Run: 2026-03-18-01KM07HD35W01DFDA6G5ZZDEVK

Run Details

Duration:
3.2s
Cost:
$0.002328
Provider:
OpenAI

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" data-color="red"> Near the stables, Frederick found Sir Roland waiting with one hand resting on the worn wooden beam, his armor dulled by years of service but polished where it mattered most. “You must be Frederick,” the knight said, offering a firm, measured smile. “Welcome to the castle. If you can learn to listen to a horse as well as you listen to your betters, you may yet make a fine squire.” Behind him, the stable boys paused to stare as Roland nodded toward the rows of stalls, where the smell of hay, leather, and warm breath filled the air. </nc-section> <nc-section data-title="Version 2" data-color="green"> Frederick had scarcely crossed the yard before a broad-shouldered knight strode out from the stables, sunlight glinting off his silvered helm. “You there,” Sir Roland called, his voice carrying easily over the clatter of hooves and the soft snorts of horses. “I was told a new squire would arrive today.” He stopped before Frederick and gave him a sharp, appraising look, then softened by a fraction. “Come along. I’ll show you where the mounts are kept—and where you’ll learn the first rule of castle service: the horses come before the pride of men.” </nc-section> <nc-section data-title="Version 3" data-color="blue"> The stables stood just beyond the inner yard, half in shadow and rich with the earthy scent of straw. As Frederick approached, a knight in a weather-darkened cloak stepped from the doorway, the emblem on his surcoat faded but still proud. “Frederick, isn’t it?” Sir Roland said, studying the young squire with steady gray eyes. He reached out and clapped a reassuring hand on Frederick’s shoulder. “You’ve arrived at a good hour. The horses are calm, the day is waning, and there is still time for you to learn something useful before supper.” He turned toward the stalls, expecting Frederick to follow. </nc-section>
created_at"2026-03-18T10:23:23.765Z" 3/18/2026, 10:23:23 AM
model"openai/gpt-5.4-mini-20260317"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2320
moderation_latency(null)
generation_time2791
tokens_prompt318
tokens_completion613
native_tokens_prompt302
native_tokens_completion467
native_tokens_completion_images0
native_tokens_reasoning20
native_tokens_cached0
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
usage0.002328
router(null)
provider_responses
0
endpoint_id"9ee065b2-3d1c-43bc-bdd7-28af3b148282"
id"resp_0f93bf2e46dfbe070169ba7d1bd28c81969f201c7ceffa1704"
is_byokfalse
latency180
model_permaslug"openai/gpt-5.4-mini-20260317"
provider_name"OpenAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer(null)
api_type"completions"
id"gen-1773829403-vOxLGuVhQCbBXdQFO1SY"
upstream_id"resp_0f93bf2e46dfbe070169ba7d1bd28c81969f201c7ceffa1704"
total_cost0.002328
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"

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