Run: 2026-05-10-01KR8X29A7MN166NR1Y0X90VZ4

Run Details

Model:
Grok 4.3
Duration:
1.4s
Cost:
$0.000272
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 dim light of dawn cast long shadows across the silent manor hallway. A single drop of blood marred the once pristine marble floor surface. Heavy breathing echoed faintly from the study while furniture lay overturned. Sudden panic spread among the gathered guests as the butler collapsed limply.
created_at"2026-05-10T12:16:19.79Z" 5/10/2026, 12:16:19 PM
model"x-ai/grok-4.3-20260430"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency576
moderation_latency(null)
generation_time1383
tokens_prompt46
tokens_completion79
native_tokens_prompt157
native_tokens_completion57
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"
usage0.00027155
router(null)
provider_responses
0
endpoint_id"45623cb8-18e5-4b32-8fc4-85d05439982d"
id"fc7d4e9a-3436-7e3e-aa83-3b485992b264"
is_byokfalse
latency128
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-1778415379-X7h1xVobC177eWBRwmEl"
session_id(null)
api_type"completions"
id"gen-1778415379-Ketqpu9gGJbC5RgLvYft"
upstream_id"fc7d4e9a-3436-7e3e-aa83-3b485992b264"
total_cost0.00027155
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
sentences4
wordCounts
013
112
211
312