Run: 2026-03-06-01KK1HM0BZHQ700N44AJ0SXSX0

Run Details

Model:
GPT-5.4
Duration:
21.8s
Cost:
$0.015530
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 smell of hay and leather hung thick in the cooling evening air. Frederick had scarcely swung down from his horse when a broad-shouldered knight stepped from the shadow of the stable doors. His mail gleamed dull silver beneath a surcoat marked with the castle’s device, and though his face was stern, there was no unkindness in it. “You must be Frederick,” the knight said, his voice steady and deep. “I am Sir Roland, master of the squires within these walls.” Frederick straightened at once, brushing travel dust from his tunic. “Yes, sir. I have come to begin my training.” Sir Roland gave a single nod, as if measuring the boy in that brief glance. “Then begin it now. A squire’s first lessons are not fought with sword or lance, but with patience, obedience, and care for the steed that carries him.” He took Thunder’s reins with practiced ease, then handed them back. “Stable your horse yourself. Water him, rub him down, and see that he is fed before you think of your own supper. If you do that well, perhaps there is hope for you yet.” Though Frederick’s arms ached from the long ride, he bowed his head. “Yes, Sir Roland.” At that, the knight’s stern mouth twitched into the faintest smile. “Good. When you are done, report to the lower hall. The castle wastes no time on late arrivals.” </nc-section> <nc-section data-title="Version 2" data-color="green"> Frederick led his horse toward the stables, where lantern light spilled in golden bars across the yard. Before he reached the open doors, a knight emerged to meet him, his boots crunching over the straw-strewn ground. He wore a dark green cloak over polished armor, and a sword hung easy at his side, as if it were part of him. “So,” the knight said, studying Frederick with sharp gray eyes, “the new squire has finally arrived.” Frederick swallowed his nervousness and bowed. “Frederick, sir.” “Sir Roland,” the man replied. “And if you are to stay here, you will learn to bow less and listen more.” The words were hard, but not cruel. Sir Roland reached up and patted the horse’s neck, and the animal settled at once. “A fine mount. You kept him well on the road. That tells me something.” Frederick looked up, surprised. “Something good, I hope.” “That remains to be seen,” Sir Roland said, though there was a glint of amusement in his eyes. He turned and motioned toward the stable. “Come. I’ll show you where your horse is kept, and after that, where you will sleep. Dawn comes early here, and training earlier still.” Frederick followed, heart pounding—not from fear now, but from the thrill of stepping at last into the life he had imagined. </nc-section> <nc-section data-title="Version 3" data-color="blue"> The stable yard was quieter than the rest of the castle, filled with the soft shifting of horses and the muted rustle of straw. As Frederick approached, leading his mount by the reins, a knight stood waiting beside the trough, as if he had known the exact moment the boy would arrive. He was older than Frederick had expected, with a weathered face, a neatly trimmed beard, and eyes that seemed to miss nothing. His red cloak was fastened with a bronze clasp shaped like a lion, and his gauntleted hand rested lightly on the pommel of his sword. “Frederick,” he said. The boy blinked. “Yes, sir.” “I am Sir Roland.” The knight stepped closer, looking first at Frederick, then at the dust-caked horse, then back again. “You’ve had a long ride.” “Yes, sir.” “And yet you sit straight and keep hold of your reins. Good. Some boys arrive here already defeated by the road.” Frederick was unsure whether to smile. “I did not wish to shame myself on the first day.” Sir Roland let out a low chuckle. “A sensible thought. Hold on to it. This castle has a way of testing pride.” He nodded toward the stable doors. “Bring your horse inside. Once he is settled, I’ll take you to the armory and then to the hall. There is much for you to learn, and less time than you think.” Frederick drew a steadying breath and led his horse forward, aware that with Sir Roland’s greeting, his old life had already begun to fall behind him. </nc-section>
created_at"2026-03-06T12:23:07.399Z" 3/6/2026, 12:23:07 PM
model"openai/gpt-5.4-20260305"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency380
moderation_latency(null)
generation_time21765
tokens_prompt318
tokens_completion1139
native_tokens_prompt302
native_tokens_completion985
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"
usage0.01553
router(null)
provider_responses
0
endpoint_id"9ff5625c-403f-4d7f-b895-58ac7295062c"
id"resp_05601eb0f1fba5040169aac72b73f48193987df87190223589"
is_byokfalse
latency141
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-1772799787-Nefj27IK87yeGfZqOUWZ"
upstream_id"resp_05601eb0f1fba5040169aac72b73f48193987df87190223589"
total_cost0.01553
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