Run: 2026-05-10-01KR8Y6ZZN44G6GA22816DY6RP

Run Details

Model:
Grok 4.3
Duration:
998ms
Cost:
$0.000217
Provider:
xAI

Evaluation summary

Score Evaluator
Details Link
68.07% 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
A quiet fog settled over Thornewood village tonight. Detective Elena Voss arrived when darkness covered everything completely. Old Mr. Hargrove lay dead inside his grand study room.
created_at"2026-05-10T12:36:22.653Z" 5/10/2026, 12:36:22 PM
model"x-ai/grok-4.3-20260430"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency374
moderation_latency(null)
generation_time942
tokens_prompt46
tokens_completion47
native_tokens_prompt157
native_tokens_completion35
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"
usage0.00021655
router(null)
provider_responses
0
endpoint_id"45623cb8-18e5-4b32-8fc4-85d05439982d"
id"e6e67758-1b3e-9516-aa6f-ada6936ee134"
is_byokfalse
latency108
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-1778416582-MOxTiOJ5lMmStYl4caNE"
session_id(null)
api_type"completions"
id"gen-1778416582-MVgGV1BYMgvb67QNvJks"
upstream_id"e6e67758-1b3e-9516-aa6f-ada6936ee134"
total_cost0.00021655
cache_discount0.0000672
upstream_inference_cost0
provider_name"xAI"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
68.07% Matches word count n/a
neededCleanfalse
sentences3
wordCounts
08
19
210