Run: 2026-05-01-01KQHRNGD3K3DVHJJZ6NTCBXHK

Run Details

Duration:
29.1s
Cost:
$0.005544
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
Dark clouds covered the moon. Rain poured down in sheets. A piercing scream shattered silence. Lights flickered in the mansion. The butler discovered the corpse. The detective entered the study. Blood stained the wooden floor.
created_at"2026-05-01T12:36:54.823Z" 5/1/2026, 12:36:54 PM
model"x-ai/grok-4.3-20260430"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency28721
moderation_latency(null)
generation_time29050
tokens_prompt46
tokens_completion599
native_tokens_prompt159
native_tokens_completion2192
native_tokens_completion_images(null)
native_tokens_reasoning2150
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"
usage0.00554435
router(null)
provider_responses
0
endpoint_id"45623cb8-18e5-4b32-8fc4-85d05439982d"
id"0f9adad9-ffab-932f-b347-a08e125b964e"
is_byokfalse
latency80
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-1777639014-yUdccaqgd2GLuHE29zth"
session_id(null)
api_type"completions"
id"gen-1777639014-STjX05mvww3rsksGSLKG"
upstream_id"0f9adad9-ffab-932f-b347-a08e125b964e"
total_cost0.00554435
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
sentences7
wordCounts
05
15
25
35
45
55
65