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Run: 2026-09-23-01M36S9EZA9JY9BZRS1TX8GSVA
Run Details
Model:
Grok 4.7 (Reasoning, High)
Test:
N-Length Sentences
Scenario:
Write sentences with 20 words each
Duration:
58.4s
Cost:
$0.016107
Provider:
xAI
Evaluation summary
Score
Evaluator
Details Link
100.00%
Matches word count
(details)
Model input
User/Human
Please write the opening scene of a murder mystery where each sentence has exactly 20 words. Please make sure that each sentence has the same length. Only return the opening itself.
Model response
Messages
Meta
AI
Cold rain hammered the narrow alley while Detective Chen carefully examined the silent figure sprawled beneath a broken streetlamp tonight. A single playing card rested upon the dead man's chest, its crimson queen smiling coldly beneath the flickering lamplight overhead. Chen noted the missing wallet, the torn sleeve, and the strange smell of roses that clung to his damp coat. Somewhere above the rusty fire escape, a dark window slammed shut, and hurried footsteps vanished into the sleeping city beyond. She quietly pocketed the card, called for backup, and wondered which elegant liar would claim they never knew him well.
created_at
"2026-09-23T09:24:31.856Z"
9/23/2026, 9:24:31 AM
model
"x-ai/grok-4.7-20260916"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
30216
moderation_latency
(null)
generation_time
48349
tokens_prompt
46
tokens_completion
356
native_tokens_prompt
1277
native_tokens_completion
3218
native_tokens_completion_images
(null)
native_tokens_reasoning
3099
native_tokens_cached
1152
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"
service_tier
"default"
usage
0.0161072
router
(null)
user_agent
"langchainjs-openai/1.0.0 ((node/v24.20.0; linux; x64))"
http_referer
(null)
request_id
"req-1790155471-zlXj3sHz3whwJkhs6HkG"
session_id
(null)
preset_id
(null)
api_type
"completions"
id
"gen-1790155471-obB6wn7U0AifhUcklJJ7"
upstream_id
"c84dec6d-96ca-997f-acec-1e7e3f1a6e31"
provider_responses
0
endpoint_id
"c942f37a-87e1-4fa8-83d0-8c67fda4fb4a"
is_byok
false
latency
474
model_permaslug
"x-ai/grok-4.7-20260916"
provider_name
"xAI"
status
504
1
endpoint_id
"48cfe052-27db-4511-bd21-db8053f20023"
id
"c84dec6d-96ca-997f-acec-1e7e3f1a6e31"
is_byok
false
latency
438
model_permaslug
"x-ai/grok-4.7-20260916"
provider_name
"xAI"
status
200
total_cost
0.0161072
cache_discount
0.0013824
upstream_inference_cost
0
provider_name
"xAI"
response_cache_source_id
(null)
data_region
"global"
workspace_id
"97e315e5-d303-487d-83c1-83180e8a13d4"
Evaluation details
Result
Evaluator
Details
Meta Data
100.00%
Matches word count
n/a
neededClean
false
sentences
5
wordCounts
0
20
1
20
2
20
3
20
4
20