Run: 2026-03-06-01KK1GN9VRX34CM73757RGV830

Run Details

Model:
GPT-5.4
Duration:
25.9s
Cost:
$0.016430
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 slid down from Thunder's back, his boots striking the packed earth with a nervous thud. Before he could gather his reins, a broad-shouldered knight stepped from the stable shadows, his mail catching the last red light of sunset. "You'll be Frederick," the man said, his voice deep but not unkind. Frederick straightened at once. "Yes, sir." The knight gave a short nod. "Sir Roland. I oversee the squires when the captain is away, and I have no patience for idleness, sloppiness, or lies." His stern expression held for a moment longer before easing into the faintest smile. "If you can avoid those, you may yet survive this place." Frederick let out the breath he had been holding and managed a small smile of his own. Sir Roland stepped closer and laid a gloved hand against Thunder's neck. The stallion snorted, but did not shy away. "Fine horse," the knight said. "And a long road behind you, by the look of the dust on your cloak. Come. The stable boys will see to your mount, and I'll show you where you belong." As the stable doors creaked open and lamplight spilled across the yard, Frederick followed Sir Roland into the heart of castle life, feeling that his true journey had only just begun. </nc-section> <nc-section data-title="Version 2" data-color="green"> Frederick had barely led Thunder toward the stables when a knight emerged from between the wooden stalls, carrying his helm beneath one arm. He was a tall man, weathered and square-faced, with a scar cutting across one eyebrow and eyes sharp enough to make Frederick stand straighter without being told. "So," the knight said, looking him over, "the new squire has finally arrived." Frederick bowed his head. "Frederick, sir." "Sir Roland," the man replied. "Local knight of this keep, master of the yard when duty calls, and the one who'll know if you're worth the bread you eat." His tone was firm, but there was a spark of amusement hidden in it. Thunder stamped once, and Sir Roland turned his attention to the horse. He ran a practiced eye over the stallion's frame and tack. "You kept your mount in good condition on the road. That's something." He glanced back at Frederick. "Most boys arrive here thinking swordplay is the heart of knighthood. It isn't. Care, discipline, and service come first. Remember that." "I will, sir," Frederick said quickly. Sir Roland nodded toward the stable entrance, where lantern light glimmered against polished harness and rows of stalls. "Good. Then start by seeing your horse settled. After that, you'll eat, wash, and present yourself in the lower hall. Castle life begins at dawn, and dawn shows little mercy." Frederick swallowed his nerves and followed, listening to the rustle of hay and the muted sounds of horses as he stepped into the stable beside the knight who would shape his new life. </nc-section> <nc-section data-title="Version 3" data-color="blue"> The stable yard was alive with evening sounds—horses shifting in their stalls, chickens muttering somewhere in the fading light, and the low murmur of servants finishing the day's work. Frederick had only just taken hold of Thunder's reins when a man in chainmail and a dark blue surcoat approached from the stable doors. He moved with the easy confidence of someone long obeyed. A sword hung at his side, and though his face was lined by years and weather, there was strength in every step. "You must be Frederick," he said. "Yes, sir," Frederick answered, trying not to sound as tired as he felt. The knight inclined his head. "I am Sir Roland. Welcome to Castle Eldren." There was something reassuring in the way he spoke the words, as though the castle might become a home if Frederick proved worthy of it. Sir Roland's gaze drifted to Thunder, and he gave an approving hum. "A good beast," he said. "Any boy who cares properly for his horse has been taught at least one thing right." Frederick felt a flicker of pride. "My father insisted on it." "A wise father," Sir Roland replied. He gestured toward the open stable. "Come, then. A squire's life begins with duty, and duty begins here. We see to the horse before we see to ourselves." Frederick followed him into the warm, lantern-lit stable, where the scent of straw and cedar mingled in the air. As Sir Roland called for a groom and began explaining the order of the evening, Frederick listened closely. The knight's voice was calm, firm, and certain—the kind of voice that made a boy believe he had arrived at the threshold of something greater than himself. </nc-section>
created_at"2026-03-06T12:06:21.312Z" 3/6/2026, 12:06:21 PM
model"openai/gpt-5.4-20260305"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency347
moderation_latency(null)
generation_time25864
tokens_prompt318
tokens_completion1212
native_tokens_prompt302
native_tokens_completion1045
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"
usage0.01643
router(null)
provider_responses
0
endpoint_id"9ff5625c-403f-4d7f-b895-58ac7295062c"
id"resp_04fc315c6bae0cb10169aac33d5de881908a2407cec96c52a5"
is_byokfalse
latency132
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-1772798781-F2MAzP1U787q9FaevUqQ"
upstream_id"resp_04fc315c6bae0cb10169aac33d5de881908a2407cec96c52a5"
total_cost0.01643
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