Run: 2026-07-08-01KX1MNQQ5928JB3CVMHDS3BMH

Run Details

Duration:
28.3s
Cost:
$0.017348
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

AI
The rain poured heavily on the dark streets as Detective Harris approached the old mansion where the grim murder occurred. Inside the dimly lit study the lifeless body of the wealthy businessman lay sprawled across his antique desk in silence. A cryptic note left on the nearby table suggested that this brutal killing might be related somehow to family secrets. Shadows danced on the walls as the detective carefully examined every single clue available in the room for possible leads.
created_at"2026-07-08T19:53:28.044Z" 7/8/2026, 7:53:28 PM
model"x-ai/grok-4.5-20260708"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency459
moderation_latency(null)
generation_time28187
tokens_prompt46
tokens_completion755
native_tokens_prompt241
native_tokens_completion2843
native_tokens_completion_images(null)
native_tokens_reasoning2754
native_tokens_cached128
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
num_fetches(null)
web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
service_tier"default"
usage0.017348
router(null)
provider_responses
0
endpoint_id"0e927811-b1a8-4604-8b86-db5ce6eaa87c"
id"0c52bae6-2d22-9ea7-92ff-31bb34915167"
is_byokfalse
latency109
model_permaslug"x-ai/grok-4.5-20260708"
provider_name"xAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.18.0; linux; x64))"
http_referer(null)
request_id"req-1783540408-1xmrMOgWvJKShaWyJcSy"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783540408-9fl11Tcw9xfxJD9zg7BF"
upstream_id"0c52bae6-2d22-9ea7-92ff-31bb34915167"
total_cost0.017348
cache_discount0.000192
upstream_inference_cost0
provider_name"xAI"
response_cache_source_id(null)
data_region"global"

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences4
wordCounts
020
120
220
320