Run: 2026-03-12-01KKHZ4JKV6PANWGGXS04RQ31W

Run Details

Duration:
5.1s
Cost:
$0.008914
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 wealthy businessman lay dead upon the antique Persian carpet. Blood stained the expensive rug beneath his still lifeless body. A mysterious note rested near the sharp silver letter opener. The frightened servants whispered secrets in the dark hallway shadows. The inspector arrived promptly to investigate the gruesome murder scene.
created_at"2026-03-12T21:27:12.769Z" 3/12/2026, 9:27:12 PM
model"x-ai/grok-4.20-beta-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency4921
moderation_latency(null)
generation_time5053
tokens_prompt46
tokens_completion84
native_tokens_prompt159
native_tokens_completion1471
native_tokens_completion_images0
native_tokens_reasoning1416
native_tokens_cached128
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"
usage0.0089136
router(null)
provider_responses
0
endpoint_id"33f49f24-a0de-4dcf-872d-ca514e83fbae"
id"2806893a-89bd-2012-6261-527f411968d9"
is_byokfalse
latency279
model_permaslug"x-ai/grok-4.20-beta-20260309"
provider_name"xAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer(null)
api_type"completions"
id"gen-1773350832-VZk9CVwB1wNrPwrYpvam"
upstream_id"2806893a-89bd-2012-6261-527f411968d9"
total_cost0.0089136
cache_discount0.0002304
upstream_inference_cost0
provider_name"xAI"

Evaluation details

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