Run: 2026-03-12-01KKHZSTGGETSP0RCADFW32PP1

Run Details

Duration:
7.3s
Cost:
$0.011938
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 old mansion stood silent. Rain pounded against window panes. Suddenly a scream pierced night. Servant discovered the lifeless body. Blood pooled under the corpse. Lord Harrington lay murdered there. Butler sounded the alarm bell. Police rushed to the scene. Detective inspected the crime scene. Clues pointed to family members. The night was stormy outside. Lightning revealed a grim sight. A dead body lay there. Blood stained the wooden floor. The butler stood in shock. He called for the police. Detectives arrived at the mansion. Inspector questioned every suspect present.
created_at"2026-03-12T21:38:48.981Z" 3/12/2026, 9:38:48 PM
model"x-ai/grok-4.20-beta-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency7000
moderation_latency(null)
generation_time7200
tokens_prompt46
tokens_completion147
native_tokens_prompt159
native_tokens_completion1975
native_tokens_completion_images0
native_tokens_reasoning1864
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"
usage0.0119376
router(null)
provider_responses
0
endpoint_id"33f49f24-a0de-4dcf-872d-ca514e83fbae"
id"e780f695-21b2-a44c-eea7-45cb1b788edc"
is_byokfalse
latency282
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-1773351528-3LtBMLk730t5sz1iekA2"
upstream_id"e780f695-21b2-a44c-eea7-45cb1b788edc"
total_cost0.0119376
cache_discount0.0002304
upstream_inference_cost0
provider_name"xAI"

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences18
wordCounts
05
15
25
35
45
55
65
75
85
95
105
115
125
135
145
155
165
175