NC Bench
Overview
About
Tests
Categories
Models
Vendors
Compare
Run: 2026-03-18-01KM09ZK7KPGY4P9P7BBFFHQQ5
Run Details
Model:
GPT-5.4 Nano
Test:
Dialogue tags
Scenario:
Write unattributed dialogue
Duration:
1.9s
Cost:
$0.000387
Provider:
OpenAI
Evaluation summary
Score
Evaluator
Details Link
100.00%
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 above the bakery door gave a tired little jingle as the afternoon light slipped across the flour-dusted counter. A tray of cinnamon rolls steamed behind the glass, and the air smelled like sugar trying its best. “Tell me you didn’t touch the recipe card again.” “It was under a magnet. I found it by accident.” “Accident my foot. That card doesn’t move unless someone’s looking.” “I’m not ‘someone.’ I’m a person with excellent pastry instincts.” “Your instincts led straight to the till drawer.” “That drawer was open.” “After you came in? Convenient.” “I came in for honey buns. Not for drama.” “Then why is the jar labeled ‘vanilla’ filled with ginger?” A pause—just the soft hiss of the espresso machine and a spoon tapping ceramic. “Maybe the wholesaler switched labels.” “Mmm. The wholesaler doesn’t come here and swap spices, but whoever did knows exactly where we keep things.” The voice softened, careful as a proofing dough. “Did you see anyone near the back?” “No… but I did hear the thud. Like a box dropped.” “Not a box.” A hand rested on the counter, steadying. “A key. Someone dropped a key.” “And now you want to catch them before the custard sets?” “Exactly.” The bell jangled again, and both of them looked toward the door, listening for footsteps that didn’t belong.
created_at
"2026-03-18T11:06:05.95Z"
3/18/2026, 11:06:05 AM
model
"openai/gpt-5.4-nano-20260317"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
473
moderation_latency
(null)
generation_time
1740
tokens_prompt
81
tokens_completion
387
native_tokens_prompt
67
native_tokens_completion
299
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
0.00038715
router
(null)
provider_responses
0
endpoint_id
"0c835f2e-c18d-4e8c-b245-e1e3bd08b97f"
id
"resp_048186320ee824c00169ba871e04f081938e086cc9316b4799"
is_byok
false
latency
207
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-1773831965-wHwIHUxFkHoGQvcKGGZM"
upstream_id
"resp_048186320ee824c00169ba871e04f081938e086cc9316b4799"
total_cost
0.00038715
cache_discount
(null)
upstream_inference_cost
0
provider_name
"OpenAI"
Evaluation details
Result
Evaluator
Details
Meta Data
100.00%
Count dialogue tags
n/a
neededClean
false
dialogueTags
(empty)