Run: 2026-07-08-01KX1M5CN0K81V7EJMQRSQK71J

Run Details

Duration:
16.4s
Cost:
$0.012488
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 over the quiet mansion where the detective discovered the lifeless body of the wealthy old host. Blood stains marked the oriental carpet beneath him while a broken wine glass indicated a fierce struggle had occurred nearby. The seasoned detective carefully examined the bloody crime scene for any clues that might reveal the identity of the killer.
created_at"2026-07-08T19:44:32.422Z" 7/8/2026, 7:44:32 PM
model"x-ai/grok-4.5-20260708"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency576
moderation_latency(null)
generation_time16366
tokens_prompt46
tokens_completion588
native_tokens_prompt241
native_tokens_completion2033
native_tokens_completion_images(null)
native_tokens_reasoning1970
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"
usage0.012488
router(null)
provider_responses
0
endpoint_id"0e927811-b1a8-4604-8b86-db5ce6eaa87c"
id"2a330eff-327d-9b0b-b3c5-296ef64b8dc2"
is_byokfalse
latency108
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-1783539872-1HY1tacUo9I4luQ6nZjX"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783539872-4OJILE0vPZJsAbNOY1V9"
upstream_id"2a330eff-327d-9b0b-b3c5-296ef64b8dc2"
total_cost0.012488
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
sentences3
wordCounts
020
120
220