Run: 2026-07-25-01KYD4SBM30QFE1HKCAXCF7YGD

Run Details

Model:
Muse Spark 1.1 (Reasoning, Medium)
Test:
N-Length Sentences
Scenario:
Write sentences with 5 words each
Duration:
6.8s
Cost:
$0.005276
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
The lighthouse stopped blinking tonight. Rain hammered the coastal village. Detective Mara arrived soaked, silent. Sheriff Doyle waited inside doorway. Body lay sprawled near fireplace. Blood mixed with spilled coffee. No footprints marked dusty floor. Window remained locked from inside. Yet victim stared toward window. Mara noticed something clutched tightly. Small brass key glistened faintly. Lighthouse logbook lay wide open. Last entry read he knows.
created_at"2026-07-25T17:22:24.522Z" 7/25/2026, 5:22:24 PM
model"meta/muse-spark-1.1-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency6347
moderation_latency(null)
generation_time6768
tokens_prompt46
tokens_completion118
native_tokens_prompt199
native_tokens_completion1183
native_tokens_completion_images0
native_tokens_reasoning1079
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"
usage0.0052765
router(null)
provider_responses
0
endpoint_id"b2b9f6f9-8880-41c1-bd0c-867650fd5238"
id"resp_6a64f0d08d508015cfc942e8"
is_byokfalse
latency215
model_permaslug"meta/muse-spark-1.1-20260709"
provider_name"Meta"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.18.0; linux; x64))"
http_referer(null)
request_id"req-1785000144-twFeIVDFAGrQf6ZABDJy"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1785000144-B4WILFrhNTIRvOvu7YCg"
upstream_id"resp_6a64f0d08d508015cfc942e8"
total_cost0.0052765
cache_discount(null)
upstream_inference_cost0
provider_name"Meta"
response_cache_source_id(null)
data_region"global"

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences13
wordCounts
05
15
25
35
45
55
65
75
85
95
105
115
125