NC Bench
Overview
About
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Run: 2026-02-19-01KHT03ADSD06VYYP2E05MC8SJ
Run Details
Model:
Claude Sonnet 4.5
Test:
Bad Writing Habits
Scenario:
Romance: separated couple reunites
Duration:
50.1s
Cost:
$0.049683
Provider:
Amazon Bedrock
Evaluation summary
Score
Evaluator
Details Link
86.36%
Adverbs in dialogue tags
(details)
74.13%
AI-ism adverb frequency
(details)
100.00%
AI-ism character names
(details)
100.00%
AI-ism location names
(details)
74.13%
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)
0.00%
Name drop frequency
(details)
100.00%
Narrator intent-glossing
(details)
100.00%
"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)
100.00%
Em-dash & semicolon overuse
(details)
100.00%
Purple prose (modifier overload)
(details)
100.00%
Repeated phrase echo
(details)
100.00%
Sentence length variance
(details)
70.22%
Sentence opener variety
(details)
0.00%
Adverb-first sentence starts
(details)
100.00%
Pronoun-first sentence starts
(details)
0.00%
Subject-first sentence starts
(details)
0.00%
Subordinate conjunction sentence starts
(details)
98.21%
Technical jargon density
(details)
100.00%
Useless dialogue additions
(details)
100.00%
Dialogue tag variety (said vs. fancy)
(details)
83.4351%
Overall
Model input
System
You are an expert and award-winning novel writer in the dark Romance genre. Your readers are hooked on your stories and can't wait to read the book you have in store. <important> - MUST: Start each chapter in medias res (in the middle of action). AVOID talking about the weather, time of day, the position of the sun, or other boring stuff. - The instructions/summary are just a that, a summary. Feel free to add details, stretch sections and add interesting transitions/descriptions/fillers. - When called for it, have fast-paced action, but otherwise take things slow. This is an experience, and not for people with short attention spans. Enjoy the wine, not slurp Red Bull. - Add descriptions when transitioning places/times/etc, or when coming by new places (e.g. a corner shop, a cafe, etc.). But remember: NOT at the start or end of a chapter. - MUST: AVOID ending in internal monologue, reminiscing or waiting for the next day. A good chapter end is when we're ending right when shit hits the fan. We want to have the reader be excited for what comes next. So no reminiscing, contemplating or summarizing the day. It's popcorn time! </important>
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="4415" name="Lucien Moreau" aliases="Lucien, Luc, the Frenchman" pronouns="he/him" species="Half-Demon" storyRole="Ally"> <eyeColor>heterochromatic — one amber, one black</eyeColor> <hair>slicked-back platinum blond</hair> <height>5'11"</height> <age>32</age> <cane>ivory-handled cane that conceals a thin blade</cane> <dress>tailored charcoal suits</dress> <description>An impeccably dressed fixer and information broker in London's supernatural underworld. He speaks four languages fluently.</description> <backstory>Born in Marseille to a human mother and a demon father from the realm of Avaros.</backstory> </character> <location id="858" name="Eva's Flat" aliases="Eva's place, the flat on Brick Lane" realm="Earth"> <cat>tabby cat named Ptolemy</cat> <security>three deadbolts on the front door</security> <description>A cramped one-bedroom flat above a curry house on Brick Lane, East London. Every surface is covered with books, scrolls, and research notes.</description> </location> </codex> <proseGuidelines> <styleGuide> - Write in past tense and use British English spelling and grammar - Keep a Flesch reading ease score of 60 - Respect the the Royal Order of Adjectives: The order is: opinion, size, age, shape, color, origin, material, purpose, followed by the noun itself (e.g., "a lovely little old rectangular green French silver whittling knife") - Respect the ablaut reduplication rule (e.g. tick-tock, flip-flop) - Write in active voice - Passive voice: <bad>The book was read by Sarah.</bad> - Active voice: <good>Sarah read the book.</good> - Reduce the use of passive verbs - <bad>For a moment, I was tempted to throw in the towel.</bad> - <good>For a moment, I felt tempted to throw in the towel.</good> - Avoid misplaced modifiers that can cause confusion when starting with "-ing" words: - <bad>Considering going to the store, the empty fridge reflected in Betty's eyes.</bad> - <good>Betty stared into the empty fridge. It was time to go to the store.</good> - Avoid redundant adverbs that state the obvious meaning already contained in the verb: - <bad>She whispered quietly to her mom.</bad> - <good>She whispered to her mom.</good> - Use stronger, more descriptive verbs over weak ones: - <bad>Daniel drove quickly to his mother's house.</bad> - <good>Daniel raced to his mother's house.</good> - Omit adverbs that don't add solid meaning like "extremely", "definitely", "truly", "very", "really": - <bad>The movie was extremely boring.</bad> - <good>The movie was dull.</good> - Use adverbs to replace clunky phrasing when they increase clarity: - <bad>He threw the bags into the corner in a rough manner.</bad> - <good>He threw the bags into the corner roughly.</good> - Avoid making simple thoughts needlessly complex: - <bad>After I woke up in the morning the other day, I went downstairs, turned on the stove, and made myself a very good omelet.</bad> - <good>I cooked a delicious omelet for breakfast yesterday morning.</good> - Never backload sentences by putting the main idea at the end: - <bad>I decided not to wear too many layers because it's really hot outside.</bad> - <good>It's sweltering outside today, so I dressed light.</good> - Omit nonessential details that don't contribute to the core meaning: - <bad>It doesn't matter what kind of coffee I buy, where it's from, or if it's organic or not—I need to have cream because I really don't like how the bitterness makes me feel.</bad> - <good>I add cream to my coffee because the bitter taste makes me feel unwell.</good> - Always follow the "show, don't tell" principle. For instance: - Telling: <bad>Michael was terribly afraid of the dark.</bad> - Showing: <good>Michael tensed as his mother switched off the light and left the room.</good>- Telling: <bad>I walked through the forest. It was already Fall, and I was getting cold.</bad> - Showing: <good>Dry orange leaves crunched under my feet. I pulled my coat's collar up and rubbed my hands together.</good>- Add sensory details (sight, smell, taste, sound, touch) to support the "showing" (but keep an active voice) - <bad>The room was filled with the scent of copper.</bad> - <good>Copper stung my nostrils. Blood. Recent.</good> - Use descriptive language more sporadically. While vivid descriptions are engaging, human writers often use them in bursts rather than consistently throughout a piece. When adding them, make them count! Like when we transition from one location to the next, or someone is reminiscing their past, or explaining a concept/their dream... - Avoid adverbs and clichés and overused/commonly used phrases. Aim for fresh and original descriptions. - Avoid writing all sentences in the typical subject, verb, object structure. Mix short, punchy sentences with long, descriptive ones. Drop fill words to add variety. Like so: <good>Locked. Seems like someone doesn't want his secrets exposed. I can work with that.</good> - Convey events and story through dialogue. It is important to keep a unique voice for every character and make it consistent. - Write dialogue that reveals characters' personalities, motivations, emotions, and attitudes in an interesting and compelling manner - Leave dialogue unattributed. If needed, only use "he/she said" dialogue tags and convey people's actions or face expressions through their speech. Dialogue always is standalone, never part of a paragraph. Like so: - <bad>"I don't know," Helena said nonchalantly, shrugging her shoulders</bad> - <good>"No idea" "Why not? It was your responsibility"</good> - Avoid boring and mushy dialog and descriptions, have dialogue always continue the action, never stall or include unnecessary fluff. Vary the descriptions to not repeat yourself. Avoid conversations that are just "Let's go" "yes, let's" or "Are you ready?" "Yes I'm ready". Those are not interesting. Think hard about every situtation and word of text before writing dialogue. If it doesn't serve a purpose and it's just people talking about their day, leave it. No one wants to have a normal dinner scene, something needs to happen for it to be in the story. Words are expensive to print, so make sure they count! - Put dialogue on its own paragraph to separate scene and action. - Use body language to reveal hidden feelings and implied accusations- Imply feelings and thoughts, never state them directly - NEVER use indicators of uncertainty like "trying" or "maybe" - NEVER use em-dashes, use commas for asides instead </styleGuide> <voiceGuide> Each character in the story needs to have distinct speech patterns: - Word choice preferences - Sentence length tendencies - Cultural/educational influences - Verbal tics and catchphrases Learn how each person talks and continue in their style, and use their Codex entries as reference. <examples> - <bad>"We need to go now." "Yes, we should leave." "I agree."</bad> <good>"Time's up." "Indeed, our departure is rather overdue." "Whatever, let's bounce."</good> - Power Dynamic Example: <bad> "We need to discuss the contract." "Yes, let's talk about it." "I have concerns." </bad> <good> "A word about the contract." "Of course, Mr. Blackwood. Whatever you need." "The terms seem..." A manicured nail tapped the desk. "Inadequate." "I can explain every-" "Can you?" </good> </examples> </voiceGuide> <dialogueFlow> When writing dialogue, consider that it usually has a goal in mind, which gives it a certain flow. Make dialogue sections also quite snappy in the back and forth, and don't spread the lines out as much. It's good to have details before, after, or as a chunk in-between, but we don't want to have a trail of "dialogue breadcrumbs" spread throughout a conversation. <examples> - Pattern 1 - Question/Deflection/Revelation: <good> "Where were you last night?" "Work. The usual." "Lipstick's an interesting shade for spreadsheets." </good> - Pattern 2 - Statement/Contradiction/Escalation: <good> "Your brother's clean." "Tommy doesn't touch drugs." "I'm holding his tox screen." </good> - Pattern 3 - Observation/Denial/Truth: <good> "That's a new watch." "Birthday gift." "We both know what birthdays mean in this business." </good> - Example - A Simple Coffee Order: <bad> "I'll have a coffee." "What size?" "Large, please." </bad> <good> "Black coffee.""Size?""Large. Been a long night." "That bodega shooting?" "You watch too much news." "My brother owns that store." </good> This short exchange: - Advances plot (reveals connection to crime) - Shows character (cop working late) - Creates tension (unexpected connection) - Sets up future conflict (personal stake) - Example - Dinner Scene: <bad> "Pass the salt." "Here you go." "Thanks." </bad> <good> "Salt?" "Perfect as is. Mother's recipe." "Mother always did prefer... bland things." "Unlike your first wife?" </good> - Example - Office Small Talk: <bad> "Nice weather today." "Yes, very nice." "Good for golf." </bad> <good> "Perfect golf weather." "Shame about your membership." "Temporary suspension. Board meets next week." "I know. I called the vote." </good> </examples> </dialogueFlow> <subtextGuide> - Layer dialogue with hidden meaning: <bad>"I hate you!" she yelled angrily.</bad> <good>"I made your favorite dinner." The burnt pot sat accusingly on the stove.</good> - Create tension through indirect communication: <bad>"Are you cheating on me?"</bad> <good>"Late meeting again?" The lipstick stain on his collar caught the light.</good> <examples> - Example 1 - Unspoken Betrayal: <bad> "Did you tell them about our plans?" "No, I would never betray you." "I don't believe you." </bad> <good> "Funny. Johnson mentioned our expansion plans today." "The market's full of rumors." "Mentioned the exact numbers, actually." The pen in his hand snapped. </good> - Example 2 - Failed Marriage: <bad> "You're never home anymore." "I have to work late." "I miss you." </bad> <good> "Your dinner's in the microwave. Again." "Meetings ran long." "They always do." She folded the same shirt for the third time. </good> - Example 3 - Power Struggle: <bad> "You can't fire me." "I'm the boss." "I'll fight this." </bad> <good> "That's my father's nameplate you're sitting behind." "Was." "The board meeting's on Thursday." </good> </examples> </subtextGuide> <sceneDetail> While writing dialogue makes things more fun, sometimes we need to add detail to not have it be a full on theatre piece. <examples> - Example A (Power Dynamic Scene) <good> "Where's my money?" The ledger snapped shut. "I need more time." "Interesting." He pulled out a familiar gold pocket watch. My mother's. "Time is exactly what you bargained with last month." "That was different-" "Was it?" The watch dangled between us. "Four generations of O'Reillys have wound this every night. Your mother. Your grandmother. Your great-grandmother.Shall we see who winds it next?" </good> - Example B (Action Chase) It's much better to be in the head of the character experiencing it, showing a bit of their though-process, mannerisms and personality: <good> Three rules for surviving a goblin chase in Covent Garden: Don't run straight. Don't look back. Don't let them herd you underground. I broke the first rule at Drury Lane. Rookie mistake. The fruit cart I dodged sailed into the wall behind me. Glass shattered. Someone screamed about insurance. *Tourist season's getting rough*, the scream seemed to say. Londoners adapt fast. "Oi! Market's closed!" The goblin's accent was pure East End. They're evolving. Learning. I spotted the Warren Street tube station sign ahead. *Shit.* There went rule three. </good> - Example C (Crime Scene Investigation) <good> "Greek." Davies snapped photos of the symbols. "No, wait. Reverse Greek." "Someone's been watching too many horror films." I picked up a receipt from the floor. Occult supply shop in Camden. Paid by credit card. *Amateur hour*. "Could be dangerous though," Davies said. "Remember Bristol?" "Bristol was Sanskrit. And actual cultists." I pointed to the nearest symbol. "This genius wrote 'darkness' backwards but used a Sigma instead of an S. It's summoning Instagram followers at best." "Speaking of followers..." Davies pointed to heavy foot traffic in the dust. Multiple sets. All new trainers. *Ah.* "Anyone check local uni paranormal societies?" </good> - Example D (Dialogue-heavy) <good> "Found your card in her wallet." The detective slid it across the table. Worn edges. Folded corner. Three years old at least. "Standard practice. I work missing persons." "Funny thing about missing persons.Eventually they stop being missing. Turn up in the Thames. Under motorways. In pieces." "I don't-" "You found four last year. All breathing." She opened a file. "This would've been your first dead one. If we hadn't found her first." The card felt heavier somehow. </good> </examples> </sceneDetail> <sceneOpenings> KEY RULE: Never open with more than one paragraph of description, no matter how beautiful. Description should be earned through action and dialogue. Instead of opening with setting description, open with: - A character doing something specific - A line of dialogue that raises questions - An unexpected observation - A moment of tension or conflict - Start with a hook that's 1-2 sentences maximum - Follow with a smaller paragraph that provides immediate context - Vary paragraph size from the start to create visual interest </sceneOpenings> </proseGuidelines> Write a chapter based on the following instructions: <instructions> Write a fully fleshed out scene of at least 1000 words in the romance genre. Two people who parted on complicated terms are forced together again when one shows up unannounced at the other's flat. There's history between them — attraction, hurt, and things left unsaid. Write the scene from the moment the door opens. 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
Messages
Meta
AI
The three deadbolts clicked open
one by one.
Eva's face appeared in the
gap, grey eyes narrowing. "No." "Eva—" "Absolutely not."
She moved to close the
door.
Rory's hand shot out, palm
flat against the wood. "Please."
The word hung between them
like smoke.
Eva's jaw tightened, that familiar
muscle ticking near her ear.
She'd developed that tell at
Cardiff, during exam season, when Rory would drag her out for chips at two in the morning instead of letting her revise herself into a migraine. "Ten minutes."
Eva stepped back
.
The curry house below them
pumped out the smell of cumin and coriander, fighting with the damp London autumn seeping through the walls. Rory slipped inside. Books everywhere, same as always.
Scrolls pinned to the walls
with actual thumbtacks like some conspiracy theorist's fever dream.
A laptop balanced on a
stack of grimoires near the window.
Ptolemy, Eva's massive tabby, lifted
his head from the desk chair, considered Rory with amber disdain, and went back to sleep. "You look terrible."
Eva crossed her arms, leaning
against the kitchenette counter.
She wore an oversized Cardiff
jumper, the same one Rory had borrowed a hundred times during lectures. The sleeves swallowed her hands. "Long week." "It's Tuesday." "Long life, then." Eva didn't smile.
She used to smile at
that sort of thing. Used to laugh, actually, the kind that made her snort and turn red.
Rory had collected those laughs
like currency. "What do you want?" Eva's voice was flat. Professional. The tone she used on cold calls from telemarketers. Rory pulled out the envelope from her jacket. Cream-coloured paper, expensive
weight
. The kind that meant trouble or weddings, and she'd already had her fill of both. "I need you to translate something." "There's Google Translate." "This isn't Spanish, Eva." "Then there's the British Library. Very helpful staff. Excellent tea in the café." "It's demonic script." The temperature in the room dropped several degrees. Eva's fingers curled into the Cardiff jumper, white-knuckled. "Get out." "I wouldn't be here if—" "Get. Out." Each word sharp enough to cut. "You made yourself clear last time. Very clear, actually. Something about me being 'obsessed' and 'dangerous' and, what was the other bit? Oh yes, '
completely
fucking mental.'" Heat crawled up Rory's neck. "You were spending eighteen hours a day reading about blood magic." "I was researching." "You stopped eating. Stopped sleeping. I came over and found you trying to draw a summoning circle in your own—" "It was a protection ward." "With your blood, Eva." "That's how they work!" Eva's voice cracked.
She turned away, bracing both
hands on the counter.
Her spine curved like a
drawn bow. "Do you have any idea how patronising it is? You, who ran from everything the second it got complicated, telling me I was in too deep. You fled Cardiff. You fled Evan. You'd have fled London if you hadn't run out of England." The words landed like punches. Rory's scar
itched, that crescent
moon on her left wrist. She rubbed it absently. "That's not fair." "Fair?" Eva spun around. "You disappeared for six months. Six. Not a text, not a call. Then you show up at my door with demonic correspondence and expect what? That we're still mates who share crisps and complain about our dissertations?" "I called." "Once. You called once. To tell me you were 'figuring things out.' Very illuminating, that." Ptolemy stretched, claws catching in the chair fabric. The sound was loud in the sudden
silence
. Rory's chest felt tight, like someone had laced her ribs too close together.
She'd rehearsed this conversation a
dozen times on the tube over. None of those versions had included Eva's voice breaking or the way she kept tugging at her sleeves. "I'm sorry." The words felt inadequate. Small. "I should have called more. I should have... not said what I said." "But you meant it." "Parts of it, maybe. But not—" Rory gestured
helplessly
. "You scared me, Eva. Not the magic stuff. You. Watching you disappear into research like it was quicksand. I didn't know how to pull you out." "I didn't need pulling out. I needed support." Eva's voice had gone quiet. Dangerous. "From the one person who was supposed to understand." "Understand what? That my best friend was carving symbols into her skin?" "Protection wards—" "Are there other kinds?" Rory took a step forward. "Wards that don't require your blood? Ways to research that don't involve not sleeping for three days straight?" Eva's mouth opened. Closed. "Yes. Sometimes. It depends on the context." "Then why didn't you use those?" "Because the person I was trying to protect wouldn't talk to me long enough to give me alternatives!" The words exploded out. Eva's chest heaved. "You think I wanted to go that far? You think I enjoyed it? I was terrified, Rory. Evan was escalating, you weren't answering calls, and every supernatural contact I had said the only way to track you was blood magic. Your blood or mine, and I sure as hell wasn't going to ask you for yours while you were running from a man who'd already put you in hospital once." The flat
seemed to
tilt. Rory gripped the back of the sofa. "What?" "The wards weren't for me, you absolute muppet. They were for you. To know if you were alive. If you needed help. If that bastard had found you." Eva's eyes were wet now, reflecting the dim light from the window. "And you called me obsessed. Told me I was losing myself in darkness. Then vanished." Rory's throat closed. The scar on her wrist burned.
She remembered that night, Eva's
flat looking like a crime scene, symbols everywhere, her friend pale and shaking and muttering about coordinates and binding spells. She'd smelled copper. Seen the bandages on Eva's arms. She'd assumed the worst. "I didn't know," Rory whispered. "You didn't ask." "You were covered in blood." "So were you when you showed up here the first time. I didn't run away." Eva's voice cracked again. "I bought plasters and made tea and told you my door was always open. Even when you wouldn't tell me details. Even when you flinched at loud noises for three months. I didn't ask for the whole story, Rory. I just asked you to trust me." The envelope in Rory's hand felt heavier.
She looked at it, at
Eva's cramped flat, at Ptolemy judging her from his throne of ergonomic support. "I'm sorry" felt insufficient, but she said it anyway. "I'm so sorry." "Why are you here?" Eva's face was hard again, shut down. Defence mechanisms sliding into place. "Really." "I got this yesterday. Slipped under my door." Rory held out the envelope. "It's addressed to 'Aurora Malphora.' That's not a name I've used since—" "Since the binding." Eva's fingers twitched toward the envelope, old curiosity warring with fresh wounds. "Let me see it."
She took it carefully, like
it might bite. Drew out the single page inside.
Her lips moved as she
read, grey eyes
scanning
the symbols. Twice. Three times. "Where did you say you got this?" "Someone slipped it under my door. Above Silas' place." "And Silas saw nothing?" "He saw nothing suspicious. But he suggested I talk to Lucien." Eva's head snapped up. "The Frenchman? Are you insane?" "Do you know another information broker who deals with demon script?" "I know several who won't collect your soul as payment. Lucien Moreau is not someone you go to unless you've exhausted every other option, including prayer and lottery tickets." Eva set the letter down like it had grown teeth. "This is a summons." "A what?" "An invitation. Contract offer. Someone wants to meet you at the old Blackfriars Monastery ruins. Tomorrow. Midnight." Eva's voice had gone clinical, the way it did when she
was translating
particularly nasty curses. "There's a secondary clause here. If you don't show, they'll find you anyway. And they'll be less... cordial." Rory's
stomach
dropped. "Who signed it?" "No signature. But the seal..." Eva pulled out her phone, snapped a photo, compared it to something on her laptop. Her face went white. "Oh, bollocks." "What?" "This is a Rite of Summoning seal. Specific one. Used by—" Eva's hands moved across the keyboard, pulling up
scanned
manuscripts, photos of symbols. "Used by contractors from Avaros. The demon realm." The radiator under the window clanged. Ptolemy yawned, showing all his teeth. "Lucien's from Avaros," Rory said
slowly
. "Half from there, yes. Which means either he's behind this, or someone who knows about your connection to him is using it as leverage." Eva closed the laptop with a snap. "Either way, you're in deep trouble." "So I shouldn't have come here." "Oh, you
absolutely
should have come here. Three months ago. Before whoever this is tracked you down." Eva rubbed her face, exhaustion seeping through the anger. "But since you're here now, sit down. I need to make calls." "Eva—" "Sit. Down." The old authority crept into her voice, the same tone she'd used to wrangle their entire study group through finals. "You came here for help. I'm helping. But we're doing this properly, which means protection wards, actual ones, and finding out who wants to meet the woman who supposedly doesn't exist anymore."
created_at
"2026-02-19T03:46:32.014Z"
2/19/2026, 3:46:32 AM
model
"anthropic/claude-4.5-sonnet-20250929"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
1562
moderation_latency
186
generation_time
49819
tokens_prompt
4556
tokens_completion
2421
native_tokens_prompt
4656
native_tokens_completion
2381
native_tokens_completion_images
(null)
native_tokens_reasoning
0
native_tokens_cached
0
num_media_prompt
(null)
num_input_audio_prompt
(null)
num_media_completion
0
num_search_results
(null)
origin
"https://ncbench.com/"
is_byok
false
finish_reason
"stop"
native_finish_reason
"stop"
usage
0.049683
router
(null)
provider_responses
0
endpoint_id
"d8bee848-f020-454a-b2be-4a7ce868f99f"
id
"a888de22-7238-4047-bd3e-92a3f9d3ed38"
is_byok
false
latency
1562
model_permaslug
"anthropic/claude-4.5-sonnet-20250929"
provider_name
"Amazon Bedrock"
status
200
api_type
"completions"
id
"gen-1771472792-xWGBZeMhQdCUa59j91Hr"
upstream_id
"a888de22-7238-4047-bd3e-92a3f9d3ed38"
total_cost
0.049683
cache_discount
(null)
upstream_inference_cost
0
provider_name
"Amazon Bedrock"
Evaluation details
Result
Evaluator
Details
Meta Data
86.36%
Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags
23
adverbTagCount
5
adverbTags
0
"Eva stepped back [back]"
1
"Eva spun around [around]"
2
"Rory gestured helplessly [helplessly]"
3
"Eva's voice cracked again [again]"
4
"Rory said slowly [slowly]"
dialogueSentences
88
tagDensity
0.261
leniency
0.523
rawRatio
0.217
effectiveRatio
0.114
74.13%
AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount
1546
totalAiIsmAdverbs
8
found
0
adverb
"very"
count
3
1
adverb
"completely"
count
1
2
adverb
"helplessly"
count
1
3
adverb
"really"
count
1
4
adverb
"carefully"
count
1
5
adverb
"slowly"
count
1
highlights
0
"very"
1
"completely"
2
"helplessly"
3
"really"
4
"carefully"
5
"slowly"
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)
74.13%
AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount
1546
totalAiIsms
8
found
0
word
"absolutely"
count
2
1
word
"familiar"
count
1
2
word
"weight"
count
1
3
word
"silence"
count
1
4
word
"scanning"
count
1
5
word
"stomach"
count
1
6
word
"scanned"
count
1
highlights
0
"absolutely"
1
"familiar"
2
"weight"
3
"silence"
4
"scanning"
5
"stomach"
6
"scanned"
100.00%
Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches
1
maxInWindow
1
found
0
label
"stomach dropped/sank"
count
1
highlights
0
"stomach dropped"
100.00%
Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells
0
narrationSentences
89
matches
(empty)
100.00%
Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount
0
hedgeCount
1
narrationSentences
89
filterMatches
(empty)
hedgeMatches
0
"seemed to"
100.00%
Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences
150
gibberishSentences
0
adjustedGibberishSentences
0
longSentenceCount
0
runOnParagraphCount
0
giantParagraphCount
0
wordSaladCount
0
repetitionLoopCount
0
controlTokenCount
0
maxSentenceWordsSeen
70
ratio
0
matches
(empty)
100.00%
Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans
0
markdownWords
0
totalWords
1544
ratio
0
matches
(empty)
100.00%
Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions
18
unquotedAttributions
0
matches
(empty)
0.00%
Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions
60
wordCount
702
uniqueNames
10
maxNameDensity
3.99
worstName
"Eva"
maxWindowNameDensity
6
worstWindowName
"Eva"
discoveredNames
Rory
19
Cardiff
3
London
1
Eva
28
Professional
1
Heat
1
Ptolemy
4
Small
1
Dangerous
1
Defence
1
persons
0
"Rory"
1
"Eva"
2
"Heat"
3
"Ptolemy"
places
0
"Cardiff"
1
"London"
globalScore
0
windowScore
0
100.00%
Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences
52
glossingSentenceCount
0
matches
(empty)
100.00%
"Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches
0
per1kWords
0
wordCount
1544
matches
(empty)
100.00%
Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount
3
totalSentences
150
matches
0
"developed that tell"
1
"itched, that crescent"
2
"remembered that night"
100.00%
Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs
75
mean
20.59
std
19.62
cv
0.953
sampleLengths
0
17
1
1
2
1
3
8
4
10
5
48
6
28
7
54
8
34
9
2
10
2
11
3
12
32
13
18
14
33
15
3
16
4
17
13
18
3
19
18
20
5
21
35
22
16
23
3
24
20
25
5
26
4
27
66
28
22
29
41
30
2
31
15
32
58
33
20
34
4
35
35
36
23
37
12
38
2
39
27
40
11
41
6
42
95
43
13
44
55
45
43
46
4
47
5
48
3
49
5
100.00%
Passive voice overuse
Target: ≤2% passive sentences
passiveCount
0
totalSentences
89
matches
(empty)
100.00%
Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount
1
totalVerbs
131
matches
0
"was translating"
100.00%
Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount
0
semicolonCount
0
flaggedSentences
0
totalSentences
150
ratio
0
matches
(empty)
100.00%
Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount
704
adjectiveStacks
0
stackExamples
(empty)
adverbCount
26
adverbRatio
0.036931818181818184
lyAdverbCount
6
lyAdverbRatio
0.008522727272727272
100.00%
Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences
150
echoCount
0
echoWords
(empty)
100.00%
Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences
150
mean
10.29
std
10.38
cv
1.009
sampleLengths
0
8
1
9
2
1
3
1
4
8
5
9
6
1
7
7
8
10
9
31
10
5
11
23
12
3
13
5
14
14
15
11
16
21
17
12
18
17
19
5
20
2
21
2
22
3
23
3
24
9
25
13
26
7
27
8
28
1
29
9
30
8
31
4
32
15
33
6
34
3
35
4
36
13
37
3
38
8
39
8
40
2
41
5
42
8
43
27
44
5
45
11
46
3
47
20
48
5
49
4
70.22%
Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats
3
diversityRatio
0.43333333333333335
totalSentences
150
uniqueOpeners
65
0.00%
Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount
0
totalSentences
82
matches
(empty)
ratio
0
100.00%
Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount
15
totalSentences
82
matches
0
"She moved to close the"
1
"She'd developed that tell at"
2
"She wore an oversized Cardiff"
3
"She used to smile at"
4
"She turned away, bracing both"
5
"Her spine curved like a"
6
"She rubbed it absently."
7
"She'd rehearsed this conversation a"
8
"She remembered that night, Eva's"
9
"She'd smelled copper."
10
"She'd assumed the worst."
11
"She looked at it, at"
12
"She took it carefully, like"
13
"Her lips moved as she"
14
"Her face went white."
ratio
0.183
0.00%
Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount
77
totalSentences
82
matches
0
"The three deadbolts clicked open"
1
"Eva's face appeared in the"
2
"She moved to close the"
3
"Rory's hand shot out, palm"
4
"The word hung between them"
5
"Eva's jaw tightened, that familiar"
6
"She'd developed that tell at"
7
"Eva stepped back"
8
"The curry house below them"
9
"Rory slipped inside."
10
"Books everywhere, same as always."
11
"Scrolls pinned to the walls"
12
"A laptop balanced on a"
13
"Ptolemy, Eva's massive tabby, lifted"
14
"Eva crossed her arms, leaning"
15
"She wore an oversized Cardiff"
16
"The sleeves swallowed her hands."
17
"Eva didn't smile."
18
"She used to smile at"
19
"Rory had collected those laughs"
ratio
0.939
0.00%
Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount
0
totalSentences
82
matches
(empty)
ratio
0
98.21%
Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences
16
technicalSentenceCount
1
matches
0
"None of those versions had included Eva's voice breaking or the way she kept tugging at her sleeves."
100.00%
Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags
23
uselessAdditionCount
1
matches
0
"Eva rubbed, exhaustion seeping through the anger"
100.00%
Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags
3
fancyCount
1
fancyTags
0
"Rory whispered (whisper)"
dialogueSentences
88
tagDensity
0.034
leniency
0.068
rawRatio
0.333
effectiveRatio
0.023
83.4351%