Run: 2026-07-08-01KX1MXJHQDVQYRAX07DQDD174

Run Details

Duration:
20.7s
Cost:
$0.007910
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 10 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
The old mansion stood silent under the full moon tonight. Detective Smith entered the room and found the dead man. He was stabbed through the heart with a sharp dagger. The open window allowed curtains to flutter in cold breeze. No one knew who had done this horrible silent deed.
created_at"2026-07-08T19:57:44.895Z" 7/8/2026, 7:57:44 PM
model"x-ai/grok-4.5-20260708"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency7429
moderation_latency(null)
generation_time20677
tokens_prompt46
tokens_completion304
native_tokens_prompt241
native_tokens_completion1270
native_tokens_completion_images(null)
native_tokens_reasoning1215
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"
usage0.00791
router(null)
provider_responses
0
endpoint_id"0e927811-b1a8-4604-8b86-db5ce6eaa87c"
id"85a38952-ed97-98a3-b52b-b877a711d8dc"
is_byokfalse
latency222
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-1783540664-YenCJVjTbkvuOEu0dcKf"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783540664-oZozgPvR4FAQrPsAinq1"
upstream_id"85a38952-ed97-98a3-b52b-b877a711d8dc"
total_cost0.00791
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
sentences5
wordCounts
010
110
210
310
410