Run: 2026-05-10-01KR91FQNSQ56MV4CK9FD397P3

Run Details

Model:
Grok 4.3
Duration:
950ms
Cost:
$0.000222
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
Detectives gathered silently around the dead body on the frozen ground. Rain dripped steadily from the broken window above them. Nobody spoke until the clock struck midnight across the room.
created_at"2026-05-10T13:33:34.784Z" 5/10/2026, 1:33:34 PM
model"x-ai/grok-4.3-20260430"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency406
moderation_latency(null)
generation_time897
tokens_prompt46
tokens_completion50
native_tokens_prompt157
native_tokens_completion37
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"
usage0.00022155
router(null)
provider_responses
0
endpoint_id"45623cb8-18e5-4b32-8fc4-85d05439982d"
id"7dc6a2d2-7872-92b6-b977-060112f79776"
is_byokfalse
latency122
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-1778420014-W30CWMpkWkNxlWxUtdfP"
session_id(null)
api_type"completions"
id"gen-1778420014-tIsbjtqDxGXaCGhpdng3"
upstream_id"7dc6a2d2-7872-92b6-b977-060112f79776"
total_cost0.00022155
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
011
19
210