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Run: 2026-10-13-01M4TBW64G5FBS87G501RG8PYV
Run Details
Model:
Muse Wonder (Reasoning, Medium)
Test:
N-Length Sentences
Scenario:
Write sentences with 20 words each
Duration:
5.3s
Cost:
$0.022228
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
The rain hammered against the library windows while Detective Mara Ellison stared at the body slumped over the mahogany desk. A single silver letter opener protruded from his chest, and dark blood had pooled across the unfinished will beneath him. Outside, thunder rolled over Blackwood Manor as seven nervous guests waited in the hallway, each avoiding the others' accusing glances. Mara noticed the grandfather clock had stopped at midnight, its hands frozen precisely when someone had silenced Edmund Blackwood forever. She knelt beside the desk and discovered a torn photograph hidden underneath his trembling hand, still warm despite the storm. The photograph showed all seven guests smiling last summer, except one face had been carefully scratched out with something sharp. Then, from behind the locked library door, Mara heard slow breathing and realized the killer had never left the room.
created_at
"2026-10-13T10:10:35.801Z"
10/13/2026, 10:10:35 AM
model
"meta/muse-wonder-20261012"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
2368
moderation_latency
(null)
generation_time
5289
tokens_prompt
46
tokens_completion
277
native_tokens_prompt
42
native_tokens_completion
1103
native_tokens_completion_images
0
native_tokens_reasoning
879
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
0.022228
router
(null)
user_agent
"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer
(null)
request_id
"req-1791886235-pJyyXM2Tnd8iUKCRhXWL"
session_id
(null)
preset_id
(null)
api_type
"completions"
id
"gen-1791886235-kpbdgsuJMrWwRPJKYj0m"
upstream_id
"resp_6ace039c87caddc4bf274410"
provider_responses
0
endpoint_id
"1232618d-ebfe-4338-9b68-d9127a57c8dd"
id
"resp_6ace039c87caddc4bf274410"
is_byok
false
latency
564
model_permaslug
"meta/muse-wonder-20261012"
provider_name
"Meta"
status
200
total_cost
0.022228
cache_discount
(null)
upstream_inference_cost
0
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
neededClean
false
sentences
7
wordCounts
0
20
1
20
2
20
3
20
4
20
5
20
6
20