Run: 2026-05-10-01KR8VSMZS12932Q1TFYW87QNK

Run Details

Model:
Grok 4.3
Duration:
1.5s
Cost:
$0.000252
Provider:
xAI

Evaluation summary

Score Evaluator
Details Link
0.00% Matches word count (details)

Model input

User/Human
Please write the opening scene of a murder mystery where each sentence has exactly 20 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
The old manor sat silent beneath a moonlit sky as the clock struck midnight precisely. A single candle flickered on the grand piano while footsteps echoed faintly in the hallway. Suddenly a scream pierced through the heavy silence like an arrow striking its deadly target.
created_at"2026-05-10T11:54:08.257Z" 5/10/2026, 11:54:08 AM
model"x-ai/grok-4.3-20260430"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency675
moderation_latency(null)
generation_time1385
tokens_prompt46
tokens_completion68
native_tokens_prompt157
native_tokens_completion49
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"
service_tier"default"
usage0.00025155
router(null)
provider_responses
0
endpoint_id"45623cb8-18e5-4b32-8fc4-85d05439982d"
id"37b6cbde-6e80-b5ee-147e-ba13802bd1e0"
is_byokfalse
latency403
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-1778414048-ys7Ci9yGLdDNruoIud1P"
session_id(null)
api_type"completions"
id"gen-1778414048-GoVqC4xBKwFRu8i7c3Cb"
upstream_id"37b6cbde-6e80-b5ee-147e-ba13802bd1e0"
total_cost0.00025155
cache_discount0.0000672
upstream_inference_cost0
provider_name"xAI"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
0.00% Matches word count n/a
neededCleanfalse
sentences3
wordCounts
015
115
215