Run: 2026-09-03-01M1K584BP6YQB05P7M4JQY0H0

Run Details

Duration:
5.3s
Cost:
$0.004872
Provider:
Meta

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
Rain hammered the old mansion. Detective Mara arrived precisely midnight. The victim lay unnaturally still. Blood pooled beneath antique chandelier. No footprints marked dusty floor. Someone locked doors from inside. Murder whispered without uttering sound.
created_at"2026-09-03T08:13:00.668Z" 9/3/2026, 8:13:00 AM
model"meta/muse-spark-1.2-20260805"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2945
moderation_latency(null)
generation_time5259
tokens_prompt46
tokens_completion108
native_tokens_prompt42
native_tokens_completion1134
native_tokens_completion_images0
native_tokens_reasoning1034
native_tokens_cached0
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"auto"
usage0.004872
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer(null)
request_id"req-1788423180-urjTdj2IouMUSkYIq2t6"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1788423180-z4ueZq4u9Rwx8SmMBsRM"
upstream_id"resp_6a992c0d371d6c562f0c4876"
provider_responses
0
endpoint_id"ffc8e76e-808a-44d2-bd21-c6ac16e721cb"
id"resp_6a992c0d371d6c562f0c4876"
is_byokfalse
latency427
model_permaslug"meta/muse-spark-1.2-20260805"
provider_name"Meta"
status200
total_cost0.004872
cache_discount(null)
upstream_inference_cost0
provider_name"Meta"
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
sentences7
wordCounts
05
15
25
35
45
55
65