Run: 2026-03-09-01KKABZK2W8MX5K1K8A96WC25X

Run Details

Duration:
27.4s
Cost:
$0.016625
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, the scent of hay and leather hung thick in the evening air. Frederick had scarcely swung down from Thunder's back when a broad-shouldered knight stepped from the shadow of the stable doors. His mail gleamed faintly beneath a dark surcoat, and a sword rested easily at his side, as though it were part of him. "You must be Frederick," the knight said, his voice steady and warm. "I am Sir Roland, keeper of these grounds and master of the squires when the captain is away." Frederick straightened at once, brushing dust from his tunic. "Yes, sir. I arrived just before sunset." Sir Roland gave a small nod, his sharp eyes taking the measure of him. "Good. A castle wakes early, and it has little patience for boys who sleep late." Then, to Frederick's surprise, the stern line of the knight's mouth softened into the hint of a smile. He stepped forward and laid a gloved hand on Thunder's neck. "A fine horse. You've cared for him well. That says much." The stablehands came hurrying to take the reins, but Sir Roland raised a hand for them to wait. "First lesson," he said, turning back to Frederick. "In this place, you do not hand off your burdens until you have seen them safely settled." Frederick swallowed and nodded. "Yes, Sir Roland." "Come, then," said the knight. "Show me whether you are merely a boy sent to serve, or one fit to be forged into something greater." </nc-section> <nc-section data-title="Version 2" data-color="green"> Frederick led his horse toward the stables, where lantern light spilled across the yard in golden pools. Chickens scattered beneath the hooves, and somewhere inside, a groom muttered at a stubborn mule. Before Frederick could call for assistance, a knight emerged from between the stalls, ducking under the low beam with practiced ease. He was older than Frederick had expected, with silver at his temples and a weathered face marked by an old scar along the jaw. Yet his eyes were lively, and there was humor in them. "So," the knight said, folding his arms across his breastplate, "the new squire has arrived at last." Frederick bowed awkwardly. "Frederick, sir." "Sir Roland," the man replied. "And if you bow that low every time someone speaks to you, you'll spend half your life staring at dirt." Frederick blinked, uncertain whether he had been rebuked. Then Sir Roland chuckled, and some of the tightness in Frederick's chest eased. "Easy, lad. You'll learn soon enough that steel, horses, and men all prefer a steady hand to a trembling one." He reached for Thunder's bridle and inspected the buckles with quick, capable fingers. "You've ridden hard, but not carelessly. Good. I can work with that." The knight gestured toward the long row of stalls. "Get your mount watered and rubbed down. After that, I'll show you where you sleep and explain what is expected of you. In this castle, every lesson begins before dawn." Frederick glanced toward the towering keep, then back to Sir Roland. The road behind him already felt far away. </nc-section> <nc-section data-title="Version 3" data-color="blue"> As Frederick approached the stables, he heard the ring of a whetstone and the restless stamping of horses within. The stable yard was washed in twilight, half purple and half gold, and beside the open doors stood a knight in a deep blue cloak, watching his arrival in silence. Frederick dismounted and nearly stumbled from stiffness, but caught himself before he could fall. The knight's brows lifted slightly. "A long ride?" he asked. "Yes, sir," Frederick answered, recovering his composure. The knight inclined his head. "Then you have done well to stay in the saddle. I am Sir Roland." The name carried weight even Frederick had heard before reaching the castle. He dropped to one knee instinctively, but Sir Roland motioned him up at once. "Save that for the great hall," Sir Roland said. "Out here, what matters is whether you can work." A stableboy came running to take the reins, but Sir Roland stopped him with a glance. He looked instead to Frederick. "Unsaddle your horse yourself. Rub him down, check his hooves, and make certain he has feed. A knight who neglects his mount is no knight at all. If you are to train here, remember that." Frederick nodded and led Thunder inside, his arms aching from the journey yet his heart quickening with purpose. Sir Roland walked beside him through the dim stable, lantern light flickering across wood beams and polished tack. "Once you're done," the knight said, "you will eat. At dawn, your true welcome begins." </nc-section>
created_at"2026-03-09T22:37:45.45Z" 3/9/2026, 10:37:45 PM
model"openai/gpt-5.4-20260305"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1047
moderation_latency(null)
generation_time27291
tokens_prompt318
tokens_completion1200
native_tokens_prompt302
native_tokens_completion1058
native_tokens_completion_images0
native_tokens_reasoning11
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"
usage0.016625
router(null)
provider_responses
0
endpoint_id"9ff5625c-403f-4d7f-b895-58ac7295062c"
id"resp_09070e1cfb20b3800169af4bb986148195b16e49846e6c59c5"
is_byokfalse
latency253
model_permaslug"openai/gpt-5.4-20260305"
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-1773095865-7wWMKzn9h67gBAe7ZZSY"
upstream_id"resp_09070e1cfb20b3800169af4bb986148195b16e49846e6c59c5"
total_cost0.016625
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