Run: 2026-09-03-01M1K5PVPHKGBSYWNHTKNVNQ2K

Run Details

Duration:
6.3s
Cost:
$0.005050
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: Sir Roland's Greeting" data-color="red"> Frederick had barely dismounted from Thunder when a gruff voice cut through the clatter of the stable yard. "You must be the new squire." Sir Roland stood by the stable doors, arms crossed over his battered plate armor, his beard streaked with grey and his eyes sharp as steel. "I'm Sir Roland, master of this castle's squires. You're late. Stable your horse, and quickly — we drill at dawn whether you've slept or not. Leave your noble airs at the gate, boy. Here, you earn your keep." </nc-section> <nc-section data-title="Version 2: Sir Roland's Greeting" data-color="green"> As Frederick led Thunder toward the stables, a tall knight with a kind, weathered face stepped forward and took the stallion's reins gently from his hands. "Welcome, Frederick! I am Sir Roland," he said with a warm smile, his green cloak bearing the castle's crest. "We've been expecting you. You must have had a long ride — let the stablehands see to Thunder, he's a fine horse indeed. Come, I'll show you to your quarters and get you some supper. Your training begins tomorrow, but tonight, you rest." </nc-section> <nc-section data-title="Version 3: Sir Roland's Greeting" data-color="blue"> The stable yard was quiet, the air cool with the scent of hay and horses. Frederick was tending to Thunder when he felt a presence behind him. Sir Roland emerged from the shadows of the stable, his armor catching the last light of the setting sun. He did not smile. "Frederick," he said quietly, as if he had known his name long before his arrival. "I am Sir Roland. I have waited for you. The other squires train with swords and shields, but your path... your path will be different. Come with me. There is much to discuss before the night is over." </nc-section>
created_at"2026-09-03T08:21:03.319Z" 9/3/2026, 8:21:03 AM
model"meta/muse-spark-1.2-20260805"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2656
moderation_latency(null)
generation_time6133
tokens_prompt303
tokens_completion487
native_tokens_prompt303
native_tokens_completion1099
native_tokens_completion_images0
native_tokens_reasoning640
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"
usage0.0050495
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer(null)
request_id"req-1788423663-QkZTvT2C1xX7eKzS9fSF"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1788423663-jyjj3o7pE7HVdC4VNFe4"
upstream_id"resp_6a992defbe9b8859ebcf4386"
provider_responses
0
endpoint_id"ffc8e76e-808a-44d2-bd21-c6ac16e721cb"
id"resp_6a992defbe9b8859ebcf4386"
is_byokfalse
latency722
model_permaslug"meta/muse-spark-1.2-20260805"
provider_name"Meta"
status200
total_cost0.0050495
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