Run: 2026-05-10-01KR8Z4CRH5HKMPBTE2X1V8K6K

Run Details

Model:
Grok 4.3
Duration:
1.8s
Cost:
$0.000229
Provider:
xAI

Evaluation summary

Score Evaluator
Details Link
82.72% Matches word count (details)

Model input

User/Human
Please write the opening scene of a murder mystery where each sentence has exactly 10 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
A dim light flickered above the mansion staircase corridor area tonight. The lobby held secrets behind its grand velvet curtains tonight's gathering. Footsteps echoed across polished wooden floors heralding unknown sinister intentions.
created_at"2026-05-10T12:52:26.008Z" 5/10/2026, 12:52:26 PM
model"x-ai/grok-4.3-20260430"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency372
moderation_latency(null)
generation_time838
tokens_prompt46
tokens_completion62
native_tokens_prompt157
native_tokens_completion40
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"
usage0.00022905
router(null)
provider_responses
0
endpoint_id"45623cb8-18e5-4b32-8fc4-85d05439982d"
id"ffd8dee4-7f71-984a-b1eb-75cb1925b9b7"
is_byokfalse
latency117
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-1778417546-HdYWpPBK9slrzLlGtTDP"
session_id(null)
api_type"completions"
id"gen-1778417546-0xveUnMapFntZeJsS4Wn"
upstream_id"ffd8dee4-7f71-984a-b1eb-75cb1925b9b7"
total_cost0.00022905
cache_discount0.0000672
upstream_inference_cost0
provider_name"xAI"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
82.72% Matches word count n/a
neededCleanfalse
sentences3
wordCounts
011
111
210