NC Bench
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Run: 2026-05-01-01KQHSDSV4CN30WHENN51E5HCA
Run Details
Model:
Grok 4.20 (Reasoning)
Test:
Dialogue tags
Scenario:
Write unattributed dialogue
Duration:
36.0s
Cost:
$0.006472
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 aroma of warm cinnamon rolls and fresh sourdough wrapped around the small bakery like a comforting embrace. Sunlight danced across glass cases filled with flaky pastries as two friends lingered over coffee at a corner table, voices hushed beneath the soft hum of morning customers. "I still can't believe she was found in her garden with one of our raspberry tarts clutched in her hand." "The sheriff swears it was natural causes, but that tart had been sitting out yesterday." "Exactly. And no one saw her come in, yet there it was. Half-eaten." "Old grudges die hard in this town. Remember how she threatened to expose the secret ingredient list?" "The one that supposedly came from her grandmother's stolen recipe book." "Precisely. If word gets out the bakery's involved, we'll lose half our regulars by noon." "We can't let that happen. I saw someone in a dark hoodie near the back door after closing." "Think it connects to the missing pie safe from the county fair?" "It has to. Same crumbly shortbread scattered at both scenes." "Then we'll start there. Tonight, after the last batch of muffins comes out." The friends shared a conspiratorial glance, the familiar clink of forks against plates suddenly carrying the weight of secrets yet to rise.
created_at
"2026-05-01T12:50:10.921Z"
5/1/2026, 12:50:10 PM
model
"x-ai/grok-4.20-20260309"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
31161
moderation_latency
(null)
generation_time
35958
tokens_prompt
81
tokens_completion
1011
native_tokens_prompt
185
native_tokens_completion
2523
native_tokens_completion_images
(null)
native_tokens_reasoning
2267
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
0.00647155
router
(null)
provider_responses
0
endpoint_id
"3ecee37f-b217-4093-87fb-aaf0afe307af"
id
"e7065a7c-0a3a-4d3c-3ab9-a444ea003b6c"
is_byok
false
latency
143
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-1777639810-bgSSpIEVYIelSojnRXK3"
session_id
(null)
api_type
"completions"
id
"gen-1777639810-a5l7mGaP6uGDd2kpKsq9"
upstream_id
"e7065a7c-0a3a-4d3c-3ab9-a444ea003b6c"
total_cost
0.00647155
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)