Run: 2026-04-24-01KQ0GAQ61HB4Z1QW5GD8EVT8P

Run Details

Model:
Claude Opus 4.7 (Reasoning)
Test:
Bad Writing Habits
Scenario:
Fantasy: entering an ancient ruin
Duration:
30.5s
Cost:
$0.072550
Provider:
Amazon Bedrock

Evaluation summary

Score Evaluator
Details Link
100.00% Adverbs in dialogue tags (details)
90.62% AI-ism adverb frequency (details)
100.00% AI-ism character names (details)
100.00% AI-ism location names (details)
53.10% AI-ism word frequency (details)
100.00% Cliché density (details)
100.00% Emotion telling (show vs. tell) (details)
100.00% Filter word density (details)
100.00% Gibberish response detection (details)
100.00% Markdown formatting overuse (details)
100.00% Missing dialogue indicators (quotation marks) (details)
78.91% Name drop frequency (details)
0.00% Narrator intent-glossing (details)
0.00% "Not X but Y" pattern overuse (details)
100.00% Overuse of "that" (subordinate clause padding) (details)
100.00% Paragraph length variance (details)
100.00% Passive voice overuse (details)
100.00% Past progressive (was/were + -ing) overuse (details)
0.00% Em-dash & semicolon overuse (details)
100.00% Purple prose (modifier overload) (details)
100.00% Repeated phrase echo (details)
100.00% Sentence length variance (details)
53.46% Sentence opener variety (details)
96.62% Adverb-first sentence starts (details)
100.00% Pronoun-first sentence starts (details)
17.97% Subject-first sentence starts (details)
0.00% Subordinate conjunction sentence starts (details)
100.00% Technical jargon density (details)
34.09% Useless dialogue additions (details)
98.72% Dialogue tag variety (said vs. fancy) (details)
77.4494% Overall

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="4412" name="Aurora Carter" aliases="Rory, Laila, Aurora, Carter, Malphora" pronouns="she/her" species="Human" storyRole="Protagonist"> <eyeColor>bright blue</eyeColor> <hair>straight shoulder-length black</hair> <height>5'6"</height> <age>25</age> <scar>small crescent-shaped scar on her left wrist from a childhood accident</scar> <description>Aurora, referred to by her friends as Rory, is cool-headed, intelligent, and known for quick out-of-the-box thinking.</description> <backstory>Born in Cardiff to an Irish barrister father (Brendan Carter) and Welsh teacher mother (Jennifer Carter née Ellis), Rory reluctantly pursued Pre-Law at Cardiff University. She fled to London at the behest of her childhood friend Eva after leaving an abusive ex named Evan. By day, Rory works part-time as a delivery person for Yu-Fei Cheung's Golden Empress restaurant. She lives in a flat above Silas' bar.</backstory> </character> <character id="4418" name="Nyx" aliases="Nyx, the Shadow, Nightwhisper" pronouns="they/them" species="Shade" storyRole="Wild Card"> <eyeColor>faintly glowing violet</eyeColor> <height>approximately 6'2" in solid form</height> <age>ageless</age> <form>humanoid silhouette of living shadow, can shift between solid and incorporeal</form> <voice>sounds like a whisper carried on the wind</voice> <description>A being of living shadow, existing between the mortal plane and the spaces between realms.</description> <backstory>Nyx was once a human sorcerer named Aldric who became trapped between realms during a failed summoning ritual in 1643. They now exist as a Shade, bound to the mortal plane but able to slip between shadows.</backstory> </character> <character id="4424" name="Isolde Varga" aliases="Isolde, the Seer" pronouns="she/her" species="Half-Fae" storyRole="Oracle"> <eyeColor>pale lavender</eyeColor> <hair>silver, reaching her waist</hair> <height>5'5"</height> <age>300 years old</age> <appearance>ethereal, ageless</appearance> <speech>speaks in riddles</speech> <footprints>leaves no footprints when she walks</footprints> <compulsion>cannot lie (Fae compulsion) but can mislead</compulsion> <description>A Half-Fae seer exiled from the Fae Courts for sharing visions with mortals.</description> <backstory>She now lives in a hidden grove in Richmond Park, offering cryptic prophecies to those who seek her out.</backstory> </character> <location id="853" name="Dymas (Gluttony)" aliases="Dymas, gluttony, Dymasian" realm="Hel" sin="Gluttony"> <ruler>Prince Belphegor</ruler> <skyColor>warm amber</skyColor> <description>A place of excess and indulgence. Sprawling vineyards, orchards, and gardens provide exotic ingredients for master chefs — often helbound souls contracted from Earth. Grand feasts and culinary competitions are common.</description> </location> <location id="861" name="The Fae Grove" aliases="Isolde's grove, Richmond grove, the Grove" realm="Earth (Fae-touched)"> <parkLocation>Richmond Park</parkLocation> <standingStones>ancient oak standing stones mark the boundary</standingStones> <timeBehavior>time moves differently — an hour inside can be minutes or days outside</timeBehavior> <flora>wildflowers bloom year-round</flora> <description>A hidden clearing that exists in a pocket between Earth and the Fae realm.</description> </location> <item id="2001" name="Heartstone Pendant" aliases="the pendant, Heartstone" type="Artifact" origin="Dymas"> <gemstoneColor>deep crimson</gemstoneColor> <chainMaterial>silver chain</chainMaterial> <size>roughly the size of a thumbnail</size> <behavior>pulses faintly with warmth when near a Hel portal</behavior> <glow>faint inner glow</glow> <description>Given to Aurora by an unknown benefactor.</description> </item> <item id="2006" name="Fae-Forged Blade" aliases="the Fae blade, Isolde's gift" type="Weapon" origin="The Fae Courts"> <material>moonsilver</material> <shape>slender, leaf-shaped dagger</shape> <temperature>always cold to the touch</temperature> <glow>faintly luminescent in moonlight</glow> <power>can cut through magical wards; particularly effective against demons</power> <givenTo>given to Aurora by Isolde as a gift</givenTo> <description>A weapon of the Fae Courts, rare and highly coveted.</description> </item> <lore id="7001" name="The Veil" aliases="the Veil, the Barrier, the Boundary" category="Cosmology"> <solsticeEffect>weakens during the winter solstice, strengthens during the summer solstice</solsticeEffect> <appearance>faint shimmering distortion visible only to those with supernatural sight</appearance> <monitoring>rift points (tears in the Veil) are monitored by the Wardens</monitoring> <description>The Veil is the metaphysical barrier separating Earth from Hel and the Fae Realms.</description> </lore> </codex> Continue the story using the following instructions: <instructions> Write a fully fleshed out scene of at least 1000 words in the fantasy genre. A small group enters an ancient, otherworldly place for the first time. The environment is alien and wondrous. Describe their exploration — what they see, hear, and feel as they move deeper. Include moments of discovery, unease, and wonder. Let the world-building emerge through the characters' experience rather than exposition. Use the codex entries above as your world reference for characters, setting, and lore. Only include the prose of the scene without any markdown or commentary. </instructions>

Model response

AI
The oak standing stones hummed as Aurora passed between them, a low vibration she felt in her teeth more than heard. She'd expected the grove on the other side — the wildflowers, the absurd sunlight, Isolde's usual riddles waiting like a spider in the centre of a web. Instead the air folded. "That's not Richmond," Aurora said. "No." Isolde's silver hair caught a light that had no source. "That is older than Richmond. Older than the park, the city, the island beneath it." "Helpful." "You asked where the pendant came from. The answer lies past one more door. Mind the threshold." Nyx flowed in behind them, a seam of dark peeling off the stones and reconstituting into something roughly person-shaped. Their violet eyes hovered at Aurora's shoulder. "I do not like this," Nyx whispered. "The shadows here remember being something else." The threshold Isolde had warned about wasn't a door. It was a seam in the air, stitched with what looked like gold thread and smelled of wet iron. Aurora stepped through and the ground took her weight differently on the other side, as though it had chosen to. They stood in a vast hall that had no roof she could see and yet was not open to sky. Columns the colour of bruised pearl rose on either side, taller than cathedrals, etched with a script that squirmed when she tried to focus on it. Between the columns, banners of some flimsy material hung without moving, though a breeze pushed against her face. "Don't read the walls," Isolde said, quiet. "They read back." Aurora dragged her gaze down. The floor was a tide of tiny tiles, each no bigger than a fingernail, every one a different colour, and as she walked the pattern under her boots shifted as though sand were moving beneath glass. She crouched to touch one. It was warm. The tile next to it was freezing. "Rory." Nyx's whisper cut sharp. "Keep moving." She stood. The Heartstone pendant at her throat had begun to pulse, not with the usual warmth near a Hel rift, but slow and steady, a second heartbeat nestled against her collarbone. When she pressed her palm to it the crimson light spilled between her fingers and painted the nearest column pink. Isolde's lavender eyes flicked to it. "Curious." "That's what you said about the spider in my kitchen last week." "The spider was curious too." They moved deeper. The hall opened into a rotunda that contradicted itself; the walls curved outward the further they walked, so that the space seemed to grow rather than be traversed. In the centre stood a pool without water, its basin filled instead with something that looked like mist made solid, turning slowly. Aurora stopped at its edge. Faces appeared in the churn — not reflections, but fragments. A woman laughing with her mouth full of teeth. A child holding a sword too big for them. An old man weeping into his hands. None of them her. "What is this?" "Memory," Isolde said. "Not yours. Be grateful." "Whose?" "The Builders. Whoever made this place poured a little of themselves into every room. They are long gone. What remains is furniture." Nyx had drifted to the far side of the pool and stopped. Their silhouette sharpened, growing edges. "Aurora." She crossed to them. Set into the floor at Nyx's feet was a circular plate of that same pearled stone, rimmed with symbols. In its centre, a single handprint had been pressed into the material while it was soft — five long fingers, a thumb that bent the wrong way. "Not human," Aurora said. "Not demon either." Nyx crouched without bending, the shadow of them compressing. "I have walked Hel's lower roads. Nothing there leaves a mark like this." The Heartstone pulsed harder. Aurora's ribs felt it. She stepped onto the plate before she'd decided to, and the symbols at the rim lit one after another, a slow procession of colour moving clockwise. The mist in the basin froze mid-turn. The banners, which had not stirred in the unreal breeze, lifted all at once. "Off," Isolde said. Sharp, for her. "Aurora. Step off the plate." "I can't —" The floor was not holding her. The floor was listening to her. She felt each tile beneath her boots as a separate mouth, attentive. The pendant burned now, proper heat, the kind that warned of portals, and through that heat she heard something like music — not music, but the memory of music, played once a thousand years ago and still rattling around the rafters. Nyx's hand closed on her wrist. Their grip should have been smoke. It wasn't. It was cold iron. They yanked her backwards and she stumbled off the plate and into the stale air that suddenly tasted of dust. The symbols dimmed. The banners sagged. The mist resumed its turning as if none of it had mattered. "What the hell was that," Aurora breathed. "A key trying to find its lock," Isolde said. "Or a lock trying to find its key. I am not yet certain which of you is which." "I hate when you talk like that." "I know." They stood in the recovered quiet. Aurora's pulse caught up with her in small unpleasant waves. The Fae blade at her hip had frosted over, beads of condensation gathered along its sheath; she hadn't drawn it, but it had known to be ready. Nyx released her wrist. Their silhouette re-softened, shadow again, almost apologetic. "I felt the room reach for you." "Reach for me how?" "The way a hand reaches for a cup it recognises." Aurora looked at the handprint in the stone. Five fingers. A thumb that bent the wrong way. She pressed her own hand against her thigh, counted her fingers without meaning to. "Isolde." She kept her voice level. "Where did my pendant come from. The real answer." Isolde tilted her head. The silver of her hair moved a beat late, as if catching up. "I told you. Past one more door." "And how many doors are in this place?" The Seer's smile was small and not quite kind. "As many as you open." Somewhere above them, or below, or in a direction Aurora's body did not have a word for, something shifted its weight and settled again, the way a sleeping animal turns in its den. The banners twitched. The pendant, at last, cooled.
created_at"2026-04-24T19:44:07.365Z" 4/24/2026, 7:44:07 PM
model"anthropic/claude-4.7-opus-20260416"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2836
moderation_latency(null)
generation_time30456
tokens_prompt1816
tokens_completion1655
native_tokens_prompt2700
native_tokens_completion2362
native_tokens_completion_images(null)
native_tokens_reasoning61
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"end_turn"
usage0.07255
router(null)
provider_responses
0
endpoint_id"0fa65117-00d9-4835-808d-9b68041d9ce4"
id"34e3a517-86fd-4892-8868-9712e652c0b6"
is_byokfalse
latency1087
model_permaslug"anthropic/claude-4.7-opus-20260416"
provider_name"Amazon Bedrock"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer(null)
request_id"req-1777059847-czfec7iEQwwRFQdFK6vN"
session_id(null)
api_type"completions"
id"gen-1777059847-5fVcWxraiTMGSZ6tBr2l"
upstream_id"34e3a517-86fd-4892-8868-9712e652c0b6"
total_cost0.07255
cache_discount(null)
upstream_inference_cost0
provider_name"Amazon Bedrock"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags11
adverbTagCount0
adverbTags(empty)
dialogueSentences39
tagDensity0.282
leniency0.564
rawRatio0
effectiveRatio0
90.62% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1066
totalAiIsmAdverbs2
found
0
adverb"slowly"
count1
1
adverb"suddenly"
count1
highlights
0"slowly"
1"suddenly"
100.00% AI-ism character names
Target: 0 AI-default names (17 tracked, −20% each)
codexExemptions(empty)
found(empty)
100.00% AI-ism location names
Target: 0 AI-default location names (33 tracked, −20% each)
codexExemptions(empty)
found(empty)
53.10% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1066
totalAiIsms10
found
0
word"weight"
count2
1
word"etched"
count1
2
word"whisper"
count1
3
word"pulse"
count2
4
word"warmth"
count1
5
word"flicked"
count1
6
word"churn"
count1
7
word"pulsed"
count1
highlights
0"weight"
1"etched"
2"whisper"
3"pulse"
4"warmth"
5"flicked"
6"churn"
7"pulsed"
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
narrationSentences79
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount2
narrationSentences79
filterMatches(empty)
hedgeMatches
0"tried to"
1"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences106
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen40
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1070
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions11
unquotedAttributions0
matches(empty)
78.91% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions35
wordCount844
uniqueNames8
maxNameDensity1.42
worstName"Aurora"
maxWindowNameDensity2
worstWindowName"Aurora"
discoveredNames
Aurora12
Isolde9
Nyx8
Heartstone2
Hel1
Sharp1
Fae1
Seer1
persons
0"Aurora"
1"Isolde"
2"Nyx"
3"Seer"
places
0"Hel"
globalScore0.789
windowScore1
0.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences47
glossingSentenceCount4
matches
0"looked like gold thread and smelled of we"
1"looked like mist made solid, turning slow"
2"something like music — not music, but the me"
3"as if catching up"
0.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches3
per1kWords2.804
wordCount1070
matches
0"not with the usual warmth near a Hel rift, but slow"
1"not reflections, but fragments"
2"not music, but the memory of music, played once a thousand years ago"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences106
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs46
mean23.26
std19.23
cv0.827
sampleLengths
052
15
226
31
417
526
614
748
864
910
1056
117
1252
137
1412
155
1653
1744
183
197
201
2122
2218
2350
244
2525
2655
2711
283
2965
3038
3118
327
3327
347
352
3643
3718
384
3910
4031
4115
4224
438
4414
4541
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount1
totalSentences79
matches
0"been pressed"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount2
totalVerbs138
matches
0"was not holding"
1"was listening"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount4
semicolonCount2
flaggedSentences6
totalSentences106
ratio0.057
matches
0"She'd expected the grove on the other side — the wildflowers, the absurd sunlight, Isolde's usual riddles waiting like a spider in the centre of a web."
1"The hall opened into a rotunda that contradicted itself; the walls curved outward the further they walked, so that the space seemed to grow rather than be traversed."
2"Faces appeared in the churn — not reflections, but fragments."
3"In its centre, a single handprint had been pressed into the material while it was soft — five long fingers, a thumb that bent the wrong way."
4"The pendant burned now, proper heat, the kind that warned of portals, and through that heat she heard something like music — not music, but the memory of music, played once a thousand years ago and still rattling around the rafters."
5"The Fae blade at her hip had frosted over, beads of condensation gathered along its sheath; she hadn't drawn it, but it had known to be ready."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount626
adjectiveStacks0
stackExamples(empty)
adverbCount14
adverbRatio0.022364217252396165
lyAdverbCount3
lyAdverbRatio0.004792332268370607
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences106
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences106
mean10.09
std8.5
cv0.842
sampleLengths
021
127
24
35
411
515
61
717
819
97
107
117
129
1319
1420
1520
1626
1718
187
193
205
2136
225
233
247
255
262
272
2830
2920
306
311
3212
335
343
3528
3622
375
3810
399
409
417
424
433
443
454
461
4722
4812
495
53.46% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats10
diversityRatio0.37735849056603776
totalSentences106
uniqueOpeners40
96.62% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount2
totalSentences69
matches
0"Instead the air folded."
1"Somewhere above them, or below,"
ratio0.029
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount18
totalSentences69
matches
0"She'd expected the grove on"
1"Their violet eyes hovered at"
2"It was a seam in"
3"They stood in a vast"
4"She crouched to touch one."
5"It was warm."
6"They moved deeper."
7"Their silhouette sharpened, growing edges."
8"She crossed to them."
9"She stepped onto the plate"
10"She felt each tile beneath"
11"Their grip should have been"
12"It was cold iron."
13"They yanked her backwards and"
14"They stood in the recovered"
15"Their silhouette re-softened, shadow again,"
16"She pressed her own hand"
17"She kept her voice level"
ratio0.261
17.97% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount61
totalSentences69
matches
0"The oak standing stones hummed"
1"She'd expected the grove on"
2"Isolde's silver hair caught a"
3"Nyx flowed in behind them,"
4"Their violet eyes hovered at"
5"The threshold Isolde had warned"
6"It was a seam in"
7"Aurora stepped through and the"
8"They stood in a vast"
9"Columns the colour of bruised"
10"Isolde said, quiet"
11"Aurora dragged her gaze down."
12"The floor was a tide"
13"She crouched to touch one."
14"It was warm."
15"The tile next to it"
16"Nyx's whisper cut sharp"
17"The Heartstone pendant at her"
18"Isolde's lavender eyes flicked to"
19"They moved deeper."
ratio0.884
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences69
matches(empty)
ratio0
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences27
technicalSentenceCount1
matches
0"The floor was a tide of tiny tiles, each no bigger than a fingernail, every one a different colour, and as she walked the pattern under her boots shifted as tho…"
34.09% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags11
uselessAdditionCount2
matches
0"Isolde said, quiet"
1"Nyx crouched, the shadow of them compressing"
98.72% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags8
fancyCount2
fancyTags
0"Nyx whispered (whisper)"
1"Aurora breathed (breathe)"
dialogueSentences39
tagDensity0.205
leniency0.41
rawRatio0.25
effectiveRatio0.103
77.4494%