Run: 2026-11-11-01M753BYCT54D4JSB69D26NE6H

Run Details

Duration:
3.7s
Cost:
$0.000777
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 of the Stables" data-color="red"> Frederick reined in Thunder at the castle gates, his heart hammering with excitement and nerves. A stable boy took the stallion's reins, and as Frederick dismounted, a broad-shouldered man in polished mail stepped forward with a welcoming grin. The local knight, Sir Roland, greets Frederick near the stables. "You must be the new squire from the southern road," Sir Roland said, clapping Frederick warmly on the shoulder. "Welcome to Ravenhold. I'll see to your training myself — if your aim with a sword is half as good as your seat on that horse, you'll do well here." </nc-section> <nc-section data-title="Version 2: A Warning at the Stables" data-color="green"> The stable yard was quiet and shadowed, smelling of hay and iron, and the last dragon's mark burned faintly on the castle tower above. Frederick had barely led Thunder through the gates when a gaunt, scarred figure emerged from the gloom of the stalls. The local knight, Sir Roland, greets Frederick near the stables. He said nothing at first, only studied the boy and his horse with cold, knowing eyes. "No one rides in from the wilds unnoticed," Sir Roland said at last, his voice low. "Keep your horse close tonight. The folk here have learned what it means to be seen by something older than the kingdom." </nc-section> <nc-section data-title="Version 3: An Old Friend's Welcome" data-color="blue"> Thunder snorted and stamped, eager for water after the long ride, and Frederick laughed as he scratched the great stallion behind the ears. He hadn't noticed the old man leaning on a crooked walking stick by the stable door, chuckling at the pair of them. The local knight, Sir Roland, greets Frederick near the stables. "Ah, so that's Thunder I've heard so much about," he said, offering the stallion a bright red apple from his pocket. "And you must be Frederick. Rolled in like the hero of a song, eh? Come, lad, let an old knight show you where to sleep — and where not to trip over your own boots on the first day."</nc-section>
created_at"2026-11-11T10:44:57.376Z" 11/11/2026, 10:44:57 AM
model"meta/muse-ember-20261109"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1612
moderation_latency(null)
generation_time3700
tokens_prompt303
tokens_completion550
native_tokens_prompt318
native_tokens_completion1491
native_tokens_completion_images0
native_tokens_reasoning976
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"default"
usage0.0007773
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.22.2; linux; x64))"
http_referer(null)
request_id"req-1794393897-rKCEzEam69tbsZnudzAx"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1794393897-RUcsZ5ZcxiAfwWq1OY1b"
upstream_id"resp_6af44729676577e03f144473"
provider_responses
0
endpoint_id"ea8469c2-ddf8-4985-8cf2-f5dc7e63e14c"
id"resp_6af44729676577e03f144473"
is_byokfalse
latency638
model_permaslug"meta/muse-ember-20261109"
provider_name"Meta"
status200
total_cost0.0007773
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