Run: 2026-05-10-01KR8XG57ZVQ4HZK59RTBXNATT

Run Details

Model:
Grok 4.3
Duration:
706ms
Cost:
$0.000154
Provider:
xAI

Evaluation summary

Score Evaluator
Details Link
74.08% 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
The grand clock struck midnight with an eerie chime.
created_at"2026-05-10T12:23:54.377Z" 5/10/2026, 12:23:54 PM
model"x-ai/grok-4.3-20260430"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency436
moderation_latency(null)
generation_time644
tokens_prompt46
tokens_completion13
native_tokens_prompt157
native_tokens_completion10
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"
usage0.00015405
router(null)
provider_responses
0
endpoint_id"45623cb8-18e5-4b32-8fc4-85d05439982d"
id"495988aa-e19c-937d-8dd7-eeb3bde6e28f"
is_byokfalse
latency110
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-1778415834-onIDqA9mI1m7D9NZh2tE"
session_id(null)
api_type"completions"
id"gen-1778415834-rawrvQnpRw8FFWIBW1IC"
upstream_id"495988aa-e19c-937d-8dd7-eeb3bde6e28f"
total_cost0.00015405
cache_discount0.0000672
upstream_inference_cost0
provider_name"xAI"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
74.08% Matches word count n/a
neededCleanfalse
sentences1
wordCounts
09