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Run: 2026-07-25-01KYD50G0QXFETY7NPR4DR9SH3
Run Details
Model:
Muse Spark 1.1 (Reasoning, Minimal)
Test:
N-Length Sentences
Scenario:
Write sentences with 20 words each
Duration:
7.9s
Cost:
$0.005901
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
Messages
Meta
AI
Rain hammered the cobblestones outside Marlow's Bookshop where Detective Elara Quinn found Mr. Finch dead among scattered first editions tonight. He lay sprawled beneath the ladder, spectacles cracked, holding a bloodstained receipt dated yesterday evening that nobody should ever possess. Elara knelt carefully, noting ink under his fingernails and faint vanilla perfume lingering in cold air despite open windows tonight. The shopkeeper's wife, Mrs. Abernathy, sobbed quietly near the register, insisting Finch had no enemies whatsoever until this terrible midnight. Outside, lightning revealed a fresh muddy footprint leading away from the back door toward darkness where someone still waited silently.
created_at
"2026-07-25T17:26:18.398Z"
7/25/2026, 5:26:18 PM
model
"meta/muse-spark-1.1-20260709"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
7290
moderation_latency
(null)
generation_time
7871
tokens_prompt
46
tokens_completion
179
native_tokens_prompt
199
native_tokens_completion
1330
native_tokens_completion_images
0
native_tokens_reasoning
1178
native_tokens_cached
0
num_media_prompt
(null)
num_input_audio_prompt
(null)
num_media_completion
0
num_search_results
(null)
num_fetches
(null)
web_search_engine
(null)
origin
"https://ncbench.com/"
is_byok
false
finish_reason
"stop"
native_finish_reason
"completed"
service_tier
"auto"
usage
0.00590125
router
(null)
provider_responses
0
endpoint_id
"b2b9f6f9-8880-41c1-bd0c-867650fd5238"
id
"resp_6a64f1ba1ce2134ddc6f4ea7"
is_byok
false
latency
270
model_permaslug
"meta/muse-spark-1.1-20260709"
provider_name
"Meta"
status
200
user_agent
"langchainjs-openai/1.0.0 ((node/v24.18.0; linux; x64))"
http_referer
(null)
request_id
"req-1785000378-bq0UyL2KrvruI7nEzKdY"
session_id
(null)
preset_id
(null)
api_type
"completions"
id
"gen-1785000378-6jE6eQS18rvc8VbUcx5u"
upstream_id
"resp_6a64f1ba1ce2134ddc6f4ea7"
total_cost
0.00590125
cache_discount
(null)
upstream_inference_cost
0
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
neededClean
false
sentences
5
wordCounts
0
20
1
20
2
20
3
20
4
20