Run: 2026-05-01-01KQHRENRQZSJR5DQ6D5HRS4PP

Run Details

Duration:
1.7s
Cost:
$0.000219
Provider:
xAI

Evaluation summary

Score Evaluator
Details Link
97.54% 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 detective entered the room. Blood stained the wooden floor. Shadows danced on pale walls. A single candle flickered weakly. The victim lay face down. Silence wrapped the eerie scene. Footsteps echoed from outside. Secrets whispered through cold air. Clues waited to be found.
created_at"2026-05-01T12:33:11.285Z" 5/1/2026, 12:33:11 PM
model"x-ai/grok-4.20-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency410
moderation_latency(null)
generation_time1253
tokens_prompt46
tokens_completion78
native_tokens_prompt157
native_tokens_completion63
native_tokens_completion_images(null)
native_tokens_reasoning0
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"
usage0.00021935
router(null)
provider_responses
0
endpoint_id"3ecee37f-b217-4093-87fb-aaf0afe307af"
id"f30283a9-7379-bdc8-825b-af9e365e43b5"
is_byokfalse
latency105
model_permaslug"x-ai/grok-4.20-20260309"
provider_name"xAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer(null)
request_id"req-1777638791-EEsJxSa8kJAevOcY80RZ"
session_id(null)
api_type"completions"
id"gen-1777638791-xcIoxS3ZqBCm0fk0Mg93"
upstream_id"f30283a9-7379-bdc8-825b-af9e365e43b5"
total_cost0.00021935
cache_discount0.0001344
upstream_inference_cost0
provider_name"xAI"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
97.54% Matches word count n/a
neededCleanfalse
sentences9
wordCounts
05
15
25
35
45
55
64
75
85