Run: 2026-05-10-01KR9154NT6CK6KRXGT3F3DRZX

Run Details

Model:
Grok 4.3
Test:
N-Length Sentences
Scenario:
Write sentences with 5 words each
Duration:
1.1s
Cost:
$0.000147
Provider:
xAI

Evaluation summary

Score Evaluator
Details Link
77.88% 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
The old mansion stood alone tonight.
created_at"2026-05-10T13:27:47.65Z" 5/10/2026, 1:27:47 PM
model"x-ai/grok-4.3-20260430"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency906
moderation_latency(null)
generation_time1025
tokens_prompt46
tokens_completion9
native_tokens_prompt157
native_tokens_completion7
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"
usage0.00014655
router(null)
provider_responses
0
endpoint_id"45623cb8-18e5-4b32-8fc4-85d05439982d"
id"2f0a691b-3962-97a1-83ea-02a2c346e204"
is_byokfalse
latency141
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-1778419667-GNhr9eX8WRVG326rAR2E"
session_id(null)
api_type"completions"
id"gen-1778419667-1GJ3HUBHsVvRpU1pfRWh"
upstream_id"2f0a691b-3962-97a1-83ea-02a2c346e204"
total_cost0.00014655
cache_discount0.0000672
upstream_inference_cost0
provider_name"xAI"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
77.88% Matches word count n/a
neededCleanfalse
sentences1
wordCounts
06