Run: 2026-09-03-01M1K4WVJCYXJ899DPWZSGET30

Run Details

Duration:
14.0s
Cost:
$0.006171
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 Knight's Inspection" data-color="red"> Frederick had barely dismounted from Thunder when a stern voice rang out from the shadow of the stables. "You must be the new squire. Frederick, is it?" A broad-shouldered knight in polished but dented plate approached, his grey beard neatly trimmed and his blue cloak bearing the sigil of a rearing stag. "I am Sir Roland, master of this yard. We expected you before sundown." Frederick straightened his back and bowed his head, trying to hide his breathlessness. "Yes, my lord. The road from Millhaven was longer than I anticipated." Sir Roland circled him slowly, eyes flicking from his mud-spattered boots to his nervous grip on Thunder's reins. He rested a heavy gauntleted hand on the stallion's flank, and Thunder, to Frederick's surprise, calmed instantly. "Good horse. Strong legs. You'll need to learn to care for him before you ever lift a sword, boy. A squire who cannot tend his steed is no squire at all. Come, stable him properly and I'll show you where you'll sleep." </nc-section> <nc-section data-title="Version 2 - A Warm Welcome" data-color="green"> The scent of hay and horses filled the stable yard as Frederick led Thunder through the great gates, his heart hammering with anticipation. "Well, you look exactly like your father when he first arrived here!" A hearty laugh boomed behind him. Frederick turned to see a knight with a sun-weathered face and kind eyes, wiping his hands on a cloth. His armor was half-unbuckled, as if he had just finished training. "Sir Roland?" Frederick asked, remembering the name from the letter. "The very same," the knight said with a wide grin, stepping forward to clasp Frederick's forearm in a firm, friendly grip. "Welcome to Stonehollow, lad. I'm to be your master while you train. Leave your horse to me — Thunder, was it? What a fine name for a fine beast." He gave Thunder an affectionate pat on the neck. "You must be starving from the road. Let's get this fellow settled with some oats and water, and then I'll get you a proper meal in the hall. You can tell me all about your journey." </nc-section> <nc-section data-title="Version 3 - An Ominous Greeting" data-color="blue"> Twilight had deepened by the time Frederick reached the stables, the castle walls casting long shadows across the cobblestones. The yard was quiet, save for the restless stamping of horses. He was fumbling with Thunder's saddle when he felt he was being watched. "You are late." Frederick spun around. A tall knight stood motionless at the stable entrance, his armor dark and unadorned, his face half-hidden in shadow. The air around him felt cold. "Sir Roland?" Frederick managed, his throat dry. The knight stepped into the lantern light, revealing keen, pale eyes that studied Frederick not with welcome, but with appraisal. "I am Roland. Lord Commander Aldric sent word you were coming. He said you showed promise." His gaze drifted past Frederick, towards the distant, jagged peaks of the Dragon's Spine mountains, barely visible against the darkening sky. "Promise is a fragile thing here. Many squires arrive eager. Few endure. Stable your horse, Frederick. Training begins at first light, and you will need your strength for what is to come." </nc-section>
created_at"2026-09-03T08:06:51.219Z" 9/3/2026, 8:06:51 AM
model"meta/muse-spark-1.2-20260805"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency5086
moderation_latency(null)
generation_time13920
tokens_prompt303
tokens_completion834
native_tokens_prompt303
native_tokens_completion1363
native_tokens_completion_images0
native_tokens_reasoning598
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"
usage0.0061715
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer(null)
request_id"req-1788422811-9koRpBrGWueo67j73zGT"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1788422811-BMIuV7Ixf1sVpUREI0QF"
upstream_id"resp_6a992a9b69a488f1bcce43a1"
provider_responses
0
endpoint_id"ffc8e76e-808a-44d2-bd21-c6ac16e721cb"
id"resp_6a992a9b69a488f1bcce43a1"
is_byokfalse
latency464
model_permaslug"meta/muse-spark-1.2-20260805"
provider_name"Meta"
status200
total_cost0.0061715
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