Run: 2026-02-20-01KHY8KP49J5D63AA74FZMSEM7

Run Details

Model:
Grok 4
Test:
N-Length Sentences
Scenario:
Write sentences with 5 words each
Duration:
11.0s
Cost:
$0.005277
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
The moon hung low tonight. Shadows danced on cobblestone streets. Detective Hale arrived on scene. A body lay in alley. Blood pooled under pale skin. No witnesses saw the crime. Clues scattered near the victim. A note clutched in hand. Mystery began to unfold slowly. Who killed the wealthy heir?
created_at"2026-02-20T19:32:14.611Z" 2/20/2026, 7:32:14 PM
model"x-ai/grok-4-07-09" 4/7/2009, 12:00:00 AM
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency7981
moderation_latency(null)
generation_time10968
tokens_prompt46
tokens_completion86
native_tokens_prompt719
native_tokens_completion310
native_tokens_completion_images0
native_tokens_reasoning237
native_tokens_cached680
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
usage0.005277
router(null)
provider_responses
0
endpoint_id"d40bef9d-6936-4c57-9749-bf7399de4a77"
id"687ee85b-7016-b217-44c6-f599270fc51a"
is_byokfalse
latency292
model_permaslug"x-ai/grok-4-07-09" 4/7/2009, 12:00:00 AM
provider_name"xAI"
status200
api_type"completions"
id"gen-1771615934-0aVu3k0aDVW7yO3WqT2W"
upstream_id"687ee85b-7016-b217-44c6-f599270fc51a"
total_cost0.005277
cache_discount0.00153
upstream_inference_cost0
provider_name"xAI"

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences10
wordCounts
05
15
25
35
45
55
65
75
85
95