Run: 2026-03-18-01KM07HZ62WECFYMEKEBC88V87

Run Details

Duration:
6.2s
Cost:
$0.001707
Provider:
OpenAI

Evaluation summary

Score Evaluator
Details Link
0.00% Matches word count (details)
0.01% Dialogue to Total Word Ratio (details)
0.0050% Overall

Model input

User/Human
You are a author of comedic heist books. Please write a 500 word scene that has 50% 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

AI
Molly adjusted the strap on her tiny duffel bag and leaned over the fence. “Okay, Bill, remember the plan: we sneak in, we don’t step on the squeaky rake, and we only take the presents.” Bill crouched beside her, listening to the muffled sound of party music like it was an incoming weather system. “I can do ‘don’t step on the squeaky rake.’ That rake is basically trained to alert security. It squeaks like it has a union.” Molly squinted at the backyard through a gap in the hedge. “Do you see the inflatable slide? Because I swear last year it tried to eat someone.” “It did eat someone,” Bill said. “Metaphorically. The kid fell in, and their uncle pretended it was a feature. Like, ‘Oh look, it’s a slide with character-building adventures.’” Molly pulled a small roll of duct tape from her pocket. “We’re not here for character-building. We’re here for loot. Candy, toys, action figures—” “—and the suspiciously heavy box,” Bill finished, holding up his gadget. “The one that reeks of abundance and holiday ambition.” Molly smirked. “You always smell the good stuff.” Bill pressed his ear to the gate. “Listen. I hear tiny feet running. That means we’ve got about thirty seconds before someone asks, ‘Why is there a man in a black hoodie?’” Molly whispered, “We’re not men. We’re ghosts.” Bill whispered back, “Ghosts don’t have reflective shoes, Molly.” Molly stared at his footwear. “Those are not reflective.” Bill pointed to the silver stripe on his sneakers. “These are reflective. They’re practically solar-powered. If the sun looks at me funny, I’m done.” Molly sighed. “Fine. We’ll swap shoes.” “We don’t have time for a shoeshare,” Bill said. “The universe is actively sending birthday alarms.” Molly slapped a pair of soft black covers over his shoes. “There. Now you’re stealth.” Bill wiggled his toes. “I feel like I’m wearing socks to rob a bank.” “Exactly,” Molly said. “Now, hold this.” She handed him a balloon animal kit. Bill blinked. “Why are we carrying a balloon animal kit?” Molly grinned. “Because we’ll blend in. I’m making a giraffe. You’re making a dog.” Bill looked horrified. “I can barely make a straight line.” “Then you’ll make a twisted line,” Molly said. “People love character. It’s like the inflatable slide incident.” Bill swallowed. “What if they ask for a specific animal?” Molly leaned closer. “Then you improvise. You’re a professional thief. Professional thieves improvise wildly.” Bill cleared his throat like it could hide his panic. “I am not improvising wildly. I am improvising politely.” Molly began unspooling a thin wire from her pocket. “Polite improvisation. Got it. Now, I cut the latch, you look for the presents, and we high-tail it before someone yells, ‘It’s time for cake!’” Bill nodded. “Cake is our enemy.” “Cake is always the enemy,” Molly said. “Chocolate frosting is basically sticky handcuffs.” Bill raised his flashlight. “Speaking of sticky, I’m seeing… is that a security camera or a novelty birdbath?” Molly peered. “That is a security camera shaped like a birdbath. Whoever designed this party needs to be arrested for creativity.” Bill whispered, “Creativity is evidence.” Molly tapped his shoulder. “Less talking, more burglar.” Bill whispered, “I’m always less talking.” Molly snipped the latch cleanly. “On three?” Bill breathed, “On two. My nerves demand efficiency.” “On three,” Molly corrected. Bill counted under his breath. “One… two… three.” Molly pushed the gate, and it creaked like it was trying to join the party. Somewhere inside, a child laughed. Molly hissed, “Don’t squeak back at it!” Bill held up a finger to his lips. “I’m not squeaking. I’m being silent. Like a ninja—” “—with a reflector,” Molly said. Bill lowered his flashlight. “Fine. Like a ninja who got dressed by a safety committee.” Molly swung the gate wider. “Come on. Toys first. The big box second. And if anyone asks who we are—” Bill interrupted, “We’re balloon artists.” Molly paused, dead serious. “No. We’re the balloon artists who got confused and accidentally arrived early. Like, ‘Whoops, looks like we’re here before the party starts!’” Bill nodded slowly. “That’s perfect. Nothing says ‘not suspicious’ like appearing before the party with balloons.” Molly patted his shoulder. “You can do it. You’re good with kids.” Bill looked at the yard where the play area waited like a sugar trap. “I’m good with kids from a distance. Like, from behind a hedge.” Molly ducked under the fence. “Then stay behind the hedge while I do the brave part.” Bill followed, whispering, “The brave part being stealing presents from children’s parents who are probably humming along to music like it’s a lullaby to their credit score?” Molly smiled. “The brave part being outsmarting a man who thinks a glitter cannon is a ‘low-risk activity.’” Bill swallowed. “I hate glitter.” Molly reached for the gift table. “That’s the spirit. Now, quiet.” They moved together, Molly scanning for bows and Bill watching for adults. At the far end, a woman’s voice rose, bright and unsuspecting. “Oh! Are you guys the balloon people?” Molly froze, then waved with practiced cheer. “Yes! We’re—uh—early.” Bill leaned in, whispering, “Early is good?” Molly whispered, “Early is better than late.” The woman laughed. “Well, that’s fine! The kids will love it. Come on, there’s space by the cake.” Bill stared at Molly. “Molly. Cake.” Molly tightened her grip on the duct tape. “We can’t steal cake. We can steal what cake is guarding.” Bill breathed, “Which is…?” Molly aimed her flashlight at the largest gift box, wrapped in cheerful paper and optimism. “Everything.”
created_at"2026-03-18T10:23:42.286Z" 3/18/2026, 10:23:42 AM
model"openai/gpt-5.4-nano-20260317"
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latency435
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tokens_prompt77
tokens_completion1654
native_tokens_prompt66
native_tokens_completion1355
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native_tokens_reasoning0
native_tokens_cached0
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num_media_completion0
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origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
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provider_name"OpenAI"
status200
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Evaluation details

Result Evaluator Details Meta Data
0.00% Matches word count n/a
neededCleanfalse
words924
0.01% Dialogue to Total Word Ratio
Ratio: 63.58%, Deviation: 13.58%
neededCleanfalse
wordsTotal928
wordsDialogue590
0.0050%