Run: 2026-05-10-01KR8XYSZYXGXF2RGM4570A2SR

Run Details

Model:
Grok 4.3
Test:
N-Length Sentences
Scenario:
Write sentences with 10 words each
Duration:
671ms
Cost:
$0.000112
Provider:
xAI

Evaluation summary

Score Evaluator
Details Link
52.10% 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 detective examined the crime scene very carefully, the rich victim lying upon the expensive Persian carpet.
created_at"2026-05-10T12:31:54.372Z" 5/10/2026, 12:31:54 PM
model"x-ai/grok-4.3-20260430"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency416
moderation_latency(null)
generation_time606
tokens_prompt46
tokens_completion29
native_tokens_prompt157
native_tokens_completion20
native_tokens_completion_images(null)
native_tokens_reasoning0
native_tokens_cached128
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"
usage0.00011185
router(null)
provider_responses
0
endpoint_id"45623cb8-18e5-4b32-8fc4-85d05439982d"
id"87ea2faa-2687-6c90-0a07-4d0ee9b4f96e"
is_byokfalse
latency177
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-1778416314-WD4nuaJcRHGNvCjwtTQv"
session_id(null)
api_type"completions"
id"gen-1778416314-VIeOOtSYtNCdq0uhoLSw"
upstream_id"87ea2faa-2687-6c90-0a07-4d0ee9b4f96e"
total_cost0.00011185
cache_discount0.0001344
upstream_inference_cost0
provider_name"xAI"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
52.10% Matches word count n/a
neededCleanfalse
sentences2
wordCounts
08
19