Run: 2026-07-09-01KX41703CRQDWCX7KS7RJ6DGE

Run Details

Duration:
13.7s
Cost:
$0.013842
Provider:
OpenAI

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="4417" name="Tomás Herrera" aliases="Tommy, Tomás, Herrera" pronouns="he/him" species="Human" storyRole="Support"> <eyeColor>warm brown</eyeColor> <hair>short curly dark brown</hair> <height>5'10"</height> <age>29</age> <skinTone>olive skin</skinTone> <scar>scar running along his left forearm from a knife attack</scar> <medallion>Saint Christopher medallion around his neck</medallion> <birthplace>Seville, Spain</birthplace> <description>A former paramedic who provides off-the-books medical care for the clique.</description> <backstory>Born in Seville, Spain. He moved to London to work for the NHS but lost his license after administering unauthorized treatments to supernatural patients.</backstory> </character> <location id="854" name="The Raven's Nest" aliases="the Nest, Raven, Silas' bar" realm="Earth"> <signColor>distinctive green neon sign above the entrance</signColor> <secretRoom>hidden back room accessible through a bookshelf, used for clandestine meetings</secretRoom> <description>A dimly lit bar in Soho, London. The walls are covered with old maps and black-and-white photographs.</description> </location> <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> </codex> Continue the story using the following instructions: <instructions> Write a fully fleshed out scene of at least 1000 words in the thriller genre. A detective is pursuing a suspect through rain-soaked city streets at night. The chase takes them from the street level down into an underground market. The detective must decide whether to follow the suspect into unfamiliar and potentially dangerous territory. 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
Rain sheeted across Camden High Street, turning the lamps into blurred coins and the pavements into black glass. Detective Harlow Quinn kept the suspect in sight. He ran beneath the awnings, shoulder-checking pedestrians, his dark coat flaring behind him. A canvas satchel slapped against his hip with each stride. He had stolen it from the back room of a chemist’s shop six minutes earlier, after putting a knife through the owner’s hand. Quinn had arrived in time to see the blood on the till, the broken lock, and the man’s last clear description. Thin. Dark hair. Grey coat. Silver ring shaped like a tooth. The ring flashed whenever the suspect passed beneath a streetlamp. Quinn pushed through a knot of students outside a kebab shop. Someone shouted after her. She ignored it. Her boots struck puddles hard enough to soak her trousers to the knee. “Police! Move!” The suspect glanced back. His face looked narrow and pale beneath the rain. Not frightened. Calculating. He cut across the road between two taxis, forcing one to brake with a horn blast that punched through the traffic. Quinn followed. A cab clipped her coat. The driver leaned out and gave her a furious look. She flashed her warrant card without breaking stride. The suspect vaulted a low railing and tore down a side street lined with shuttered shops. Quinn’s lungs burned. She caught the metallic taste of rain and exertion at the back of her throat. Her left wrist knocked against her coat cuff. The worn leather watch beneath it showed 11:47 p.m. The suspect reached the end of the street and shouldered through a chained gate. Quinn slowed. Beyond it, an old service yard sank towards a brick stairwell. A faded sign warned of underground works. The council had sealed the entrance months ago. Rusted fencing leaned over the steps, and rainwater streamed between the rails. The suspect squeezed through a gap and disappeared below. Quinn drew her pistol. “Armed police!” Only water answered. She reached the gate. The chain had been cut, not forced. Fresh metal gleamed where the bolt cutters had bitten through. Quinn descended. The stairwell smelled of wet brick, diesel and something sweet beneath it, like burnt sugar. Her boots slid on the moss-coated steps. At the bottom, she found a steel door standing open by a hand’s width. Warm air pressed against her face. Quinn paused with one hand on the pistol grip and the other against the door. Her training demanded backup. The radio at her shoulder crackled when she touched it. “Control, this is Detective Quinn. Pursuit has entered an underground access point beneath Camden High Street. Suspect is on foot, heading—” A burst of static swallowed the rest. She lifted the radio closer. “Control, respond.” No reply. The door swung inward. Beyond it, a tunnel ran beneath the city. Old tiles gleamed under a line of naked bulbs. Water dripped from the ceiling. Footprints marked the dust, some human, some too long and narrow to belong to any ordinary shoe. Quinn stared at the darker passage ahead. She had spent eighteen years walking into places where other people backed away. Warehouses with guns on the floor. Flats where the silence meant someone had died. A terraced house in Brixton where her partner, DS Morris, had vanished between one room and the next. Three years had passed. No body. No explanation. Only a smear of black residue on the wall and Morris’s radio, still transmitting his breathing after the room had emptied. Quinn tightened her grip. Then the suspect shouted from the tunnel. “Detective! You’re late.” His voice bounced through the passage. Quinn stepped inside. The door groaned shut behind her. She moved fast, pistol raised, her eyes adjusting to the weak bulbs. The tunnel sloped down beneath the station works. Pipes crossed overhead. Old advertising posters peeled from the walls, their faces stretched by damp. Somewhere ahead, a bell rang once. Quinn reached a junction. The suspect’s footprints split left and right. One trail held rainwater. The other carried a smear of dark fluid. She crouched beside it. The fluid clung to her gloved fingertip like oil. It reflected no light. A scrape sounded from the left passage. Quinn went that way. The corridor narrowed. Brick walls pressed close to her shoulders. The bulbs ended after twenty yards, leaving the route lit by a red glow that pulsed beneath the floorboards ahead. She heard voices. “Bone token?” “Paid already.” “Show me.” Quinn stopped at the edge of an arched opening. The tunnel opened into a vast abandoned platform. A station sign hung crooked above the far wall. The name had been painted over so often that only fragments remained. Old tracks vanished beneath stalls and tarpaulins. Lanterns burned blue, green and violet along the platform, casting colours across faces that did not always look human. The suspect stood among the crowd. His grey coat dripped onto the stone. The canvas satchel rested at his feet. A woman with silver skin inspected its contents while a man with antlers leaned over a crate of glass vials. At another stall, small black birds slept inside brass cages, each one wearing a tiny red collar. Quinn kept her pistol trained on the suspect. “Step away from the bag.” Conversation died around her. The suspect smiled. “You followed me into the Veil Market.” Quinn scanned the platform. Humans in old coats moved between creatures with pale eyes, forked tongues and hands jointed in the wrong places. A child with a face like polished wax held a paper cone of glowing insects. An elderly vendor arranged teeth on velvet and watched Quinn with open interest. “The what?” The silver-skinned woman closed the satchel. The suspect raised both hands. “Detective, you’ve got three seconds before someone decides your weapon is worth more than your life.” Quinn advanced one step. “Hands where I can see them.” A man behind the nearest stall laughed. His teeth were filed to points. The suspect nudged the satchel with his boot. “You should leave.” “Get on your knees.” The blue lanterns flickered. Every face turned towards her. Quinn felt the market’s attention settle over her like a physical weight. Her radio hissed at her shoulder. She reached for it, but the device spat a spark and went dead. The suspect looked past her towards the tunnel. “You came alone?” “I don’t need a crowd.” “That’s not what I asked.” Quinn moved her pistol a fraction higher. “What’s in the bag?” “Something that doesn’t belong in your world.” “You stabbed a chemist for it.” “He sold it to the wrong people.” “That wasn’t an answer.” A woman in a red veil stepped from behind a stall. Her veil hung wet against her face, though no rain reached the platform. She held up a small bone token between two fingers. “Entry must be paid,” she said. Quinn looked at the token. A black mark had been carved into its surface. “I’m Metropolitan Police.” The woman tilted her head. “Then you’re trespassing.” The market shifted around Quinn. Stalls rolled aside without wheels. A passage opened behind the suspect, framed by old ticket barriers and curtains of hanging chains. The suspect backed towards it. Quinn tracked him with the pistol. “Stay where you are.” He glanced at the silver-skinned woman. “Keep the bag.” The woman tucked it beneath her cloak. Quinn lunged forward. A hand closed around her wrist. She twisted, drove an elbow into the attacker’s ribs and tore free. The creature stumbled back, gripping its side. Quinn swung the pistol towards the suspect, but the crowd surged between them. Someone struck her shoulder. She spun and found a tall figure wearing a cracked porcelain mask. Its fingers curled around the barrel of her weapon. Quinn slammed her forehead into the mask. Porcelain split. The figure recoiled. She wrenched the pistol free and fired into the ceiling. The shot cracked across the platform. Blue flames burst from the lanterns. The market erupted. Stalls overturned. Glass shattered. Someone screamed in a language Quinn could not recognise. The suspect ran through the chains. Quinn followed. She crossed the barrier as hands reached for her coat. One claw raked across her sleeve. Another caught her collar and nearly pulled her backward. She fired again, not at anyone but into the floor. Stone exploded beside the grasping hand. The chains whipped shut behind her. She landed in a tiled passage lit by green bulbs. The noise of the market dulled to a muffled roar. The suspect sprinted ahead. Quinn ran after him. “Stop!” He looked over his shoulder. “You don’t understand where you are!” “Then slow down and explain!” He reached a set of stairs descending into darkness. At the top, he stopped and turned. Quinn raised her pistol, breathing hard. The suspect’s face had lost its composure. Rainwater ran from his hair, but the blood on his cheek had dried black. “If you come down there,” he said, “the market won’t be the dangerous part.” Quinn kept the sights centred on his chest. “You’re under arrest for assault, theft and obstruction.” He laughed once, without humour. “You still think the law works underground?” Below him, something heavy dragged across stone. The sound came closer. Quinn glanced towards the stairs. The darkness below held no lamps, no markings, no route back. Behind her, the chains rattled as the market pressed against them. Her radio remained dead. Her ammunition was limited. The suspect stood within reach of the shadows, and whatever moved below him had begun to climb. He extended one hand. “Make the sensible choice, Detective.” Quinn looked at the hand, then at the stairwell. Her watch ticked against her wrist. 11:53 p.m. She lowered the pistol by an inch. “Turn around,” she ordered. “Walk down the stairs.” The suspect’s expression tightened. “You heard me.” “Quinn—” “Move.” The dragging stopped. A pale hand curled over the stair’s edge beneath him. Its nails scraped the stone. Another hand appeared beside it. Quinn raised the pistol again. “Now.”
created_at"2026-07-09T18:11:05.463Z" 7/9/2026, 6:11:05 PM
model"openai/gpt-5.6-luna-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency543
moderation_latency(null)
generation_time13135
tokens_prompt1140
tokens_completion2828
native_tokens_prompt984
native_tokens_completion2143
native_tokens_completion_images0
native_tokens_reasoning0
native_tokens_cached0
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"
service_tier"default"
usage0.013842
router(null)
provider_responses
0
endpoint_id"eebea444-34a5-4642-a766-cb319471d33a"
id"resp_04f7491e11bf70c0016a4fe4398fd081959b72fa02dd299373"
is_byokfalse
latency296
model_permaslug"openai/gpt-5.6-luna-20260709"
provider_name"OpenAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.18.0; linux; x64))"
http_referer(null)
request_id"req-1783620665-1mSmqgKtQPWcu16hDQSD"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783620665-cTWiM4GylByoo8uWycfX"
upstream_id"resp_04f7491e11bf70c0016a4fe4398fd081959b72fa02dd299373"
total_cost0.013842
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"
response_cache_source_id(null)
data_region"global"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags3
adverbTagCount0
adverbTags(empty)
dialogueSentences41
tagDensity0.073
leniency0.146
rawRatio0
effectiveRatio0
100.00% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1674
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)
70.13% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1674
totalAiIsms10
found
0
word"calculating"
count1
1
word"silence"
count1
2
word"pulsed"
count1
3
word"scanned"
count1
4
word"velvet"
count1
5
word"flickered"
count1
6
word"weight"
count1
7
word"porcelain"
count2
8
word"shattered"
count1
highlights
0"calculating"
1"silence"
2"pulsed"
3"scanned"
4"velvet"
5"flickered"
6"weight"
7"porcelain"
8"shattered"
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
narrationSentences193
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount0
narrationSentences193
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences231
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen23
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1674
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions6
unquotedAttributions0
matches(empty)
31.84% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions45
wordCount1481
uniqueNames8
maxNameDensity2.36
worstName"Quinn"
maxWindowNameDensity4
worstWindowName"Quinn"
discoveredNames
Camden1
High1
Street1
Harlow1
Quinn35
Brixton1
Morris2
Old3
persons
0"Harlow"
1"Quinn"
2"Morris"
places
0"Camden"
1"High"
2"Street"
3"Brixton"
4"Old"
globalScore0.318
windowScore0.333
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences121
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.597
wordCount1674
matches
0"not at anyone but into the floor"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences231
matches
0"went that way"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs146
mean11.47
std12.8
cv1.117
sampleLengths
018
18
267
311
410
531
62
74
833
92
1023
1151
1214
132
1438
159
164
172
183
1921
202
2136
226
2329
2421
257
265
272
282
294
3039
317
3245
3329
344
357
363
376
383
396
4041
414
4219
434
4413
457
464
4730
483
492
99.81% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences193
matches
0"been painted"
1"were filed"
2"been carved"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs264
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences231
ratio0
matches(empty)
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1485
adjectiveStacks0
stackExamples(empty)
adverbCount30
adverbRatio0.020202020202020204
lyAdverbCount6
lyAdverbRatio0.00404040404040404
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences231
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences231
mean7.25
std4.65
cv0.642
sampleLengths
018
18
213
310
423
521
61
72
82
96
1010
1111
124
133
1413
152
164
179
182
191
2021
212
225
2310
248
2516
263
2715
288
299
3014
312
3211
337
348
3512
369
374
382
393
404
417
4210
432
4415
457
4614
476
4815
494
51.52% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats6
diversityRatio0.3246753246753247
totalSentences231
uniqueOpeners75
76.63% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount4
totalSentences174
matches
0"Only water answered."
1"Only a smear of black"
2"Then the suspect shouted from"
3"Somewhere ahead, a bell rang"
ratio0.023
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount42
totalSentences174
matches
0"He ran beneath the awnings,"
1"He had stolen it from"
2"She ignored it."
3"Her boots struck puddles hard"
4"His face looked narrow and"
5"He cut across the road"
6"She flashed her warrant card"
7"She caught the metallic taste"
8"Her left wrist knocked against"
9"She reached the gate."
10"Her boots slid on the"
11"Her training demanded backup."
12"She lifted the radio closer."
13"She had spent eighteen years"
14"His voice bounced through the"
15"She moved fast, pistol raised,"
16"She crouched beside it."
17"It reflected no light."
18"She heard voices."
19"His grey coat dripped onto"
ratio0.241
23.22% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount152
totalSentences174
matches
0"Rain sheeted across Camden High"
1"Detective Harlow Quinn kept the"
2"He ran beneath the awnings,"
3"A canvas satchel slapped against"
4"He had stolen it from"
5"Quinn had arrived in time"
6"The ring flashed whenever the"
7"Quinn pushed through a knot"
8"Someone shouted after her."
9"She ignored it."
10"Her boots struck puddles hard"
11"The suspect glanced back."
12"His face looked narrow and"
13"He cut across the road"
14"A cab clipped her coat."
15"The driver leaned out and"
16"She flashed her warrant card"
17"The suspect vaulted a low"
18"Quinn’s lungs burned."
19"She caught the metallic taste"
ratio0.874
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences174
matches(empty)
ratio0
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences53
technicalSentenceCount0
matches(empty)
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags3
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags3
fancyCount1
fancyTags
0"she ordered (order)"
dialogueSentences41
tagDensity0.073
leniency0.146
rawRatio0.333
effectiveRatio0.049
88.4380%