NC Bench
Overview
About
Tests
Models
Model
Claude Opus 4.5
Test
Dialogue tags
Scenario
Write 500 words with 70% dialogue
Run ID
2026-02-08-01KGYZ8032NEXXPE0KHJD9W0S8
Model input
User/Human
You are a author of comedic heist books. Please write a 500 word scene that has 70% words of dialogue between two thieves named Molly and Bill who are planning to break into a children's party to steal all the presents. Only include the prose of the scene without any markdown or commentary.
Model response
Messages
Meta
AI
Molly spread the crayon-drawn map across the sticky diner table and tapped her finger on a wobbly circle labeled PREZENTS. "This is it, Bill. The Henderson kid's seventh birthday party. Saturday at two. We're looking at approximately thirty gifts, conservatively wrapped, moderate to heavy tape usage." Bill squinted at the map. "Did you draw this yourself?" "I liberated it from the family refrigerator during reconnaissance. The kid's got potential. Notice how he marked the bounce house as a potential obstacle." "That's a dinosaur, Molly." "It's a bounce house shaped like a dinosaur. Focus, Bill. Now, what do we know about the security situation?" Bill pulled out a grease-stained notebook. "One father on grill duty, which means he'll be distracted by hamburger logistics for at least forty minutes. Mother's running point on cake distribution. There's a grandmother, but my sources say she naps between two-thirty and four." "What sources?" "The grandmother. I asked her directly. Lovely woman. She thinks I'm auditing her water meter." Molly nodded appreciatively. "Good initiative. What about the target demographic?" "Fifteen to twenty children, ages six to eight. Hopped up on sugar, low attention spans, zero threat assessment capabilities." "Never underestimate a sugar-fueled seven-year-old, Bill. I once saw one take down a mall Santa." "Was that you?" "I was nine, and he had it coming. Now, entry points. I'm thinking we go in through the side gate disguised as entertainment." Bill's face brightened. "I've still got that clown costume from the Pemberton job." "Absolutely not. We agreed never to speak of the Pemberton job. Besides, you terrified those children." "My balloon animals were structurally sound!" "You made a balloon guillotine, Bill." "It was historically accurate!" Molly rubbed her temples. "We're going as magicians. I've got two capes and a top hat that collapses for easy concealment of stolen goods." "Can I have a wand?" "You can have a wand." "Can it shoot confetti?" "It can shoot whatever you want as long as you stay focused on the extraction. We load the presents into the magic box, wheel it out to the van, and we're gone before they cut the cake." Bill studied the map again. "What's our exit strategy if things go sideways?" "Balloon release. I've arranged for two hundred helium balloons to deploy from the bounce house dinosaur at exactly three-fifteen. In the chaos, we vanish." "That's beautiful, Molly." "I know. Now, most important question. What's our moral justification for stealing birthday presents from a seven-year-old?" Bill didn't hesitate. "The Henderson kid pushed my nephew off the swings last month. Exposed kneecap. Six stitches." "Perfect. I can sleep soundly." Molly rolled up the map. "Saturday at two. Don't be late, don't wear the clown costume, and for the love of all that's holy, no balloon guillotines." "You're no fun anymore." "I'm plenty of fun. I'm just professionally fun."
created_at
"2026-02-08T15:52:28.606957+00:00"
Sunday, February 8th, 2026 at 3:52:28 PM GMT+00:00
model
"anthropic/claude-4.5-opus-20251124"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
1685
moderation_latency
(null)
generation_time
20987
tokens_prompt
61
tokens_completion
661
native_tokens_prompt
75
native_tokens_completion
760
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
0.019375
router
(null)
provider_responses
0
id
"msg_01Q151G6DxcWJkwgPpqvvMYV"
status
200
is_byok
false
latency
1682
endpoint_id
"be883404-eb42-4b2d-b6e4-c7daa3aa8d62"
provider_name
"Anthropic"
model_permaslug
"anthropic/claude-4.5-opus-20251124"
api_type
"completions"
id
"gen-1770565927-T7FNsvGpHMUSB58XzkPj"
upstream_id
"msg_01Q151G6DxcWJkwgPpqvvMYV"
total_cost
0.019375
cache_discount
(null)
upstream_inference_cost
0
provider_name
"Anthropic"
Evaluation details
Result
Evaluator
Details
Meta Data
27.1658%
Matches word count
n/a
neededClean
false
words
481
0.0000%
Dialogue to Total Word Ratio
Ratio: 88.36%, Deviation: 18.36%
neededClean
false
wordsTotal
481
wordsDialogue
425
13.5829%