Run: 2026-07-25-01KYD6SN2KN5VJXTHYN15YKZA3

Run Details

Model:
Muse Spark 1.1 (Reasoning, Minimal)
Test:
N-Length Sentences
Scenario:
Write sentences with 20 words each
Duration:
7.0s
Cost:
$0.004520
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 20 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
The rain hammered downtown Seattle while Detective Mara Quinn stared at the unmoving body near Pike Place Market entrance tonight. The victim wore an expensive navy overcoat, but his bare feet suggested something deeply unsettling had happened earlier tonight here. Quinn knelt beside him, noting the single clean stab wound and the strange silver coin clenched tightly inside his palm. Officer Jenkins approached hesitantly, whispering that the security cameras had recorded nothing unusual after midnight yesterday evening despite obvious circumstances. Quinn frowned, realizing this murder mirrored precisely the unsolved Harborview case from three winters ago exactly in chilling detail tonight.
created_at"2026-07-25T17:57:31.357Z" 7/25/2026, 5:57:31 PM
model"meta/muse-spark-1.1-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency5725
moderation_latency(null)
generation_time6897
tokens_prompt46
tokens_completion177
native_tokens_prompt199
native_tokens_completion1005
native_tokens_completion_images0
native_tokens_reasoning866
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"
usage0.00452
router(null)
provider_responses
0
endpoint_id"b2b9f6f9-8880-41c1-bd0c-867650fd5238"
id"resp_6a64f90b80a13c6625e14653"
is_byokfalse
latency420
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-1785002251-kZ8X5c0KLagewFcCBHsl"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1785002251-CUkQgkFxfymuroK8L7it"
upstream_id"resp_6a64f90b80a13c6625e14653"
total_cost0.00452
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
sentences5
wordCounts
020
120
220
320
420