Run: 2026-07-08-01KX1M48GFJRGJ94FJ9X837VGH

Run Details

Duration:
15.5s
Cost:
$0.008030
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 mansion stood silent tonight. Shadows danced across the walls. Then a sharp scream echoed. Someone stumbled on the body. Blood stained the cold floor. Detectives arrived at the scene.
created_at"2026-07-08T19:43:55.414Z" 7/8/2026, 7:43:55 PM
model"x-ai/grok-4.5-20260708"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency471
moderation_latency(null)
generation_time15406
tokens_prompt46
tokens_completion326
native_tokens_prompt241
native_tokens_completion1290
native_tokens_completion_images(null)
native_tokens_reasoning1253
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"
service_tier"default"
usage0.00803
router(null)
provider_responses
0
endpoint_id"0e927811-b1a8-4604-8b86-db5ce6eaa87c"
id"c00893ec-362f-9999-ba80-b4371a7754ca"
is_byokfalse
latency123
model_permaslug"x-ai/grok-4.5-20260708"
provider_name"xAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.18.0; linux; x64))"
http_referer(null)
request_id"req-1783539835-WF5ahE0vRuHUYtHScdI8"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783539835-WxgZ3SJNkn0KqJSYXW0X"
upstream_id"c00893ec-362f-9999-ba80-b4371a7754ca"
total_cost0.00803
cache_discount0.000192
upstream_inference_cost0
provider_name"xAI"
response_cache_source_id(null)
data_region"global"

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences6
wordCounts
05
15
25
35
45
55