NC Bench
Overview
About
Tests
Categories
Models
Vendors
Compare
Run: 2026-09-23-01M36P1ZRJYJ7RY02MFK11SZM0
Run Details
Model:
GPT-6 Luna (Reasoning, Medium)
Test:
Dialogue tags
Scenario:
Write unattributed dialogue
Duration:
10.0s
Cost:
$0.000280
Provider:
OpenAI
Evaluation summary
Score
Evaluator
Details Link
60.65%
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 sleepy jingle as rain swept Main Street. Warm cinnamon and fresh bread filled the narrow shop, but beneath them lingered the sharp scent of wet wool. “Someone’s been in the pantry.” A streak of flour crossed the checkerboard floor, ending at the open back door. Beside it lay a single black button. “Mr. Bell wears a coat with those.” “Half the town wears black coats. And Mr. Bell was here before dawn, asking whether I’d seen his missing ledger.” The baker lifted a tray of honey buns from the oven. Their golden tops gleamed, though her eyes stayed fixed on the button. “Why would a ledger be in your pantry?” “Because he left it here yesterday. He said the mayor’s pie contest accounts didn’t add up.” A gust rattled the front windows. Across the street, the mayor hurried past beneath a red umbrella, clutching a paper parcel to his chest. “Is that the ledger?” “Could be. But he’s carrying it like it might bite.” The baker set down the tray. A dusting of flour clung to her sleeve. “Then we’d better offer him a bun.” “And ask about the button?” “After he’s had a bite. People confess more readily with honey on their fingers.” The bell jingled again. The mayor stepped inside, smiling too brightly. “Fresh from the oven?”
he asked
. “Fresh enough,” came the reply. “Though I’d be careful with the filling.”
created_at
"2026-09-23T08:28:01.178Z"
9/23/2026, 8:28:01 AM
model
"openai/gpt-6-luna-20260922"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
5417
moderation_latency
(null)
generation_time
9990
tokens_prompt
78
tokens_completion
491
native_tokens_prompt
67
native_tokens_completion
547
native_tokens_completion_images
0
native_tokens_reasoning
230
native_tokens_cached
0
num_media_prompt
(null)
num_input_audio_prompt
(null)
num_media_completion
0
num_search_results
(null)
num_fetches
(null)
web_search_engine
(null)
origin
"https://ncbench.com/"
is_byok
false
finish_reason
"stop"
native_finish_reason
"completed"
service_tier
"default"
usage
0.0002802
router
(null)
user_agent
"langchainjs-openai/1.0.0 ((node/v24.20.0; linux; x64))"
http_referer
(null)
request_id
"req-1790152081-KLOWjMI5YGdSCKewP6vE"
session_id
(null)
preset_id
(null)
api_type
"completions"
id
"gen-1790152081-MK48pk3Bpplys16qrdXE"
upstream_id
"resp_08256ec9cb179ed9016ab38d91646087d19f766aba693de81f"
provider_responses
0
endpoint_id
"05e94e02-b9c2-4bbb-ba55-4082ee9ad687"
id
"resp_08256ec9cb179ed9016ab38d91646087d19f766aba693de81f"
is_byok
false
latency
1145
model_permaslug
"openai/gpt-6-luna-20260922"
provider_name
"OpenAI"
status
200
total_cost
0.0002802
cache_discount
(null)
upstream_inference_cost
0
provider_name
"OpenAI"
response_cache_source_id
(null)
data_region
"global"
workspace_id
"97e315e5-d303-487d-83c1-83180e8a13d4"
Evaluation details
Result
Evaluator
Details
Meta Data
60.65%
Count dialogue tags
n/a
neededClean
false
dialogueTags
0
"he asked"