Run: 2026-03-12-01KKHZDRRWTNZ8CKR7XWSMSNDB

Run Details

Duration:
642ms
Cost:
$0.000462
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 5 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
The detective entered the mansion. Shadows danced across the walls. Blood stained the antique rug. A scream pierced the silence. Guests gathered in hushed panic. The victim lay quite still. Clues scattered without clear meaning. Rain pounded the old windows. Everyone avoided eye contact now.
created_at"2026-03-12T21:32:13.987Z" 3/12/2026, 9:32:13 PM
model"x-ai/grok-4.20-beta-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency519
moderation_latency(null)
generation_time566
tokens_prompt46
tokens_completion83
native_tokens_prompt157
native_tokens_completion63
native_tokens_completion_images0
native_tokens_reasoning0
native_tokens_cached128
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
usage0.0004616
router(null)
provider_responses
0
endpoint_id"33f49f24-a0de-4dcf-872d-ca514e83fbae"
id"e3a39ed0-044d-dee9-c6bb-1e75e311da5c"
is_byokfalse
latency473
model_permaslug"x-ai/grok-4.20-beta-20260309"
provider_name"xAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer(null)
api_type"completions"
id"gen-1773351133-DYiTIohEne3tfXwPZgoK"
upstream_id"e3a39ed0-044d-dee9-c6bb-1e75e311da5c"
total_cost0.0004616
cache_discount0.0002304
upstream_inference_cost0
provider_name"xAI"

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences9
wordCounts
05
15
25
35
45
55
65
75
85