Run: 2026-07-08-01KX1KXS76ESDGVZ6FPCB72M85

Run Details

Duration:
5.5s
Cost:
$0.003296
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. A chilling scream pierced the darkness from within its walls. Detective Harper arrived quickly to investigate the gruesome discovery inside. Blood stained the floor around the lifeless body found there. Who could commit such a heinous crime in this place?
created_at"2026-07-08T19:40:23.149Z" 7/8/2026, 7:40:23 PM
model"x-ai/grok-4.5-20260708"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency767
moderation_latency(null)
generation_time5425
tokens_prompt46
tokens_completion177
native_tokens_prompt241
native_tokens_completion501
native_tokens_completion_images(null)
native_tokens_reasoning440
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"
usage0.003296
router(null)
provider_responses
0
endpoint_id"0e927811-b1a8-4604-8b86-db5ce6eaa87c"
id"721d9d1a-11c9-9a47-bc63-132b995feb90"
is_byokfalse
latency138
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-1783539623-Q7AfOOtgkFeFKI5Yko50"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783539623-CXB80jbVrPCGqUDI2iOc"
upstream_id"721d9d1a-11c9-9a47-bc63-132b995feb90"
total_cost0.003296
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