NC Bench
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Run: 2026-02-16-01KHK9BP16905EFGJ744Q9Z5KX
Run Details
Model:
GPT-5 Nano
Test:
Dialogue tags
Scenario:
Write unattributed dialogue
Duration:
40.2s
Cost:
$0.001664
Provider:
OpenAI
Model input
User/Human
You are an expert novel writer in the cozy mystery genre. Write a scene of about 200 words, with dialogue between two characters. The dialogue should be unattributed, meaning the speaker is not explicitly mentioned. The scene should be set in a small town bakery. Only return the story, nothing else.
Model response
Messages
Meta
AI
[In a small-town bakery, morning light pools on a glass case. The mixer murmurs like a distant storm; flour drifts in sunbeams. A bell tinkles as a few early patrons drift in and out, leaving behind a trail of sugar and secrets.] "Did you hear the latest rumor, or are you just smelling the lemon bars again?" "Neither—I'm listening to the till drawer sigh when the apron brushes by." "Found something odd behind the flour sack: a brass key and a torn corner of a recipe card." "That key belongs to the back cabinet where the old reserve tins sleep." "And the card hints at something buried in the garden behind the shop." "Or it's a trap, planted to send us chasing shadows." "If it's a trap, it's a delicious one." "Then maybe the trap is meant for the mayor's sister-in-law." "We can't let the bakery become a crime scene, not on my watch." "We won't, but we should follow the breadcrumb trail wherever it leads." "Fine, but you fetch the flashlight; I refuse to bake in the dark." "Deal—the croissants glow like tiny moons; we can think in the glow." "Just mind the sugar; a single grain can spill an entire alibi." "Shh—the back door." [Footsteps retreat; the oven sighs again, and the two return to their oven-to-pan, listening.]
created_at
"2026-02-16T13:14:23.148239+00:00"
2/16/2026, 1:14:23 PM
model
"openai/gpt-5-nano-2025-08-07"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
2190
moderation_latency
(null)
generation_time
39892
tokens_prompt
81
tokens_completion
1379
native_tokens_prompt
67
native_tokens_completion
4152
native_tokens_completion_images
0
native_tokens_reasoning
3840
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
0.00166415
router
(null)
provider_responses
0
id
"resp_0191241842fb46bb016993180646108195a25316fa7898040b"
status
200
is_byok
false
latency
123
endpoint_id
"50329d77-04e1-4979-a184-c33030289476"
provider_name
"OpenAI"
model_permaslug
"openai/gpt-5-nano-2025-08-07"
api_type
"completions"
id
"gen-1771247622-FxNExWQamK8mFu0M8yor"
upstream_id
"resp_0191241842fb46bb016993180646108195a25316fa7898040b"
total_cost
0.00166415
cache_discount
(null)
upstream_inference_cost
0
provider_name
"OpenAI"
Evaluation details
Result
Evaluator
Details
Meta Data
100.0000%
Count dialogue tags
n/a
neededClean
false
dialogueTags
(empty)