Run: 2026-05-01-01KQHRXRT1SM6RYJFS5FWFJ78E

Run Details

Duration:
1.5s
Cost:
$0.000317
Provider:
xAI

Evaluation summary

Score Evaluator
Details Link
95.58% 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
Detective entered the dimly lit room. Victim lay motionless on the floor. Blood pooled around the body. Witness stood frozen in shock. Clues scattered across the table. Inspector examined every possible detail. Tension filled the entire atmosphere. Mystery deepened with each observation. Suspects gathered in the hallway. Truth remained hidden for now.
created_at"2026-05-01T12:41:25.574Z" 5/1/2026, 12:41:25 PM
model"x-ai/grok-4.20-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency392
moderation_latency(null)
generation_time1396
tokens_prompt46
tokens_completion98
native_tokens_prompt157
native_tokens_completion75
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"
usage0.00031655
router(null)
provider_responses
0
endpoint_id"3ecee37f-b217-4093-87fb-aaf0afe307af"
id"68945ee4-8121-99ba-b62c-32997307315c"
is_byokfalse
latency90
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-1777639285-W5UTbxouYzmRkz3kX6RH"
session_id(null)
api_type"completions"
id"gen-1777639285-NQ8zxYIMmJZdXW5taejW"
upstream_id"68945ee4-8121-99ba-b62c-32997307315c"
total_cost0.00031655
cache_discount0.0000672
upstream_inference_cost0
provider_name"xAI"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
95.58% Matches word count n/a
neededCleanfalse
sentences10
wordCounts
06
16
25
35
45
55
65
75
85
95