Run: 2026-09-03-01M1K4RY18S1E642H0KNA1GP4Y

Run Details

Duration:
10.2s
Cost:
$0.006622
Provider:
Meta

Evaluation summary

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

AI
<nc-section data-title="Version 1: A Stern Welcome" data-color="red"> Frederick had barely dismounted near the stables, his legs still stiff from the long ride, when a tall shadow fell across him. The smell of hay and horses hung heavy in the air. "You must be Frederick," came a gruff voice. Sir Roland stood with his arms crossed, his steel breastplate still dusty from drills, his beard streaked with grey. He looked the boy up and down, from his mud-spattered boots to his nervous grip on the reins. "Squire, eh? We don't coddle squires here. Stable your horse properly, see that his hooves are cleaned, and then report to the yard. If you can tend a horse, perhaps you can learn to hold a sword." Though his words were hard, there was a flicker of approval in his eyes as Frederick quickly straightened and nodded. </nc-section> <nc-section data-title="Version 2: A Warm Welcome" data-color="green"> Near the stables, Frederick was struggling to lead Thunder into an empty stall when a hearty laugh rang out behind him. "Easy there, lad, he'll sense your nerves before you do," said Sir Roland. The knight was not at all what Frederick had expected — broad-shouldered but with a kind, weathered face and sleeves rolled up to reveal forearms marked by old scars. He stepped forward and took the reins with practiced ease, calming the stallion with a gentle hand. "Frederick, is it? Welcome to Stonehollow. I am Roland. I knew your father, and I am glad you have come." He clapped Frederick warmly on the shoulder. "Leave your bags. First, let's get your friend here settled with fresh water and oats, and then I'll show you where you'll be sleeping. You have arrived just in time for supper." </nc-section> <nc-section data-title="Version 3: An Ominous Welcome" data-color="blue"> The stables were quiet, the evening air cool and filled with the soft nickering of warhorses. As Frederick led his horse inside, he found a man already waiting in the dim light — Sir Roland, his cloak still damp from the evening mist, leaning silently against a post. "Frederick," the knight said quietly, as if he had been expecting him for some time. His eyes were sharp and distant, looking not at the boy but past him, toward the darkening mountains beyond the castle walls. "You chose a strange time to come to us for training." Frederick frowned, unsure. "Sir?" Roland stepped closer, his voice lowering. "The old keepers say the wind has changed. The dragons have not been seen in a hundred years, but the sky feels... watchful again. Tell me, squire — why did you truly come here?" The question hung in the cool stable air, heavier than any sword. </nc-section>
created_at"2026-09-03T08:04:42.671Z" 9/3/2026, 8:04:42 AM
model"meta/muse-spark-1.2-20260805"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2896
moderation_latency(null)
generation_time10160
tokens_prompt303
tokens_completion715
native_tokens_prompt303
native_tokens_completion1469
native_tokens_completion_images0
native_tokens_reasoning806
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"
usage0.006622
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer(null)
request_id"req-1788422682-m4vi5TubPmiCdfMInvyG"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1788422682-Ur3Kv9TR1ScNTWtAEbs2"
upstream_id"resp_6a992a1a0307fa3a1d014330"
provider_responses
0
endpoint_id"ffc8e76e-808a-44d2-bd21-c6ac16e721cb"
id"resp_6a992a1a0307fa3a1d014330"
is_byokfalse
latency373
model_permaslug"meta/muse-spark-1.2-20260805"
provider_name"Meta"
status200
total_cost0.006622
cache_discount(null)
upstream_inference_cost0
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