NC Bench
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Run: 2026-02-20-01KHY9DRPAG8EEHDA65VHMD6M2
Run Details
Model:
Grok 4 Fast
Test:
Dialogue tags
Scenario:
Write unattributed dialogue
Duration:
5.6s
Cost:
$0.000251
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 door tinkled softly as the morning light filtered through the lace curtains of Willow Creek Bakery. The air was thick with the scent of cinnamon rolls and fresh scones, shelves lined with golden loaves and jars of homemade jam. Behind the counter, flour dusted the wooden surface, and a chalkboard announced the daily special: blueberry muffins. "Another one? That's the third break-in this month. Poor old Mrs. Hargrove must be beside herself." "Shh, not so loud. The whole town's buzzing about it. They say nothing was taken—just the garden gnomes rearranged like some prank." A pause, the clink of a coffee cup on saucer. "Prank? In Willow Creek? Feels more like someone's testing the waters. Remember last summer's fuss with the library books? Pages torn, but no fingerprints." "Sounds like our ghost is back. Or maybe not a ghost. What if it's that new fellow at the mill? Shifty eyes, always asking about folks' routines." Laughter bubbled up, light and skeptical. "You're reading too many of those detective novels. But... pass the cream, would you? And let's keep an eye out. If another gnome goes missing, I'm calling a town meeting." The oven timer dinged, breaking the moment, as steam rose like a whispered secret.
created_at
"2026-02-20T19:46:29.208Z"
2/20/2026, 7:46:29 PM
model
"x-ai/grok-4-fast"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
2574
moderation_latency
(null)
generation_time
5402
tokens_prompt
81
tokens_completion
323
native_tokens_prompt
217
native_tokens_completion
462
native_tokens_completion_images
0
native_tokens_reasoning
189
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
0.00025115
router
(null)
provider_responses
0
endpoint_id
"c9586d9d-97ff-40ca-ae94-22504d6f9b7e"
id
"f402ceca-c20c-44ba-d08a-23a552d72750"
is_byok
false
latency
67
model_permaslug
"x-ai/grok-4-fast"
provider_name
"xAI"
status
200
api_type
"completions"
id
"gen-1771616789-ueF9a4o2U5HH6kLKbi2W"
upstream_id
"f402ceca-c20c-44ba-d08a-23a552d72750"
total_cost
0.00025115
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)