Run: 2026-09-03-01M1K5F3KPREN38SCMZXZ74AKD

Run Details

Duration:
17.8s
Cost:
$0.004993
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 - The Stern Welcome" data-color="red"> Frederick had barely dismounted at the stables, his boots still dusty from the road, when a tall figure in polished plate stepped from the shadows of the stable arch. Sir Roland, his beard streaked with grey and his cloak bearing the sigil of the castle, regarded the young squire with a stern, appraising eye. "You must be Frederick," he said, his voice gruff but not unkind. "I am Sir Roland, master-at-arms of this keep. Hand Thunder to the stable boy — you'll tend to your own gear, but we tend to our horses together here. Come, I'll show you where you'll bunk and where you'll bleed before you learn to swing a proper sword." </nc-section> <nc-section data-title="Version 2 - A Warm Greeting" data-color="green"> The smell of hay and horses still hung thick in the air near the stables when Frederick led Thunder to a trough. Before he could fumble with the saddle straps, a hearty laugh rang out behind him. "And you must be our new squire! Frederick, is it?" A broad-shouldered knight with a sun-worn face and kind eyes approached, offering a firm hand. "Sir Roland, at your service. Welcome to our corner of the kingdom, lad. Leave your horse to me — old Bramble here knows every newcomer. You've had a long ride; let's get you fed and tell you what training truly means in these walls." </nc-section> <nc-section data-title="Version 3 - An Ominous Welcome" data-color="blue"> Twilight had deepened by the time Frederick reached the stables, the stone walls cool and echoing with the nickering of horses. As he tied Thunder's reins, a voice spoke from the gloom within. "Frederick." Sir Roland emerged slowly, his armor catching the last blue light of dusk, his expression unreadable. "I have been waiting for you." Frederick bowed his head hastily. Sir Roland placed a heavy hand on his shoulder, his gaze drifting past the castle walls toward the distant, mist-shrouded peaks. "They told you that you came here to learn the sword and the lance," the knight said quietly. "But there are older things waking, squire. Things that will require more than steel. Come with me." </nc-section>
created_at"2026-09-03T08:16:49.277Z" 9/3/2026, 8:16:49 AM
model"meta/muse-spark-1.2-20260805"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency12004
moderation_latency(null)
generation_time17819
tokens_prompt303
tokens_completion588
native_tokens_prompt303
native_tokens_completion1148
native_tokens_completion_images0
native_tokens_reasoning599
native_tokens_cached241
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"
usage0.00499265
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer(null)
request_id"req-1788423409-IHRtqbltFL38CfpCqDtZ"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1788423409-ONt6uCKyzAXNsk9gIYAn"
upstream_id"resp_6a992cf9c759fd955cea4c5f"
provider_responses
0
endpoint_id"ffc8e76e-808a-44d2-bd21-c6ac16e721cb"
id"resp_6a992cf9c759fd955cea4c5f"
is_byokfalse
latency8636
model_permaslug"meta/muse-spark-1.2-20260805"
provider_name"Meta"
status200
total_cost0.00499265
cache_discount0.0002651
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