NC Bench
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Run: 2026-02-16-01KHK9SJ39PJJQBT67M5ZA21NV
Run Details
Model:
GPT-5 Nano
Test:
Dialogue tags
Scenario:
Write 500 words with 30% dialogue
Duration:
30.8s
Cost:
$0.001101
Provider:
OpenAI
Model input
User/Human
You are a author of comedic heist books. Please write a 500 word scene that has 30% 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
Evening settled over Maple Street like a lid on a treasure chest. Molly and Bill crouched behind a row of carnival crates, the scent of popcorn and glitter in the air. The community center’s gym glowed with string lights, balloons wobbling like patient pigeons. A loudspeaker crackled with a party playlist that sounded suspiciously like a schedule of opportunities. Molly tittered, and Bill checked the route on a crumpled map drawn by a kid who had sketched a treasure map to a lemonade stand last summer. The door to the kitchen hissed open and shut, a rhythmic sigh that meant the staff were busy with frosting and flavoring. They watched a wall clock tick with the solemnity of a chess master counting moves. Molly spoke softly, the way someone does when they’re about to tell a joke that could land like a cream pie. Molly: We slip in through the kitchen door, while the cake stays in the hall. Bill: The cake stays in the hall, right. And the frosting hides our fingerprints. Molly: Exactly. We look for the gift room, not the glitter room. Bill: The glitter room is where the sequins go to whisper. Molly: Focus. The plan is simple and ridiculous, which is our specialty. Bill: Simple and ridiculous sounds about right for a holiday heist. They inched toward a service corridor where a mop bucket sang against the tile. The air tasted faintly of vanilla and bad decisions. Molly’s eyes gleamed with mischief and an impish confidence she reserved for plan B when plan A had a break. Molly: Once we’re inside, we grab bags, not brawls. Hydrated villains are happy villains. Bill: Bags are good. I’ve got a shoulder strap that can double as a parachute for a stuffed bear. Molly: Stop flirting with your equipment and listen. The presents aren’t just stacked; they’re alphabetized by kid, by year, by the emotional receipt attached to each toy. Bill: That’s… actually horrifying and adorable. Molly: I will explain the ritual. We move like theatre critics at a clearance sale. Quiet, discerning, quietly sweeping up the drama. Bill: And if a kid comes in crying? Molly: We smile, offer them a balloon, and say we’re only rehearsing for a miracle. The hall grew louder—voices of party-goers, the clatter of plastic cups, the squeal of a foam sword. A karaoke machine wheezed into a power cord, and the glow of a birthday cake warmed their faces like a small victory. Bill checked the imaginary clock on his fingers. Then he lowered his voice, which was rarely lowered unless he was hiding something behind it. Bill: Once the doors open, we move like synchronized swimmers, but with more glitter and less drowning. Molly: We’ll drift through the hall, grab the top layer of gifts, signal the decoy team outside, and vanish into the night with a trail of ribbon and confetti. Bill: And if someone catches us? Molly: We pretend we’re part of the magic. We’re the bad kisses on a fairy tale, Bill. We’ll charm them back with a chorus of “Happy Birthday” and a distraction involving a pinata that won’t break. A group of children bounced by, their shoes squeaking, their laughter a chorus that insisted on chaos. Molly tucked a stray curl behind her ear. Molly: It’s almost go time. We smile, we nod, we pretend we know what we’re doing, and we do what we came for. Bill: The party guardians won’t see us in the glow of streamers. We’ll be memory and rainstorm at once. Molly: Ready? Bill: Ready. They rose as one, a pair of ridiculous, committed burglars who believed in the nap of destiny and the comedy of misdirection. The hall’s brightness swelled around them, and for a moment the scheme felt less like a crime and more like a perfectly rehearsed prank—one that would be talked about, in whispers, at school bake sales for years to come. Then they stepped into the glow, and the night began to laugh with them.
created_at
"2026-02-16T13:21:48.30224+00:00"
2/16/2026, 1:21:48 PM
model
"openai/gpt-5-nano-2025-08-07"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
6676
moderation_latency
(null)
generation_time
30602
tokens_prompt
77
tokens_completion
1708
native_tokens_prompt
66
native_tokens_completion
2744
native_tokens_completion_images
0
native_tokens_reasoning
1856
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
"completed"
usage
0.0011009
router
(null)
provider_responses
0
id
"resp_01f780f35bc482fa01699319ccfc0c8195a1c6281dd5bd1da1"
status
200
is_byok
false
latency
124
endpoint_id
"50329d77-04e1-4979-a184-c33030289476"
provider_name
"OpenAI"
model_permaslug
"openai/gpt-5-nano-2025-08-07"
api_type
"completions"
id
"gen-1771248076-ygS0m9aqU9LdrtHAEXBG"
upstream_id
"resp_01f780f35bc482fa01699319ccfc0c8195a1c6281dd5bd1da1"
total_cost
0.0011009
cache_discount
(null)
upstream_inference_cost
0
provider_name
"OpenAI"
Evaluation details
Result
Evaluator
Details
Meta Data
0.0000%
Matches word count
n/a
neededClean
false
words
673
0.0000%
Dialogue to Total Word Ratio
Ratio: 0.30%, Deviation: 29.70%
neededClean
false
wordsTotal
673
wordsDialogue
2
0.0000%