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Run: 2026-03-18-01KM088DHD39HM5Z0YW7NPYTV7
Run Details
Model:
GPT-5.4 Nano (Reasoning, Low)
Test:
Dialogue tags
Scenario:
Write unattributed dialogue
Duration:
2.5s
Cost:
$0.000388
Provider:
OpenAI
Evaluation summary
Score
Evaluator
Details Link
0.03%
Count dialogue tags
(details)
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
The bell over the bakery door chimed softly, then was swallowed by the warm hush of cinnamon and vanilla. Flour dusted the counter like fresh snow, and the display case glowed with honey buns and lemon tarts. “Look at you, breathing like a villain,”
Mara said
, tapping the edge of the napkin dispenser with a knuckle. “Who’s in trouble today?” Eli slid a tray of cooling scones toward the window. His smile didn’t reach his eyes. “No one. Except… maybe the cookies.” Mara leaned in, lowering her voice. “The cookies don’t commit crimes.” “They did,”
Eli said
. “Last night someone swapped the jar labels. I only noticed because the gingerbread smelled like peppermints, and the peppermint jar smelled like—” He swallowed. “Like bleach.” Mara’s gaze sharpened. “Bleach?” “Not enough to clean anything,”
he muttered
. “Just enough to make everyone’s teeth feel weird at the taste test.” From the oven, a timer clicked off with a cheerful beep. Mara reached under the counter and produced a small paper bag. “Then we’ll test the rest. No one hurts a recipe on my watch.” Eli looked relieved. “You’ll help me figure out who did it?” “Of course,”
Mara said
, already breaking off a corner of evidence. “In this town, everyone gets their comeuppance—preferably in crumbs.”
created_at
"2026-03-18T10:35:57.883Z"
3/18/2026, 10:35:57 AM
model
"openai/gpt-5.4-nano-20260317"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
1071
moderation_latency
(null)
generation_time
2062
tokens_prompt
81
tokens_completion
360
native_tokens_prompt
67
native_tokens_completion
300
native_tokens_completion_images
0
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
"completed"
usage
0.0003884
router
(null)
provider_responses
0
endpoint_id
"0c835f2e-c18d-4e8c-b245-e1e3bd08b97f"
id
"resp_0cf85217f1eada2b0169ba800deef88190bf0416b79ef976c9"
is_byok
false
latency
168
model_permaslug
"openai/gpt-5.4-nano-20260317"
provider_name
"OpenAI"
status
200
user_agent
"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer
(null)
api_type
"completions"
id
"gen-1773830157-zLBTESMfdUurAS7I6lfS"
upstream_id
"resp_0cf85217f1eada2b0169ba800deef88190bf0416b79ef976c9"
total_cost
0.0003884
cache_discount
(null)
upstream_inference_cost
0
provider_name
"OpenAI"
Evaluation details
Result
Evaluator
Details
Meta Data
0.03%
Count dialogue tags
n/a
neededClean
false
dialogueTags
0
"Mara said"
1
"Eli said"
2
"he muttered"
3
"Mara said"