Run: 2026-03-06-01KK1H7TH0KTSV2ZZ98HTBWX57

Run Details

Model:
GPT-5.4
Duration:
25.7s
Cost:
$0.015875
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 evening air. Frederick slid down from his saddle, his boots crunching softly on the straw-scattered ground. Before he could gather his reins, a broad-shouldered knight stepped from the shadow of the stable doors, his polished spurs chiming faintly with each stride. “Frederick, I take it,” the knight said, his voice calm and steady. “I am Sir Roland, sworn sword of this castle.” Frederick straightened at once, suddenly aware of the dust on his cloak and the weariness in his limbs. “Yes, sir. I arrived only moments ago.” Sir Roland’s stern expression softened just a little as he glanced at the lathered horse. “Then you have ridden hard. Good. A squire should know the worth of endurance—but also the duty of caring for the beast that carried him here.” He took the reins with practiced ease and handed them back. “See to your mount first. The castle judges a young man by how he tends what is entrusted to him.” Frederick nodded and led the horse toward the stall, feeling the knight’s sharp gaze on him. Yet there was something reassuring in Sir Roland’s presence, like the weight of a shield held steady in battle. When the horse had been brushed and watered, Sir Roland gave an approving grunt. “You may yet do well here,” he said. “Come. The master-at-arms waits, and dawn will not be merciful.” </nc-section> <nc-section data-title="Version 2" data-color="green"> The stableyard buzzed with the low sounds of evening—horses shifting in their stalls, grooms carrying buckets, the creak of harness and timber. Frederick had barely dismounted when a knight in a dark surcoat approached, his cloak moving behind him like a shadow. “So,” the knight said, studying him with keen gray eyes, “you are the new squire.” Frederick bowed his head. “Frederick, sir.” “Sir Roland,” the man replied. His face was weathered, marked by old campaigns, but his posture was proud as an oak. “The castle has been expecting you.” Frederick swallowed, trying not to show his nerves. “I hope I am not late.” Sir Roland let out a brief, dry laugh. “Late? No. Untried? Certainly.” He rested a gloved hand on the stable gate. “Do not mistake these walls for a place of comfort, lad. Here you will rise before dawn, drill until your arms tremble, and learn that honor is heavier than armor.” Frederick looked up at him, uncertain whether he was being welcomed or warned. Then Sir Roland’s mouth twitched into the faintest hint of a smile. “Still, every knight began as something less. Tie your horse, get some food in you, and report to the yard at first light. We shall see what steel lies hidden beneath the boy.” </nc-section> <nc-section data-title="Version 3" data-color="blue"> Frederick led his horse toward the stables just as lanterns were being lit along the yard. Gold light spilled over the wooden beams and the cobbled ground, turning the deepening dusk soft and amber. From within the stable doorway emerged a knight in burnished mail, his bearing so upright and assured that Frederick knew at once this must be a man of rank. “You have the look of someone far from home,” the knight said. Frederick paused and bowed awkwardly. “Yes, sir. My name is Frederick. I have come to serve as squire.” The knight inclined his head. “Then welcome. I am Sir Roland.” There was neither coldness nor great warmth in his tone, only a measured strength that made Frederick stand a little straighter. Sir Roland’s eyes moved from the worn travel cloak to the mud on Frederick’s boots, then to the horse at his side. “A long road teaches much,” Sir Roland said. “If you are wise, you have already begun your training.” Frederick was not sure how to answer, so he only nodded. Sir Roland stepped aside and gestured toward the open stable. “Your place here will not be won by name or hope, but by discipline. Still, every worthy path begins somewhere. Tonight, it begins there.” He pointed toward an empty stall and then toward the tower beyond. “Settle your horse. After that, I will show you where you are to sleep.” For the first time since arriving at the castle, Frederick felt a small measure of relief. He was no longer standing before an unknown fate alone. Under Sir Roland’s watchful eye, the first true chapter of his life as a squire had begun. </nc-section>
created_at"2026-03-06T12:16:28.199Z" 3/6/2026, 12:16:28 PM
model"openai/gpt-5.4-20260305"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency454
moderation_latency(null)
generation_time25656
tokens_prompt318
tokens_completion1176
native_tokens_prompt302
native_tokens_completion1008
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"
usage0.015875
router(null)
provider_responses
0
endpoint_id"9ff5625c-403f-4d7f-b895-58ac7295062c"
id"resp_03139091fc2daede0169aac59c3fd08197a15ecac5bbad1463"
is_byokfalse
latency169
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-1772799388-jkpEoJ4HqKlRAiHRDb2c"
upstream_id"resp_03139091fc2daede0169aac59c3fd08197a15ecac5bbad1463"
total_cost0.015875
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