NC Bench
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Run: 2026-02-20-01KHY8A7H6WN8RXNKE4V4KA6TY
Run Details
Model:
Grok 4 Fast
Test:
Dialogue tags
Scenario:
Write unattributed dialogue
Duration:
5.5s
Cost:
$0.000245
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 as the morning sun filtered through lace curtains, casting warm patterns on the glass display cases filled with golden croissants and berry tarts. The air hummed with the scent of fresh cinnamon and vanilla, but beneath it lingered a whisper of unease. "Another one gone missing? That's the third antique brooch this month." "Shh, not so loud. Mrs. Hargrove's ears are sharper than her knitting needles. But yes, right from the library's display case. No broken glass, no fingerprints—just poof." "Poof? Like magic? Come on, Ellie, this is Willow Creek, not some wizard's lair. Though old man Jenkins swore he saw a shadow by the river last night." "A shadow? With glowing eyes, no doubt. But seriously, if it's not a ghost, then who? The new librarian's too timid, and the mayor's too busy kissing babies." "Timid or clever? She did arrive right before the first theft. And those gloves she always wears..." The oven timer dinged, breaking the hush. Flour-dusted hands paused on a rolling pin. "Gloves in summer? Suspicious. We should poke around after the bake sale. Can't have our town's treasures vanishing like bad dough." A knowing smile creased weathered cheeks as the conversation dissolved into the clink of teacups.
created_at
"2026-02-20T19:27:04.754Z"
2/20/2026, 7:27:04 PM
model
"x-ai/grok-4-fast"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
2528
moderation_latency
(null)
generation_time
5333
tokens_prompt
81
tokens_completion
331
native_tokens_prompt
217
native_tokens_completion
448
native_tokens_completion_images
0
native_tokens_reasoning
169
native_tokens_cached
151
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
0.00024475
router
(null)
provider_responses
0
endpoint_id
"c9586d9d-97ff-40ca-ae94-22504d6f9b7e"
id
"ef589032-dbc8-2803-c0fc-f57a34f68044"
is_byok
false
latency
1073
model_permaslug
"x-ai/grok-4-fast"
provider_name
"xAI"
status
200
api_type
"completions"
id
"gen-1771615624-j2frYvAzAhg60UUWZf8E"
upstream_id
"ef589032-dbc8-2803-c0fc-f57a34f68044"
total_cost
0.00024475
cache_discount
0.00002265
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)