Run: 2026-11-11-01M7553GAX8SXA7J1QYNSNXJA4

Run Details

Duration:
4.0s
Cost:
$0.000760
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="Chapter 2: Sir Roland - Version 1" data-color="red"> At the stables, Sir Roland was waiting beside the hitching posts, his polished armor catching the last light of dusk. He stepped forward as Frederick dismounted from Thunder, extending a gauntleted hand. "You must be Frederick," he said, his voice stern but respectful. "I am Sir Roland, knight of this castle. Welcome, and know that a squire is judged first by how he cares for his horse, and second by how he holds his tongue." Frederick bowed low, feeling the weight of the knight's gaze as Roland inspected the stallion with a critical, approving eye.</nc-section> <nc-section data-title="Chapter 2: Sir Roland - Version 2" data-color="green"> Near the stables, a burly knight in a rain-spattered cloak waved Frederick over with a broad, friendly grin. "Well now, look who the road has delivered!" he laughed, clapping Frederick warmly on the shoulder. "I'm Sir Roland, and there's no finer welcome in the kingdom than the smell of hay and horse dung, eh?" He took Thunder's reins gently, scratching the horse behind the ear as if they were old friends. "You've ridden far, lad. Come, get your boots off, stretch those legs, and I'll see you fed before Master Alden even knows you've arrived."</nc-section> <nc-section data-title="Chapter 2: Sir Roland - Version 3" data-color="blue"> Sir Roland stood alone in the shadow of the stables, quiet as if he had been listening to the horses for some time. When Frederick arrived, the knight did not smile, but gave a single, measured nod. "Frederick," he said softly. "I am Sir Roland." He watched Thunder carefully, then Frederick, as though weighing something unspoken. "The stables are that way," he murmured, pointing toward the darkened doorway. "But be warned — of late, the horses have been restless at night, listening to something in the hills beyond the walls. Keep your ears open, squire. You may hear it too."</nc-section>
created_at"2026-11-11T11:15:17.991Z" 11/11/2026, 11:15:17 AM
model"meta/muse-ember-20261109"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1843
moderation_latency(null)
generation_time3999
tokens_prompt303
tokens_completion534
native_tokens_prompt318
native_tokens_completion1457
native_tokens_completion_images0
native_tokens_reasoning958
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"
usage0.0007603
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.22.2; linux; x64))"
http_referer(null)
request_id"req-1794395717-9FNrAcGrXtcuWKBKH1LG"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1794395717-rhswCxjgSAOabOMat4nh"
upstream_id"resp_6af44e4678618ea7d0f1421e"
provider_responses
0
endpoint_id"ea8469c2-ddf8-4985-8cf2-f5dc7e63e14c"
id"resp_6af44e4678618ea7d0f1421e"
is_byokfalse
latency919
model_permaslug"meta/muse-ember-20261109"
provider_name"Meta"
status200
total_cost0.0007603
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