Run: 2026-05-01-01KQHR53AP3N59FBZZ5351K5BP

Run Details

Duration:
30.3s
Cost:
$0.006812
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 grand old clock chimed midnight in the quiet hall. A shadowy intruder moved slowly toward the master bedroom door. Suddenly a cry of terror echoed throughout the entire mansion. Guests discovered a body lying in a pool of blood.
created_at"2026-05-01T12:27:57.147Z" 5/1/2026, 12:27:57 PM
model"x-ai/grok-4.3-20260430"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency29910
moderation_latency(null)
generation_time30276
tokens_prompt46
tokens_completion586
native_tokens_prompt159
native_tokens_completion2699
native_tokens_completion_images(null)
native_tokens_reasoning2654
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"
usage0.00681185
router(null)
provider_responses
0
endpoint_id"45623cb8-18e5-4b32-8fc4-85d05439982d"
id"ed9fd0ba-c538-9cb0-823f-4efbc9d1429c"
is_byokfalse
latency74
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-1777638477-ubjhOuEWHu7G3dYte3ry"
session_id(null)
api_type"completions"
id"gen-1777638477-TdLcWJxSjuYiDffoZhif"
upstream_id"ed9fd0ba-c538-9cb0-823f-4efbc9d1429c"
total_cost0.00681185
cache_discount0.0001344
upstream_inference_cost0
provider_name"xAI"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences4
wordCounts
010
110
210
310