NC Bench
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Run: 2026-02-20-01KHYA6WBFYM6AH2T28KF7XC5E
Run Details
Model:
Grok 4 Fast
Test:
Dialogue tags
Scenario:
Write unattributed dialogue
Duration:
4.9s
Cost:
$0.000248
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, illuminating trays of golden croissants and cinnamon scones. Flour dusted the wooden counter, where a half-eaten apple turnover sat forgotten amid steaming coffee mugs. "Did you hear about old Mr. Hargrove's antique watch? Gone from his nightstand, just like that." A pause, the clink of a spoon against porcelain. "Vanished without a trace? In this town? Everyone leaves their doors unlocked." "Exactly. But get this—tracks in the garden mulch, leading straight to the creek. Like someone was in a hurry to ditch something." The aroma of vanilla swirled as a fresh batch emerged from the oven. "You think it's tied to the festival thefts? Those missing pies from last week's bake-off?" A low chuckle. "Pies are one thing, but a family heirloom? No. My money's on that new fellow at the post office. Shifty eyes, always asking about valuables." Steam rose, curling like secrets. "We'll keep an eye out. Nothing escapes Willow Creek's watchful noses—especially not with a fresh loaf in hand." The conversation drifted to lighter fare, but the puzzle lingered, sweet as the air itself.
created_at
"2026-02-20T20:00:12.157Z"
2/20/2026, 8:00:12 PM
model
"x-ai/grok-4-fast"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
2237
moderation_latency
(null)
generation_time
4334
tokens_prompt
81
tokens_completion
309
native_tokens_prompt
217
native_tokens_completion
455
native_tokens_completion_images
0
native_tokens_reasoning
202
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
0.00024765
router
(null)
provider_responses
0
endpoint_id
"c9586d9d-97ff-40ca-ae94-22504d6f9b7e"
id
"1c28c4ae-02cb-4e31-71ff-469ef847bba6"
is_byok
false
latency
523
model_permaslug
"x-ai/grok-4-fast"
provider_name
"xAI"
status
200
api_type
"completions"
id
"gen-1771617612-qT6FqRIqjKnXDasfqcAe"
upstream_id
"1c28c4ae-02cb-4e31-71ff-469ef847bba6"
total_cost
0.00024765
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)