Run: 2026-09-01-01M1EMRR45XRY6JFS9AC74PQK8

Run Details

Model:
Grok 4.6 (Reasoning, High)
Test:
N-Length Sentences
Scenario:
Write sentences with 10 words each
Duration:
30.5s
Cost:
$0.010730
Provider:
xAI

Evaluation summary

Score Evaluator
Details Link
100.00% 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 arrived late at the grand estate after midnight. A lifeless body lay sprawled on the living room floor. Blood stained the expensive Persian carpet near the antique fireplace. The butler discovered the dead victim during his evening rounds. Rain poured heavily outside as thunder rumbled in the distance.
created_at"2026-09-01T14:08:01.677Z" 9/1/2026, 2:08:01 PM
model"x-ai/grok-4.6-20260810"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency538
moderation_latency(null)
generation_time30474
tokens_prompt46
tokens_completion276
native_tokens_prompt241
native_tokens_completion1740
native_tokens_completion_images(null)
native_tokens_reasoning1683
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"
usage0.01073
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer(null)
request_id"req-1788271681-UB074zZkQLD5TwwLg5nG"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1788271681-DMSzIElDYoqgHG957wMw"
upstream_id"af9f3822-274d-928d-a190-4c376ad10f17"
provider_responses
0
endpoint_id"0d0536e3-7eb1-4acb-8249-c8813365c2d8"
id"af9f3822-274d-928d-a190-4c376ad10f17"
is_byokfalse
latency146
model_permaslug"x-ai/grok-4.6-20260810"
provider_name"xAI"
status200
total_cost0.01073
cache_discount0.000192
upstream_inference_cost0
provider_name"xAI"
response_cache_source_id(null)
data_region"global"
workspace_id"97e315e5-d303-487d-83c1-83180e8a13d4"

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences5
wordCounts
010
110
210
310
410