Run: 2026-05-10-01KR8ZPB56VPDH293BJMHKKNX5

Run Details

Model:
Grok 4.3
Test:
N-Length Sentences
Scenario:
Write sentences with 20 words each
Duration:
742ms
Cost:
$0.000182
Provider:
xAI

Evaluation summary

Score Evaluator
Details Link
30.33% 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
Seven people gathered quietly in the dimly lit ornate drawing room awaiting unexpected revelations from their mysterious host tonight. Da
created_at"2026-05-10T13:02:14.191Z" 5/10/2026, 1:02:14 PM
model"x-ai/grok-4.3-20260430"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency372
moderation_latency(null)
generation_time674
tokens_prompt46
tokens_completion35
native_tokens_prompt157
native_tokens_completion21
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"
usage0.00018155
router(null)
provider_responses
0
endpoint_id"45623cb8-18e5-4b32-8fc4-85d05439982d"
id"9faf4422-f894-907c-9abd-8090127c9086"
is_byokfalse
latency108
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-1778418134-3yuzCIkC4WdOXt6rBBup"
session_id(null)
api_type"completions"
id"gen-1778418134-2G5UxmNcuzIJPoQG7XQW"
upstream_id"9faf4422-f894-907c-9abd-8090127c9086"
total_cost0.00018155
cache_discount0.0000672
upstream_inference_cost0
provider_name"xAI"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
30.33% Matches word count n/a
neededCleanfalse
sentences2
wordCounts
019
11