NC Bench
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Run: 2026-02-16-01KHKAWKHPMKSDFB3ECRGNK66D
Run Details
Model:
GPT-5 Nano
Test:
Dialogue tags
Scenario:
Write 500 words with 30% dialogue
Duration:
58.5s
Cost:
$0.002860
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
The room smelled of burnt popcorn and old fear, a place where mischief had a loud heart and a smaller conscience. On the coffee table lay a napkin with a crudely drawn blueprint of the community center, arrows scribbled in bright marker and a doodle of a stocking labeled untied. A bottle of cheap sparkling cider fizzed in the corner, a trophy from Molly's last client, who turned out to be the mayor's dog-walker. The plan, as they had decided in their own newsletter of ridiculous destiny, lived in a balance between genius and chaos. Molly sat cross-legged on the couch, cheeks flushed with that wicked-light enthusiasm she wore when schemes looked shiny and edible. Bill lounged in an armchair with one sneaker off, a look that said his mind was already margarine-softening the edges of reality. They traded whispered jokes, the kind of contented muttering that only works when the world is small and forgiving. Molly: "Bill, the plan is elegant, if not exactly legal, which is problematic." Bill: "I prefer spectacularly audacious, with costumes that spark joy and maybe confetti." Molly: "We slip in during the cake singing, and the lights go out just long enough." Bill: "That sounds like a blackout sale at a glitter factory—dangerous, but delicious today." Molly: "We’ll wear party hats, speak in whispers, and leave a trail of squeaky shoes." Bill: "Do we have a decoy breakfast, or are we the decoys with frosting?" Molly: "Decoy breakfast, obviously; frosting disguises our getaway car that is barely licensed." Bill: "And the presents—nobody notices a glittery sock under the table labeled you." Molly: "We return them to the rightful owners via feelings and ransom." Bill: "Or we just pretend to be clumsy elves and misplace everything in the pantry." Molly: "The party starts at three; we must synchronize with the balloon clock." Bill: "Agreed, but if the cake vanishes, no one will suspect sprinkles." The room seems to hold its breath, as if the walls themselves were listening for the sound of their own sworn secrecy. The napkin map catches the light and glints like something both ridiculous and somehow possible. They lean toward one another, elbows knocking softly, sharing the same grin you reserve for a very bad joke that somehow keeps paying off. Outside, a dog barks and a kid yells, not in alarm but as if auditioning for a chorus in some wildly incompetent opera. For Molly and Bill, the moment feels almost ceremonial: a vow to chase glitter and giggles, a permission slip to dream of harmless mischief, and a reminder that sooner or later every great caper ends with a pie in the face and a chorus of "you almost had it."
created_at
"2026-02-16T13:41:24.140091+00:00"
2/16/2026, 1:41:24 PM
model
"openai/gpt-5-nano-2025-08-07"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
6341
moderation_latency
(null)
generation_time
58278
tokens_prompt
77
tokens_completion
1753
native_tokens_prompt
66
native_tokens_completion
7142
native_tokens_completion_images
0
native_tokens_reasoning
6528
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
0.0028601
router
(null)
provider_responses
0
id
"resp_07bde3de0964cc290169931e4966808190bf99fba3661c0d71"
status
200
is_byok
false
latency
159
endpoint_id
"50329d77-04e1-4979-a184-c33030289476"
provider_name
"OpenAI"
model_permaslug
"openai/gpt-5-nano-2025-08-07"
api_type
"completions"
id
"gen-1771249225-IpIc9WVanodrJvyaZjb8"
upstream_id
"resp_07bde3de0964cc290169931e4966808190bf99fba3661c0d71"
total_cost
0.0028601
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
458
40.0238%
Dialogue to Total Word Ratio
Ratio: 34.28%, Deviation: 4.28%
neededClean
false
wordsTotal
458
wordsDialogue
157
20.0119%