Run: 2026-09-03-01M1K4QPADY1P6EVPVN9V9VD2Y

Run Details

Duration:
10.5s
Cost:
$0.006019
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
Here are three alternate continuations: <nc-section data-title="Version 1 - A Stern Greeting" data-color="red"> Frederick had barely dismounted at the stables, his legs stiff from the long ride, when a broad shadow fell over him. Sir Roland stood there, arms crossed over his plate and mail, his beard more grey than brown and his face lined from years of sun and battle. "You the new squire?" he barked, his voice carrying over the snorts and shuffling of horses. "Frederick, is it? You took your time. Stable your beast properly — brush him down, feed him, water him — before you see to yourself. We do things right in this castle, boy. No shortcuts. Leave Thunder here and follow me. I'll show you where you'll sleep, if you can stand the draft." </nc-section> <nc-section data-title="Version 2 - A Warm Welcome" data-color="green"> The smell of hay and horses was still new to Frederick when a hearty laugh rang out from the stable doors. "And you must be Frederick!" Sir Roland was not at all what he had expected — younger than the stories had made him, with kind eyes and a straw stalk tucked between his teeth. The knight clapped a gauntleted hand warmly on Frederick's shoulder. "Welcome, lad. I'm Roland. I remember my first day arriving at these stables — nervous as a colt, just like you. Come, let's get Thunder settled. The stableboys will show you the tack room, and then I'll get you a hot meal. You must have a hundred questions, and I'm happy to answer them all." </nc-section> <nc-section data-title="Version 3 - An Ominous Welcome" data-color="blue"> Frederick was leading Thunder toward the low stone stables as dusk deepened, when he realized a knight was already watching him in the gloom. Sir Roland leaned against a wooden post, his cloak pulled tight, his expression unreadable. "Frederick," he said quietly, as if he had been expecting him for some time. "So you have come at last." He stepped forward and took Thunder's reins, his eyes never leaving Frederick's face. "The horses have been restless all week. They sense things we have forgotten how to feel." He handed the reins back. "Tend to your horse, squire. Then find me in the chapel. There are things about this castle — and what sleeps beneath the mountain — that your training must prepare you for." </nc-section>
created_at"2026-09-03T08:04:02.004Z" 9/3/2026, 8:04:02 AM
model"meta/muse-spark-1.2-20260805"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency3162
moderation_latency(null)
generation_time10508
tokens_prompt303
tokens_completion630
native_tokens_prompt303
native_tokens_completion1327
native_tokens_completion_images0
native_tokens_reasoning745
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"
usage0.0060185
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer(null)
request_id"req-1788422642-2TLXShJwB7v2DbeeLT8A"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1788422642-0pwRZ2u1KwtEjUHicSYJ"
upstream_id"resp_6a9929f27e6d7204f2424554"
provider_responses
0
endpoint_id"ffc8e76e-808a-44d2-bd21-c6ac16e721cb"
id"resp_6a9929f27e6d7204f2424554"
is_byokfalse
latency431
model_permaslug"meta/muse-spark-1.2-20260805"
provider_name"Meta"
status200
total_cost0.0060185
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