NC Bench
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Run: 2026-02-20-01KHY7QEEA0HH6WCKBJY2ZYP4H
Run Details
Model:
Grok 4 Fast
Test:
Dialogue tags
Scenario:
Write unattributed dialogue
Duration:
3.1s
Cost:
$0.000302
Provider:
xAI
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 tinkled softly as morning light filtered through lace curtains, casting warm patterns on the wooden counter. The air hummed with the scent of cinnamon and rising dough, a comforting embrace in Willow Creek's heart. "Emma, you won't believe what I heard at the market yesterday." A flour-dusted apron rustled as hands paused over a tray of golden loaves. "Try me, Clara. With this town, it's always something." "Well, old Mr. Hargrove's antique pocket watch vanished from his mantel. Right under his nose during bridge club! He swears the door was locked, but poof—gone." A soft chuckle echoed from the oven's glow. "Sounds like that nosy cat of his finally made off with more than a mouse. Or was it young Tommy sneaking in for cookies again?" "Could be. But Hargrove's fit to be tied, talking about hiring a detective from the city. As if we need outsiders poking around our secrets." The tray clattered lightly onto the cooling rack. "Let him stew. I'll bake him a pie to soothe the nerves. Mysteries solve themselves here—usually over coffee and gossip." Laughter bubbled up, mingling with the sizzle of butter in a pan. Outside, Willow Creek stirred awake, oblivious to the whispers within.
created_at
"2026-02-20T19:16:49.235Z"
2/20/2026, 7:16:49 PM
model
"x-ai/grok-4-fast"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
1647
moderation_latency
(null)
generation_time
2936
tokens_prompt
81
tokens_completion
320
native_tokens_prompt
217
native_tokens_completion
564
native_tokens_completion_images
0
native_tokens_reasoning
297
native_tokens_cached
155
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
0.00030215
router
(null)
provider_responses
0
endpoint_id
"c9586d9d-97ff-40ca-ae94-22504d6f9b7e"
id
"f921b41e-b3c7-1e9f-d95d-04eba1967dd7"
is_byok
false
latency
93
model_permaslug
"x-ai/grok-4-fast"
provider_name
"xAI"
status
200
api_type
"completions"
id
"gen-1771615009-rPJY2B4M5i5QTUkb7Noa"
upstream_id
"f921b41e-b3c7-1e9f-d95d-04eba1967dd7"
total_cost
0.00030215
cache_discount
0.00002325
upstream_inference_cost
0
provider_name
"xAI"
Evaluation details
Result
Evaluator
Details
Meta Data
100.00%
Count dialogue tags
n/a
neededClean
false
dialogueTags
(empty)