NC Bench
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Run: 2026-02-20-01KHY9BP9W82H2A47K9G1SXV2G
Run Details
Model:
Grok 4 Fast
Test:
Dialogue tags
Scenario:
Write 200 words with 50% dialogue
Duration:
5.4s
Cost:
$0.000283
Provider:
xAI
Evaluation summary
Score
Evaluator
Details Link
35.00%
Matches word count
(details)
6.58%
Dialogue to Total Word Ratio
(details)
20.7899%
Overall
Model input
User/Human
You are a author of comedic heist books. Please write a 200 word scene that has 50% words of dialogue between two thieves named Molly and Bill who are planning to break into a children's party to steal all the presents. Only include the prose of the scene without any markdown or commentary.
Model response
Messages
Meta
AI
Molly hunched over the rickety kitchen table, blueprints of the community center spread out like a treasure map. Bill paced, twirling a fake mustache he'd bought for "disguise purposes." The room smelled of stale coffee and desperation. "Listen, Bill," Molly said, jabbing a finger at the diagram. "We crash the party as the balloon animal clowns. Kids love that crap. I'll twist dachshunds while you pilfer the present pile." Bill snorted, adjusting his mustache. "Brilliant, Mol. But what if the rugrats spot us? One whiff of our sweaty thief vibes, and we're toast. Or worse—covered in cake." She grinned wickedly. "That's why we bring the smoke bombs. Poof! Magical disappearing presents. We load 'em into the van disguised as a bounce house delivery." "Risky," Bill muttered, scratching his chin. "The birthday kid's dad is that burly cop, remember? One wrong move, and we're twisting bars in jail instead of balloons." Molly leaned back, eyes sparkling. "Then we bribe him with a stolen pony ride. Come on, Bill—think of the haul. Toys for days on the black market. We're talking teddy bears to the moon!" Bill chuckled despite himself. "Fine, but if a kid cries, you're handling the waterworks. Deal?" "Deal," she said, clinking her coffee mug against his. The heist was on—chaos and candy awaited.
created_at
"2026-02-20T19:45:21.224Z"
2/20/2026, 7:45:21 PM
model
"x-ai/grok-4-fast"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
2021
moderation_latency
(null)
generation_time
5226
tokens_prompt
77
tokens_completion
341
native_tokens_prompt
216
native_tokens_completion
525
native_tokens_completion_images
0
native_tokens_reasoning
224
native_tokens_cached
154
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
0.0002826
router
(null)
provider_responses
0
endpoint_id
"c9586d9d-97ff-40ca-ae94-22504d6f9b7e"
id
"14ff4368-bf31-ec7a-7166-41352ab36450"
is_byok
false
latency
425
model_permaslug
"x-ai/grok-4-fast"
provider_name
"xAI"
status
200
api_type
"completions"
id
"gen-1771616721-6HEjqOqbqd2SwxngvtpC"
upstream_id
"14ff4368-bf31-ec7a-7166-41352ab36450"
total_cost
0.0002826
cache_discount
0.0000231
upstream_inference_cost
0
provider_name
"xAI"
Evaluation details
Result
Evaluator
Details
Meta Data
35.00%
Matches word count
n/a
neededClean
false
words
218
6.58%
Dialogue to Total Word Ratio
Ratio: 62.84%, Deviation: 12.84%
neededClean
false
wordsTotal
218
wordsDialogue
137
20.7899%