Run: 2026-05-10-01KR8WXJMSG03HJPVNMP1YTTNE

Run Details

Model:
Grok 4.3
Test:
N-Length Sentences
Scenario:
Write sentences with 5 words each
Duration:
772ms
Cost:
$0.000167
Provider:
xAI

Evaluation summary

Score Evaluator
Details Link
77.88% Matches word count (details)

Model input

User/Human
Please write the opening scene of a murder mystery where each sentence has exactly 5 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
The quiet night whispered secrets softly. Shadows danced across the moonlit garden.
created_at"2026-05-10T12:13:45.505Z" 5/10/2026, 12:13:45 PM
model"x-ai/grok-4.3-20260430"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency527
moderation_latency(null)
generation_time718
tokens_prompt46
tokens_completion21
native_tokens_prompt157
native_tokens_completion15
native_tokens_completion_images(null)
native_tokens_reasoning0
native_tokens_cached64
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"
usage0.00016655
router(null)
provider_responses
0
endpoint_id"45623cb8-18e5-4b32-8fc4-85d05439982d"
id"4b1daf36-11b8-9865-936f-5d1cbe994286"
is_byokfalse
latency112
model_permaslug"x-ai/grok-4.3-20260430"
provider_name"xAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer(null)
request_id"req-1778415225-HfTjXCRa0aIcbx3jXsJd"
session_id(null)
api_type"completions"
id"gen-1778415225-jqdQcXjARsRghMz1vVU1"
upstream_id"4b1daf36-11b8-9865-936f-5d1cbe994286"
total_cost0.00016655
cache_discount0.0000672
upstream_inference_cost0
provider_name"xAI"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
77.88% Matches word count n/a
neededCleanfalse
sentences2
wordCounts
06
16