Run: 2026-03-12-01KKHZMVYAD2TST007YA8XBB1X

Run Details

Duration:
36.2s
Cost:
$0.039036
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 stairs into the abandoned Tube station beneath Camden. Her flashlight beam sliced through layers of dust that hung motionless in the stale air. She adjusted the worn leather watch on her left wrist and continued downward with military precision. The platform opened out below like a forgotten tomb. Makeshift stalls lined the walls in uneven rows. Crates stacked high held shattered vials and scattered papers. A body lay centered on the cracked tiles with blood pooled beneath it in a perfect circle. DC Ellis stood a few paces away. He clicked his own light off and on again. Another rough one. Wallet emptied. Throat cut. Robbery that turned lethal. Quinn knelt beside the victim. She examined the wound edges without touching them. The cut showed no jagged tearing from a street knife. The blood had not sprayed across the nearby pillars or stalls. Footprints circled the body in precise patterns yet none showed signs of a chase or scuffle. She lifted the victim's cold hand. A small bone token rested in the palm. Its surface bore tiny carvings worn smooth by repeated use. This token served a purpose. Ellis shifted his boots against the grit on the floor. Some gang password. They use all kinds of junk these days to mark territory. Quinn returned the token to its exact position. A small brass compass caught her eye next. Verdigris coated its casing. Sigils marked the face in sharp lines. The needle twitched once then locked toward a bricked-up archway at the platform's far end. She picked the instrument up and watched the needle hold steady. This points with intent. Ellis leaned in for a closer look then straightened again. Kids steal those from market stalls upstairs. The cash is gone. That tells the story right there. Quinn stood and paced the perimeter. Her light passed over abandoned stalls that held remnants of recent activity. Dried herbs lay crushed underfoot. Leather-bound ledgers showed columns of entries in unknown script. One page listed quantities of rift dust and shadow vials beside prices in obscure symbols. She flipped another page. These records track nothing legal. Ellis followed her to the stall and peered at the ledger. Code for drugs. We've cracked tougher ciphers in vice cases. Quinn closed the book. She moved toward the archway the compass indicated. The bricks there showed fresher mortar than the surrounding walls. She ran her fingers along the seams. One section shifted under pressure. This barrier opens. Ellis watched her work the bricks. You see connections everywhere tonight. Station's been sealed since the eighties. Only squatters come down here. Quinn pressed a specific brick. A hidden panel swung inward with a low scrape. Cold air flowed out carrying scents of incense and ozone. The compass needle in her hand spun wildly then settled toward the new opening. She stepped back and compared the scene once more. The body was arranged after death. No drag marks lead to this spot. The blood forms a deliberate circle that matches diagrams in those ledgers. The wound matches no common blade type we see on the streets. Ellis rubbed the back of his neck. He could have known the attacker. Let his guard down. Quinn ignored the suggestion and retrieved a discarded satchel from beside the nearest stall. Curly red hair strands clung to the strap. Round glasses had fallen from an inner pocket. She opened the flap and found books on ancient history mixed with notes in a familiar handwriting. The name Eva Kowalski appeared inside the cover of one volume. Her research brought her here. Ellis glanced at the satchel then back at the body. That woman from the museum? Probably wandered in by mistake. Wrong place wrong time. Quinn returned to the body and studied the victim's clothing. The fabric showed no tears from a struggle. A single pin in his lapel carried the same sigil as the compass face. She compared it to marks on the wall nearby. The graffiti that first looked random now formed repeating patterns that aligned with the blood circle. She crouched again and traced one pattern with her finger. These symbols match the ones from Morris's case file three years back. The wounds. The unexplained residue. Everyone called it gang related then too. Ellis exhaled loudly. That case nearly broke you. Don't drag it into this one. Stats say street crime. Quinn stood and held the compass out between them. This device does not belong to any known dealer. Its needle finds something beyond these walls. The market operated here minutes before we arrived. Stalls still warm. Goods left in panic. She swept her light across the platform once more. Abandoned tokens identical to the victim's littered one corner near an overturned table. A faint glow pulsed from within the newly opened archway. Shelves lined the hidden space. Bottles of unidentifiable liquids caught the light. Maps of London covered one wall with marked points that pulsed softly. Ellis moved to the opening but stopped short of entering. Maintenance tunnel. Has to be. Quinn stepped inside the hidden chamber. The air hummed with an electric charge. Her skin tightened across her arms. She examined a map closest to the entrance. Its lines followed the city's underground rivers and old Tube lines but added new marks labeled as rifts. She traced one line with her fingertip. These points indicate activity that explains the bone token. Entry requirement for this market. Ellis remained outside the archway. You're building a fantasy from trash and shadows. Call in forensics. Let them confirm the robbery. Quinn emerged from the chamber and faced him directly. The compass needle still pointed into the hidden space. She placed it on the ground where she found it and watched the needle continue its lock. The evidence forms a different picture once you isolate the anomalies. Position of the body. Selection of the murder site inside a circle. Absence of typical street crime markers. Presence of these artifacts no ordinary thief would leave behind. She picked up one of Eva's books and opened it to a marked page. The illustration showed a market scene that mirrored the stalls around them exactly. This researcher documented the whole operation. Her notes reference a veil that separates what we see from what operates underneath. Ellis checked his watch and sighed. Veils and markets. The super thinks this is another gang cleanup. Numbers support it. Quinn closed the book. She scanned the platform again and noted how the footprints all led toward the hidden archway in a coordinated retreat. The victim had stood alone inside the blood circle while others watched from the stalls. The execution happened during a transaction. Someone silenced a seller who knew too much about the trade. Ellis opened his mouth to respond but Quinn raised her hand for silence. A faint scraping sound echoed from deeper within the revealed chamber. The compass needle on the ground twitched violently toward the noise. She picked the instrument up once more and followed its direction with her flashlight. Whatever lies beyond this point connects directly to Morris's death. The evidence has been here all along if you stop forcing it into the familiar shape. Ellis took one step toward the archway then halted. His face showed lines of doubt under the shifting light. Quinn examined the bone token in the victim's hand again. She turned it over and found a tiny engraving that matched one on the compass casing. The pieces aligned in her mind with increasing clarity. The unusual location hid an economy built on items and knowledge beyond standard police experience. The trade continued right under their feet every full moon according to the ledgers. The victim had controlled access with his tokens. Someone removed him to seize control of the flow. Ellis finally spoke again. Even if you're right about some underground fence operation the killer still took the cash. Motive stays financial. Quinn shook her head. She pointed to the victim's intact money clip still visible in an inner pocket that the killer had ignored. No. The cash remained untouched. The real valuables left with the retreating footsteps. Information. Or one of these devices. She held the compass toward him. Its needle now pointed at Ellis himself for a brief moment before swinging back to the chamber. Quinn's eyes narrowed. The interpretation shifts when you follow what the evidence actually shows instead of what fits the report template. She turned back to the hidden space. The glow inside strengthened. Footsteps approached from the darkness within. Quinn kept her light steady and waited for whatever emerged next. The station seemed to hold its breath around them.
created_at"2026-03-12T21:36:06.611Z" 3/12/2026, 9:36:06 PM
model"x-ai/grok-4.20-beta-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency26658
moderation_latency(null)
generation_time36058
tokens_prompt1149
tokens_completion2299
native_tokens_prompt1102
native_tokens_completion6465
native_tokens_completion_images0
native_tokens_reasoning4791
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"
usage0.0390356
router(null)
provider_responses
0
endpoint_id"33f49f24-a0de-4dcf-872d-ca514e83fbae"
id"fe1b6a68-2262-0cec-3d8d-28effeec8a65"
is_byokfalse
latency280
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-1773351366-j9AwRZQU128QUrMwwqoF"
upstream_id"fe1b6a68-2262-0cec-3d8d-28effeec8a65"
total_cost0.0390356
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
96.55% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1450
totalAiIsmAdverbs1
found
0
adverb"softly"
count1
highlights
0"softly"
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)
41.38% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1450
totalAiIsms17
found
0
word"shattered"
count1
1
word"perfect"
count1
2
word"familiar"
count2
3
word"aligned"
count2
4
word"traced"
count2
5
word"pulsed"
count2
6
word"electric"
count1
7
word"scanned"
count1
8
word"silence"
count1
9
word"echoed"
count1
10
word"standard"
count1
11
word"footsteps"
count2
highlights
0"shattered"
1"perfect"
2"familiar"
3"aligned"
4"traced"
5"pulsed"
6"electric"
7"scanned"
8"silence"
9"echoed"
10"standard"
11"footsteps"
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
emotionTells1
narrationSentences174
matches
0"t in panic"
93.60% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount5
hedgeCount1
narrationSentences174
filterMatches
0"watch"
1"see"
hedgeMatches
0"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences174
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen20
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1450
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions1
unquotedAttributions0
matches(empty)
91.38% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions42
wordCount1450
uniqueNames9
maxNameDensity1.17
worstName"Quinn"
maxWindowNameDensity1.5
worstWindowName"Quinn"
discoveredNames
Harlow1
Quinn17
Tube2
Camden1
Ellis15
Eva2
Kowalski1
Morris2
London1
persons
0"Harlow"
1"Quinn"
2"Tube"
3"Ellis"
4"Eva"
5"Kowalski"
6"Morris"
places
0"London"
globalScore0.914
windowScore1
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences122
glossingSentenceCount1
matches
0"appeared inside the cover of one volume"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1450
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences174
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs68
mean21.32
std16.93
cv0.794
sampleLengths
088
116
211
350
424
55
610
714
842
911
104
1110
1217
1347
144
155
1611
1710
1834
193
206
2116
2238
239
2437
257
2610
2758
285
2910
3014
3157
3210
3324
343
3515
369
3731
3856
3910
405
4145
427
4314
445
4516
4635
4739
4827
4920
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount2
totalSentences174
matches
0"been sealed"
1"was arranged"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs242
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences174
ratio0
matches(empty)
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1452
adjectiveStacks0
stackExamples(empty)
adverbCount49
adverbRatio0.0337465564738292
lyAdverbCount14
lyAdverbRatio0.009641873278236915
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences174
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences174
mean8.33
std4.18
cv0.502
sampleLengths
014
115
216
39
48
59
617
77
89
93
102
112
124
135
148
1510
1611
1716
186
198
2010
215
2210
233
2411
258
268
274
287
2915
3011
314
3210
337
344
356
366
3712
385
399
4015
414
425
4311
443
457
464
478
4810
497
59.58% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats8
diversityRatio0.3850574712643678
totalSentences174
uniqueOpeners67
39.68% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount2
totalSentences168
matches
0"Only squatters come down here."
1"Probably wandered in by mistake."
ratio0.012
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount38
totalSentences168
matches
0"Her flashlight beam sliced through"
1"She adjusted the worn leather"
2"He clicked his own light"
3"She examined the wound edges"
4"She lifted the victim's cold"
5"Its surface bore tiny carvings"
6"They use all kinds of"
7"She picked the instrument up"
8"Her light passed over abandoned"
9"She flipped another page."
10"We've cracked tougher ciphers in"
11"She moved toward the archway"
12"She ran her fingers along"
13"You see connections everywhere tonight."
14"She stepped back and compared"
15"He could have known the"
16"She opened the flap and"
17"Her research brought her here."
18"She compared it to marks"
19"She crouched again and traced"
ratio0.226
28.45% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount145
totalSentences168
matches
0"Detective Harlow Quinn descended the"
1"Her flashlight beam sliced through"
2"She adjusted the worn leather"
3"The platform opened out below"
4"A body lay centered on"
5"DC Ellis stood a few"
6"He clicked his own light"
7"Another rough one."
8"Robbery that turned lethal."
9"Quinn knelt beside the victim."
10"She examined the wound edges"
11"The cut showed no jagged"
12"The blood had not sprayed"
13"Footprints circled the body in"
14"She lifted the victim's cold"
15"A small bone token rested"
16"Its surface bore tiny carvings"
17"This token served a purpose."
18"Ellis shifted his boots against"
19"Some gang password."
ratio0.863
29.76% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences168
matches
0"Even if you're right about"
ratio0.006
96.02% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences61
technicalSentenceCount4
matches
0"Her flashlight beam sliced through layers of dust that hung motionless in the stale air."
1"Her light passed over abandoned stalls that held remnants of recent activity."
2"Her notes reference a veil that separates what we see from what operates underneath."
3"She turned it over and found a tiny engraving that matched one on the compass casing."
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
89.2134%