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Run: 2026-09-03-01M1K5ARR30GY0T1ZPCWE1EME0
Run Details
Model:
Muse Spark 1.3 (Reasoning, Medium)
Test:
Tool usage within Novelcrafter
Scenario:
Create alternate prose sections
Duration:
16.4s
Cost:
$0.005487
Provider:
Meta
Evaluation summary
Score
Evaluator
Details Link
Pass
Match blue prose section
(details)
Pass
Match green prose section
(details)
Pass
Match red prose section
(details)
no eval
Overall
Model input
System
You are an expert fantasy novel author. You are working on a novel called "The Chronicles of the Last Dragon". The following tools are available to you: - <nc-section> Use this tool to create a new section of prose. Arguments: - "data-title": The title of the section. - "data-color": Any color of (red, green, blue, yellow, purple, orange, pink, brown). Example usage: <nc-section data-title="Chapter 1: The Arrival" data-color="blue"> Frederick, a young squire, arrives at the castle to begin his training. </nc-section>
User/Human
The story so far: <storySoFar> Frederick, a young squire, arrives at the castle to begin his training. </storySoFar>
AI
My horse, a majestic stallion named Thunder, galloped across the open field. The wind whipped through my hair as I rode towards the castle gates. The sun was setting, casting a warm glow over the stone walls. I could see the banners of the kingdom fluttering in the breeze.
User/Human
Continue the story with the following instructions: """The local knight, Sir Roland, greets Frederick near the stables.""" Create 3 alternate prose sections that continue the story. - Version 1 (red) - Version 2 (green) - Version 3 (blue)
Model response
Messages
Meta
AI
<nc-section data-title="Version 1 - The Knight's Inspection" data-color="red"> Frederick had barely dismounted at the stables, his legs stiff from the long ride on Thunder, when a tall shadow fell across the straw. Sir Roland, broad-shouldered in a dented breastplate, arms crossed over his tabard, looked him up and down without a smile. "So you're the new squire," he rumbled, his voice like stone on stone. "Stable your horse properly. Groom him, feed him, then report to the yard. We start training at dawn, and I don't suffer latecomers or layabouts." </nc-section> <nc-section data-title="Version 2 - A Warm Welcome" data-color="green"> The smell of hay and horses filled the air as Frederick led Thunder into the cool shade of the stables. Before he could unsaddle, a hearty laugh rang out. "Welcome, young traveler!" Sir Roland strode forward, steel-grey beard split by a grin, and clasped Frederick firmly by the shoulder. "I am Roland, keeper of this sorry lot of squires. You must be Frederick. Fine horse you've got there. Come, let's get Thunder settled, and then we'll get some supper in you — training can wait till you've eaten." </nc-section> <nc-section data-title="Version 3 - Omen at the Stables" data-color="blue"> Twilight deepened over the courtyard as Frederick walked Thunder toward the stables, the banners above now still in the evening air. A figure was already waiting in the doorway, half-hidden in shadow. "Frederick," said Sir Roland quietly, as if he had known him long before this meeting. The old knight's eyes lingered not on the boy, but on the stallion, and something like recognition — or fear — crossed his face. "Few ride here on such horses anymore. Come. There is much we must speak of before your training begins." </nc-section>
created_at
"2026-09-03T08:14:27.081Z"
9/3/2026, 8:14:27 AM
model
"meta/muse-spark-1.3-20260902"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
3555
moderation_latency
(null)
generation_time
16402
tokens_prompt
303
tokens_completion
494
native_tokens_prompt
303
native_tokens_completion
1202
native_tokens_completion_images
0
native_tokens_reasoning
735
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
0.00548725
router
(null)
user_agent
"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer
(null)
request_id
"req-1788423267-cONuPpA2OVH0GvRLrh80"
session_id
(null)
preset_id
(null)
api_type
"completions"
id
"gen-1788423267-BAHyX0Cqx2iRRPUri9Pg"
upstream_id
"resp_6a992c64138d1fc34d6843ee"
provider_responses
0
endpoint_id
"cf4f1b4e-1719-4b65-9111-7dd7635e5a2f"
id
"resp_6a992c64138d1fc34d6843ee"
is_byok
false
latency
1270
model_permaslug
"meta/muse-spark-1.3-20260902"
provider_name
"Meta"
status
200
total_cost
0.00548725
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
Pass
Match blue prose section
/<nc-section data-title="[^"]*" data-color="blue">[^<]+<\/nc-section>/
n/a
Pass
Match green prose section
/<nc-section data-title="[^"]*" data-color="green">[^<]+<\/nc-section>/
n/a
Pass
Match red prose section
/<nc-section data-title="[^"]*" data-color="red">[^<]+<\/nc-section>/
n/a
no eval