Run: 2026-03-06-01KK1JCVTT3DYME4CHW8SMDMY3

Run Details

Model:
GPT-5.4
Duration:
35.0s
Cost:
$0.019940
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, where the scent of hay and leather hung thick in the evening air, a broad-shouldered knight stepped from the shadows of the archway. His mail gleamed faintly beneath a dark surcoat marked with the castle’s sigil, and a weathered scar ran from the corner of his brow to his cheek. He watched Frederick dismount with calm, measuring eyes before giving a short, approving nod. “You must be the new squire,” he said, his voice low and steady. “Frederick, is it? I am Sir Roland, sworn knight of this keep.” Frederick straightened at once, suddenly aware of the dust on his boots and the long road still clinging to his cloak. “Yes, sir,” he answered. “I arrived only moments ago.” Sir Roland reached for Thunder’s reins with practiced ease, soothing the restless stallion with a gloved hand along the neck. “A fine horse,” he remarked. “If he carried you this far before dusk, then he has heart—and perhaps his rider does as well.” There was no smile on the knight’s face, but neither was there harshness. Only the grave composure of a man who had seen many boys arrive at the castle gates, each thinking himself ready for the weight of sword and duty. “Come,” Sir Roland said, turning toward the stable doors. “The master of horse will see to your mount, and I will see to you. By morning, your training begins. Tonight, you eat, you listen, and you learn where you stand.” Frederick followed, the knight’s words settling over him like the first buckle of armor. Whatever dreams he had carried to the castle, they suddenly felt smaller, sharper, and far more real. </nc-section> <nc-section data-title="Version 2" data-color="green"> The stable yard bustled with the last labors of the day. Grooms hauled buckets, horses stamped in their stalls, and swallows darted beneath the eaves as Frederick led Thunder across the straw-strewn ground. Before he could call for help, a knight emerged from beside the water trough, fastening the clasp of his riding glove. He was taller than Frederick had expected, with iron-gray at his temples and a bearing as straight as a spear. A faded green cloak lay over one shoulder, and his sword hung at his side as though it belonged there as naturally as an arm. He studied Frederick for a moment, then inclined his head. “Frederick,” he said, as if confirming something already known. “Welcome to the castle. I am Sir Roland.” Frederick bowed awkwardly, nearly losing his grip on the reins. “An honor, sir.” Sir Roland’s mouth twitched with the faintest hint of amusement. “We shall see whether you still say that after a month in the yard.” He stepped closer and laid a hand on Thunder’s bridle. The stallion tossed his head once, then settled. “You handle him well enough. That is a beginning.” The knight glanced toward the darkening sky, where the first star had begun to show. “You are late, but not unforgivably so. Supper has not yet been cleared, and the castle is kinder to those who arrive hungry than to those who arrive foolish.” His gaze returned to Frederick, sharp now, though not unkind. “Tell me, boy—did you come here seeking glory, or discipline?” Frederick hesitated. The answer he might once have given seemed childish beneath Sir Roland’s steady look. “To serve,” he said at last. Sir Roland nodded once. “Good. Then perhaps there is hope for you yet.” He gestured toward the stable hall. “Bring your horse in. After that, I will show you where squires sleep—and where they are tested.” </nc-section> <nc-section data-title="Version 3" data-color="blue"> Frederick had scarcely slid from Thunder’s back when he heard the ring of spurs on stone. He turned to see a knight crossing the stable yard with unhurried purpose, his crimson-tabarded silhouette framed by the lantern glow spilling from the open doors. The man’s face was stern, lined by years of weather and war, yet his eyes were clear and keen. “So,” the knight said, stopping before him, “the new squire has arrived at last.” Frederick dipped his head, trying to hide his nerves. “Yes, sir.” The knight gave him a long look, taking in the travel-stained cloak, the road dust, the tired horse, and the boy beneath all of it. At length, he extended his hand—not for Frederick, but for the reins. “Sir Roland,” he said. “These stables answer to my watch as much as any training yard. If you mean to live here, you’ll learn quickly that a knight’s first judgment is often made by the condition of his horse.” Frederick surrendered the reins at once. “Then I hope I have not failed the first test.” At that, Sir Roland let out a quiet breath that might almost have been a laugh. He ran his hand along Thunder’s neck, checking for sweat and strain with the ease of long practice. “No,” he said. “You watered him before the climb, and you did not ride him lame. Better than some older men I’ve known.” A flicker of relief passed through Frederick, but it vanished when Sir Roland fixed him with a sharper gaze. “Do not mistake a fair beginning for an easy road. This castle does not polish boys into knights by kindness alone.” From within the stables came the low murmur of grooms and the soft shifting of hooves. Sir Roland turned and motioned for Frederick to follow. “Come. Night falls, and there is much for you to learn before dawn. A squire’s life begins not with a sword in hand, but with obedience.” Frederick followed him into the warm, hay-scented light of the stables, where the first chapter of his new life seemed to open with every step. </nc-section>
created_at"2026-03-06T12:36:41.956Z" 3/6/2026, 12:36:41 PM
model"openai/gpt-5.4-20260305"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency428
moderation_latency(null)
generation_time34988
tokens_prompt318
tokens_completion1487
native_tokens_prompt302
native_tokens_completion1279
native_tokens_completion_images0
native_tokens_reasoning0
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"
usage0.01994
router(null)
provider_responses
0
endpoint_id"9ff5625c-403f-4d7f-b895-58ac7295062c"
id"resp_0bffe74ba0bc82660169aaca5a072c8190b48f04cedc4cb8c2"
is_byokfalse
latency215
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-1772800601-51rw9XYanoUwWK0vmifG"
upstream_id"resp_0bffe74ba0bc82660169aaca5a072c8190b48f04cedc4cb8c2"
total_cost0.01994
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