NC Bench
Overview
About
Tests
Categories
Models
Vendors
Compare
Run: 2026-05-01-01KQHR7CNFKQ6FVN0Q119BNVX2
Run Details
Model:
Grok 4.20 (Reasoning)
Test:
Dialogue tags
Scenario:
Write unattributed dialogue
Duration:
24.9s
Cost:
$0.005442
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 had long since fallen silent. Warmth rose from the ovens in lazy waves, carrying vanilla and toasted almond into every corner. Two women stood alone beside the marble counter, elbows resting near a half-empty tray of cinnamon rolls. "I still taste the bitterness behind the sugar." "Exactly what I thought when I bit into the winning entry. One wrong note under all that lemon glaze." "Old man Whitaker swore it was just his dentures, but his face went the color of day-old icing." "Three people have mentioned a metallic aftertaste now. Not enough for the sheriff to stir from his usual donut, yet enough to keep me up rewriting my own recipes." "Someone swapped an ingredient. Subtle. Personal." "The blue ribbon vanished from the display case before dawn, too. Almost as if the prize itself were poisoned." "Or poisoned the prizewinner. We both saw Eleanor slip behind the tent right before judging." A wooden spoon tapped once against a mixing bowl. Outside, church bells rang the quarter hour, but inside the only sound was the soft rustle of wax paper as one woman slid two pecan sticky buns into a bag. "Take these. We'll need something sweet while we decide whose kitchen we search first."
created_at
"2026-05-01T12:29:12.244Z"
5/1/2026, 12:29:12 PM
model
"x-ai/grok-4.20-20260309"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
17656
moderation_latency
(null)
generation_time
24834
tokens_prompt
81
tokens_completion
906
native_tokens_prompt
185
native_tokens_completion
2111
native_tokens_completion_images
(null)
native_tokens_reasoning
1857
native_tokens_cached
64
num_media_prompt
(null)
num_input_audio_prompt
(null)
num_media_completion
0
num_search_results
(null)
num_fetches
(null)
web_search_engine
(null)
origin
"https://ncbench.com/"
is_byok
false
finish_reason
"stop"
native_finish_reason
"completed"
usage
0.00544155
router
(null)
provider_responses
0
endpoint_id
"3ecee37f-b217-4093-87fb-aaf0afe307af"
id
"5fb34ce4-d6d1-2198-482b-e02a34b7e214"
is_byok
false
latency
76
model_permaslug
"x-ai/grok-4.20-20260309"
provider_name
"xAI"
status
200
user_agent
"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer
(null)
request_id
"req-1777638552-UgSjP0WaTEIl1HqEM6Uk"
session_id
(null)
api_type
"completions"
id
"gen-1777638552-WUE4C4eDmGOx8dn38b42"
upstream_id
"5fb34ce4-d6d1-2198-482b-e02a34b7e214"
total_cost
0.00544155
cache_discount
0.0000672
upstream_inference_cost
0
provider_name
"xAI"
response_cache_source_id
(null)
Evaluation details
Result
Evaluator
Details
Meta Data
100.00%
Count dialogue tags
n/a
neededClean
false
dialogueTags
(empty)