Run: 2026-05-01-01KQHRVAVERE90BZTGHP0Y9GR0

Run Details

Model:
Grok 4.3 (Reasoning)
Test:
N-Length Sentences
Scenario:
Write sentences with 5 words each
Duration:
1m 6s
Cost:
$0.008624
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 5 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
Thick fog surrounded the mansion. Detective entered the quiet hall. Blood marked the carpet path. Victim wore a black suit. No weapon appeared in view.
created_at"2026-05-01T12:40:05.746Z" 5/1/2026, 12:40:05 PM
model"x-ai/grok-4.3-20260430"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency65237
moderation_latency(null)
generation_time65486
tokens_prompt46
tokens_completion835
native_tokens_prompt159
native_tokens_completion3424
native_tokens_completion_images(null)
native_tokens_reasoning3393
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"
usage0.00862435
router(null)
provider_responses
0
endpoint_id"45623cb8-18e5-4b32-8fc4-85d05439982d"
id"50de62b3-b7da-acfb-1e44-05a2936707cf"
is_byokfalse
latency89
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-1777639205-zwVpfGrxm8NXyVJRWWUW"
session_id(null)
api_type"completions"
id"gen-1777639205-k4wXvmbaVWOEgkK9tSma"
upstream_id"50de62b3-b7da-acfb-1e44-05a2936707cf"
total_cost0.00862435
cache_discount0.0001344
upstream_inference_cost0
provider_name"xAI"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences5
wordCounts
05
15
25
35
45