touch anything down here until you saw it." Harlow straightened, slipping the bone token into an evidence bag. Her leather watch caught the torchlight as she checked the time. Three seventeen a.m. The call had come in ninety minutes ago from an anonymous tipper who knew far too much about restricted access points. "What have we got?" she asked, voice clipped with military precision. Patel gestured toward the platform edge. "Male, mid-thirties. No ID. Throat's been opened ear to ear. But it's the rest of it that doesn't make sense." Harlow followed him across the platform, her steps measured. The body lay sprawled near the yellow safety line, arms flung out as if he'd been trying to embrace the tracks. Blood pooled beneath him in a pattern that looked almost deliberate. Too symmetrical. The edges of the pool formed perfect geometric lines rather than the ragged spread gravity demanded. She knelt beside the corpse. The man's face, what remained of it, showed no fear. No surprise. Just a strange serenity in the slack jaw. His shirt had been torn open, exposing a chest covered in fresh tattoos. No, not tattoos. Brands. The skin bubbled where heated metal had seared protective sigils into his flesh. "Coroner puts time of death around midnight," Patel said, hovering nearby. "But get this. No signs of struggle. No defensive wounds. And listen to this interpretation." He flipped a page in his notebook. "I think it's gang-related. Some kind of occult gang. Camden's full of these weirdos playing at magic. Probably a drug deal gone wrong with a side of amateur Satanism." Harlow didn't answer immediately. She studied the brands more closely. Three interlocking circles with a central eye. She'd seen similar markings before, in her partner's old case files. The ones she'd inherited after Morris disappeared three years ago. The ones that had never added up. She moved to the man's right hand. His fingers clutched something small and metallic. Using gloved hands, she pried them open. A small brass compass rested in his palm, its casing etched with protective sigils. The face showed heavy patina of verdigris. The needle spun wildly, never settling. "Patel, what do you make of this?" Her colleague leaned in, squinting. "Cheap tourist junk. Maybe he was trying to pawn it here before the market moved on. Explains why he's in this godforsaken hole." Harlow turned the compass over. The back bore an inscription in a language that hurt to look at directly. The letters seemed to shift when she blinked. "It's pointing at something. Or trying to. The needle won't commit." "Broken, then." She slipped the compass into another evidence bag, but not before noting how the needle finally stilled when pointed toward the far tunnel. The one that shouldn't exist. The official maps showed this station ended at a brick wall thirty meters down. Her torch revealed no such wall. Something was wrong with the evidence. The blood pool. The serene expression. The brands that matched symbols from Morris's unsolved case. And now this compass that felt warm to the touch despite the underground chill. "Walk me through the scene again," she said, standing up. "From the top." Patel sighed but complied, his bearing less military than hers, more the slump of a man who'd been working since yesterday morning. "Anonymous call comes in at one forty-five. Male voice, distorted. Says there's a body in the old Camden deep level shelter. We respond, find the maintenance entrance jimmied open. Body exactly as you see it. No murder weapon. No footprints in the blood except ours." Harlow swept her torch across the platform again. No footprints in the blood. That was the detail that nagged at her. The pool was large enough that the killer should have stepped in it. Unless the killer never stood on solid ground. She approached the tunnel that shouldn't exist. The brick wall appeared intact until she got within five feet. Then the air shimmered like heat haze on asphalt. The compass in her evidence bag began spinning again, the needle straining toward the anomaly. "Patel. Come here." He joined her, his face showing skepticism. "It's just an old bricked-up tunnel. Probably sealed in the forties." "Touch it." He reached out. His fingers met resistance, but not stone. The air itself pushed back, like pressing against a balloon. "What the hell?" "It's a rift," Harlow muttered. The word felt foreign on her tongue, but it fit. Morris had scribbled something similar in his final notes. *Rifts open where the Veil thins. They watch from the other side.* Patel withdrew his hand quickly. "A what? Quinn, you're not making sense. This is a straightforward murder. Drugs or gang shit. The occult stuff is just window dressing." She ignored him, crouching to examine the platform edge near the rift. Small scratches marred the concrete. Not random. They formed partial runes, matching the ones on the dead man's chest. Someone had tried to close this opening. Failed. The blood pool's perfect edges suddenly made sense. It hadn't spread because something had contained it. The same force that created this false wall. "Look at the blood," she said. "The edges form a circle if you account for the slight depression in the platform. A containment circle. The victim didn't die here. He was placed here after." Patel shone his own torch on it. "That's a stretch. Blood settles how it settles." "Unless something drained it first." Harlow stood, her sharp jaw set. "Look at his throat. The cut is too clean for a knife. No hesitation marks. And there's almost no arterial spray on the walls. Where did all that blood come from if not from him?" Her colleague shifted uncomfortably, tucking his notebook away. "Okay, maybe a ritual killing. Some cult drained him elsewhere and dumped the body. Still fits my theory." But it didn't. Not really. The man's serene expression suggested he'd known what was coming. Welcomed it even. The brands weren't done postmortem. The skin had blistered while his heart still beat. Harlow's mind raced through the details, connecting dots others had missed. Morris's partner had vanished during a raid on an underground auction. They'd been tracking stolen artifacts moving through a black market that changed locations with the lunar cycle. The same market that operated here until recently. The anonymous tip. The bone token. The compass crafted by a Shade artisan, whatever that meant. Everything pointed to the Veil Market. She pulled the bone token from her pocket again, turning it over in her gloved fingers. Small, carved from what looked like human knuckle bone. The runes pulsed faintly when she held it near the rift. "Patel, this token opened the market entrance. Our victim was either a customer or a vendor. Given the brands, I'd say he was trying to protect himself from something that came through that rift." "Through a wall? Come on, Quinn." Patel's voice carried an edge now. Fear masked as frustration. "You're reaching. The Super wants this closed quick. Occult gang warfare plays well in the press. Gives us a narrative." "The narrative is wrong." She stepped closer to the shimmering air. The temperature dropped sharply. Her breath fogged despite the mild London night above. The compass needle locked on due north now, straight into the impossible tunnel. A sound emerged from within the shimmer. Not quite a voice. More like wind through hollow bones. The hair on Harlow's arms rose. She thought of Eva Kowalski then. Aurora's friend, the occult researcher at the British Museum. The one with curly red hair and round glasses who always tucked strands behind her left ear when nervous. Eva had helped decode some of Morris's notes two years back, before Harlow pushed her away. The woman knew about things like this. Understood the symbols, the markets, the rifts. Maybe it was time to swallow her pride and make that call. "Bag everything," Harlow ordered, turning away from the rift before the sound could draw her in. "I want forensics down here at first light. And Patel? Nobody touches that wall. Not until I say so." He stared at her, brown eyes doubtful. "You're really going with the supernatural angle? After what happened with Morris? The brass nearly suspended you last time you went down that road." She met his gaze steadily, her bearing straight as a blade. The salt-and-pepper crop of her hair caught the torchlight as she adjusted her stance. "Morris died chasing something real. I'm not making the same mistakes." The body watched them with its serene dead eyes as they moved back toward the stairs. Blood continued to glisten in its perfect circle, defying natural laws. The compass in Harlow's evidence bag grew warmer, its needle spinning faster now. She paused at the bottom of the maintenance stairs, looking back at the platform. The shimmering wall seemed to pulse, as if breathing. Whatever had come through there had left the man behind as a warning. Or an invitation. "Get the photographer down here," she told Patel. "I want every symbol documented before the market opens again next month. And run the victim's prints through the system. Something tells me he's in there under an alias." Patel nodded reluctantly, already reaching for his radio. His footsteps echoed differently now, hesitant where they'd been confident before. Harlow climbed the stairs, the bone token heavy in her pocket. The compass continued its frantic dance against her side. For the first time in three years, she felt close to understanding what had taken Morris. The evidence didn't add up because it wasn't meant for normal eyes. Something watched from the shadows above. She caught the impression of movement at the edge of her torch beam. Not human. Not quite solid. The salt-and-pepper detective squared her shoulders and kept climbing, jaw tight. The Veil Market had moved on, but it had left its door open. And something had walked through. She emerged into the Camden night, the anonymous streets bustling with late-night revelers unaware of what lay beneath their feet. Her watch showed four oh two a.m. The city carried on, blind to the rifts opening in its underbelly. Harlow pulled out her phone. Eva Kowalski's number was still in her contacts. The red-haired researcher might have answers about the brands, about the compass, about the thing that made blood pool in perfect circles. She dialed before she could change her mind. The call connected on the third ring. A sleepy voice answered, tinged with that familiar nervous habit of someone tucking hair behind an ear even in the dark. "Evie? It's Harlow Quinn. We need to talk about the Market. And about what killed your friend's father three years ago." The line went quiet for a long moment. Then Eva's voice came through, sharper now. Awake. "Where are you?" "Camden. Old station. There's a body. And a rift. Bring your books." Harlow hung up and stared at the entrance to the abandoned station. The evidence still didn't add up. But for the first time, she had the tools to make it. She slipped the compass from the evidence bag, watching its needle settle due north again, pointing back toward the platform below. Whatever hunted in the spaces between stations, it wasn't finished. Detective Quinn squared her shoulders and waited for her unlikely ally to arrive, the night air growing colder around her as unseen eyes continued to watch from the dark.
created_at"2026-03-12T21:28:32.567Z" 3/12/2026, 9:28:32 PM
model"x-ai/grok-4.20-beta-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency315
moderation_latency(null)
generation_time18489
tokens_prompt1149
tokens_completion3200
native_tokens_prompt1100
native_tokens_completion2552
native_tokens_completion_images0
native_tokens_reasoning0
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"
usage0.0155536
router(null)
provider_responses
0
endpoint_id"33f49f24-a0de-4dcf-872d-ca514e83fbae"
id"879429d1-3bf4-e2cd-537b-21ed1bca7f82"
is_byokfalse
latency271
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-1773350912-07mlwBLflfCLGygYSKn3"
upstream_id"879429d1-3bf4-e2cd-537b-21ed1bca7f82"
total_cost0.0155536
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
totalTags12
adverbTagCount0
adverbTags(empty)
dialogueSentences39
tagDensity0.308
leniency0.615
rawRatio0
effectiveRatio0
85.49% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount2068
totalAiIsmAdverbs6
found
0
adverb"quickly"
count1
1
adverb"suddenly"
count1
2
adverb"really"
count2
3
adverb"sharply"
count1
4
adverb"reluctantly"
count1
highlights
0"quickly"
1"suddenly"
2"really"
3"sharply"
4"reluctantly"
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)
51.64% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount2068
totalAiIsms20
found
0
word"could feel"
count1
1
word"echoed"
count2
2
word"chill"
count2
3
word"measured"
count1
4
word"perfect"
count4
5
word"etched"
count1
6
word"pawn"
count1
7
word"shimmered"
count1
8
word"raced"
count1
9
word"pulsed"
count1
10
word"pulse"
count1
11
word"footsteps"
count1
12
word"dance"
count1
13
word"tinged"
count1
14
word"familiar"
count1
highlights
0"could feel"
1"echoed"
2"chill"
3"measured"
4"perfect"
5"etched"
6"pawn"
7"shimmered"
8"raced"
9"pulsed"
10"pulse"
11"footsteps"
12"dance"
13"tinged"
14"familiar"
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
narrationSentences169
matches(empty)
83.69% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount3
hedgeCount4
narrationSentences169
filterMatches
0"watch"
hedgeMatches
0"seemed to"
1"tried to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences196
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen46
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans1
markdownWords12
totalWords2068
ratio0.006
matches
0"Rifts open where the Veil thins. They watch from the other side."
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions15
unquotedAttributions0
matches(empty)
98.15% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions54
wordCount1543
uniqueNames15
maxNameDensity1.04
worstName"Harlow"
maxWindowNameDensity2
worstWindowName"Harlow"
discoveredNames
Harlow16
Quinn2
Tube1
Veil4
Market4
Patel9
Morris6
Shade1
Fear1
London1
Eva4
Kowalski2
British1
Museum1
Camden1
persons
0"Harlow"
1"Quinn"
2"Market"
3"Patel"
4"Morris"
5"Fear"
6"Eva"
7"Kowalski"
places
0"London"
1"British"
2"Camden"
globalScore0.982
windowScore1
92.31% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences130
glossingSentenceCount3
matches
0"appeared intact until she got within five feet"
1"looked like human knuckle bone"
2"as if breathing"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount2068
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences196
matches
0"make that call"
93.21% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs62
mean33.35
std15.88
cv0.476
sampleLengths
081
137
250
345
411
526
659
755
862
945
1048
117
1228
1338
142
1548
1635
1713
1867
1942
2042
213
2218
232
2423
2536
2628
2739
2824
2934
3015
3146
3226
3332
3447
3522
3636
3734
3836
3937
4023
4164
4212
4335
4431
4536
4640
4739
4837
4919
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount1
totalSentences169
matches
0"been torn"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount1
totalVerbs258
matches
0"was coming"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences196
ratio0
matches(empty)
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1550
adjectiveStacks0
stackExamples(empty)
adverbCount50
adverbRatio0.03225806451612903
lyAdverbCount21
lyAdverbRatio0.013548387096774193
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences196
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences196
mean10.55
std6.91
cv0.655
sampleLengths
023
115
218
38
417
57
612
72
816
912
1013
118
1217
1310
1411
153
1621
1711
186
1920
209
2121
2211
232
2416
255
2610
272
288
2913
303
311
3213
3311
3422
3529
364
376
387
3911
4010
417
427
437
447
4514
467
476
487
495
48.64% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats13
diversityRatio0.33163265306122447
totalSentences196
uniqueOpeners65
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount5
totalSentences158
matches
0"Just a strange serenity in"
1"Then the air shimmered like"
2"More like wind through hollow"
3"Maybe it was time to"
4"Then Eva's voice came through,"
ratio0.032
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount41
totalSentences158
matches
0"Her torch beam sliced through"
1"She could feel it in"
2"She crouched, picking up the"
3"His lanky frame emerged from"
4"Her leather watch caught the"
5"she asked, voice clipped with"
6"She knelt beside the corpse."
7"His shirt had been torn"
8"He flipped a page in"
9"She studied the brands more"
10"She'd seen similar markings before,"
11"She moved to the man's"
12"His fingers clutched something small"
13"Her colleague leaned in, squinting."
14"She slipped the compass into"
15"Her torch revealed no such"
16"she said, standing up"
17"She approached the tunnel that"
18"He joined her, his face"
19"He reached out."
ratio0.259
32.78% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount135
totalSentences158
matches
0"Detective Harlow Quinn descended the"
1"The air hung thick with"
2"Her torch beam sliced through"
3"The Veil Market had left"
4"She could feel it in"
5"A bone token crunched under"
6"She crouched, picking up the"
7"The Market had moved on"
8"DS Patel's voice echoed from"
9"His lanky frame emerged from"
10"Sweat beaded on his forehead"
11"Harlow straightened, slipping the bone"
12"Her leather watch caught the"
13"The call had come in"
14"she asked, voice clipped with"
15"Patel gestured toward the platform"
16"Harlow followed him across the"
17"The body lay sprawled near"
18"Blood pooled beneath him in"
19"The edges of the pool"
ratio0.854
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences158
matches(empty)
ratio0
98.90% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences65
technicalSentenceCount4
matches
0"The call had come in ninety minutes ago from an anonymous tipper who knew far too much about restricted access points."
1"The body lay sprawled near the yellow safety line, arms flung out as if he'd been trying to embrace the tracks."
2"They'd been tracking stolen artifacts moving through a black market that changed locations with the lunar cycle."
3"The red-haired researcher might have answers about the brands, about the compass, about the thing that made blood pool in perfect circles."
83.33% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags12
uselessAdditionCount1
matches
0"she asked, voice clipped with military precision"
98.72% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags7
fancyCount2
fancyTags
0"Harlow muttered (mutter)"
1"Harlow ordered (order)"
dialogueSentences39
tagDensity0.179
leniency0.359
rawRatio0.286
effectiveRatio0.103
88.2290%