NC Bench
Overview
About
Tests
Categories
Models
Vendors
Compare
Run: 2026-09-03-01M1K516Z76CNPTYYDP0D7V7JR
Run Details
Model:
Muse Spark 1.3 (Reasoning, Medium)
Test:
Dialogue tags
Scenario:
Write unattributed dialogue
Duration:
50.7s
Cost:
$0.011998
Provider:
Meta
Evaluation summary
Score
Evaluator
Details Link
100.00%
Count dialogue tags
(details)
Model input
User/Human
You are an expert novel writer in the cozy mystery genre. Write a scene of about 200 words, with dialogue between two characters. The dialogue should be unattributed, meaning the speaker is not explicitly mentioned. The scene should be set in a small town bakery. Only return the story, nothing else.
Model response
Messages
Meta
AI
The bell over the door of the Bluebird Bakery jingled, letting in damp autumn air and the smell of wet leaves. Inside, cinnamon and warm butter hung thick. A tray of morning buns glistened under the glass. Pumpkin loaves cooled on the rack, their tops cracked and sugared. “You’re out of apple turnovers again?” “Gone by seven. Same order, same note, same exact change.” “Third morning in a row? That’s not a craving, that’s a pattern.” “Someone swears they saw lights here after midnight. Flour on the back step this morning, like footprints.” “You think someone’s baking here at night?” “I think someone’s practicing. The crust yesterday was tougher. Today it flaked just right.” “So our midnight thief is learning?” “And leaving money. Twelve dollars, nickels and dimes counted twice.” “You should leave a note back.” “I did. Under the empty tray. I wrote, try more salt.” “You didn’t.” “The buns sold out in ten minutes. Somebody’s listening.” “Then we’ll need more apples tomorrow.” “Already ordered. And extra locks?” “No. Extra butter.” Outside, rain eased. The chalkboard menu squeaked as it was wiped clean, and the scent of fresh coffee curled through the quiet.
created_at
"2026-09-03T08:09:13.966Z"
9/3/2026, 8:09:13 AM
model
"meta/muse-spark-1.3-20260902"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
5743
moderation_latency
(null)
generation_time
50696
tokens_prompt
78
tokens_completion
441
native_tokens_prompt
68
native_tokens_completion
2803
native_tokens_completion_images
0
native_tokens_reasoning
2420
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
0.01199775
router
(null)
user_agent
"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer
(null)
request_id
"req-1788422953-v8H8lgveWqvfgLBabFb1"
session_id
(null)
preset_id
(null)
api_type
"completions"
id
"gen-1788422953-SRl8tD7453HtcFsRa5O4"
upstream_id
"resp_6a992b2a3d05734c52e94ebc"
provider_responses
0
endpoint_id
"cf4f1b4e-1719-4b65-9111-7dd7635e5a2f"
id
"resp_6a992b2a3d05734c52e94ebc"
is_byok
false
latency
576
model_permaslug
"meta/muse-spark-1.3-20260902"
provider_name
"Meta"
status
200
total_cost
0.01199775
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%
Count dialogue tags
n/a
neededClean
false
dialogueTags
(empty)