Run: 2026-07-08-01KX1MNBDBRXRK549JCH2XFESW

Run Details

Duration:
14.0s
Cost:
$0.009950
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 rain poured heavily over the dark deserted mansion tonight. Inside the grand hall lay a cold lifeless body silently. Blood dripped slowly onto the polished marble floor marking death. A cloaked stranger vanished quickly into the misty garden outside. The butler discovered everything and screamed loudly in pure terror.
created_at"2026-07-08T19:53:15.441Z" 7/8/2026, 7:53:15 PM
model"x-ai/grok-4.5-20260708"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency421
moderation_latency(null)
generation_time13914
tokens_prompt46
tokens_completion557
native_tokens_prompt241
native_tokens_completion1610
native_tokens_completion_images(null)
native_tokens_reasoning1552
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"
usage0.00995
router(null)
provider_responses
0
endpoint_id"0e927811-b1a8-4604-8b86-db5ce6eaa87c"
id"bd220e56-1db0-9679-87a9-2595322c93cd"
is_byokfalse
latency151
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-1783540395-Xm0wsCnOX8pEduW2Z2N0"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783540395-Q0QADoECefXdfami7lgC"
upstream_id"bd220e56-1db0-9679-87a9-2595322c93cd"
total_cost0.00995
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