Run: 2026-03-18-01KM0987R2KZ4AR8NT449B567Y

Run Details

Duration:
5.6s
Cost:
$0.001547
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: Sir Roland’s Test (Red)" data-color="red"> Before I could rein in properly, a heavy clatter of armor sounded from the stable yard. A figure stepped into view—broad-shouldered, beard braided with gray, and eyes sharp as struck flint. “Frederick,” said the local knight, Sir Roland, as if he’d been expecting me all along. “You’re late by a breath.” He jerked his chin toward the tack room. “Before you learn blades, you’ll learn horses. Brush Thunder until his coat shines. Then we’ll see how steady your hands are.” I swung down from the saddle, boots hitting packed earth with a dull thud. Thunder snorted, warm steam drifting from his nostrils. Sir Roland moved like a gate opening—slow, inevitable, controlled. “A squire who can’t earn a horse’s trust will never earn the trust of men,” he said. I began the work with the brush, but my mind flickered forward to the training yard I’d been promised. As I worked, Sir Roland circled once, listening to the scrape of bristles and the subtle changes in the stallion’s breathing. “Not bad,” he muttered. “Good enough to start.” Then, with a sudden authority that made my spine straighten, he pointed toward the yard gate. “Tomorrow,” he said, “you’ll carry my practice shield. Tonight, you’ll learn the castle’s rules. And you’ll learn them fast.” I looked at the knight, at the stable doors, at Thunder’s calm eyes—and realized my training had already begun. </nc-section> <nc-section data-title="Version 2: Words Like Iron (Green)" data-color="green"> Sir Roland was waiting near the stables, as though the stones themselves had taught him patience. When I approached, he didn’t smile—his expression sat somewhere between stern and amused. The brim of his helm cast a shadow over his brow, but his gaze found me easily, measuring. “So,” he said, voice gravelly under the quiet, “the new squire has a face.” Thunder shifted in his stall, eager, restless, like he sensed an argument brewing. Sir Roland reached out and patted my horse’s neck with the confidence of someone who’d bargained with fear many times. “Horses know liars,” he told me. “And they know cowards.” I cleared my throat. “I’ll prove—” “Prove nothing to me,” Sir Roland interrupted, stepping closer so that my words dwindled to silence. “Prove it to the work.” He gestured to the tack laid out in careful order: straps, oilcloth, grooming brush. “Start with the basics. Clean the harness. Check the buckles. Count the nails. If you can’t keep track of what’s simple, you’ll lose what matters.” As I set to my tasks, Sir Roland spoke again, quieter now. “This castle is a living thing. It eats mistakes. It sleeps through no alarms.” He leaned in slightly, and the air between us felt tighter. “You’ll earn your place here, Frederick. But not with stories. With hands that don’t shake.” Thunder’s breathing steadied. My own steadied with it, matching the rhythm of the work. Sir Roland nodded once, as if the first lesson had been learned without fanfare. “Good,” he said. “Now come—there are men in the yard who will test whether your courage is real.” </nc-section> <nc-section data-title="Version 3: The Unexpected Welcome (Blue)" data-color="blue"> I’d barely untacked Thunder when the stable doors groaned open and Sir Roland stepped out into the fading light. His armor wasn’t polished to shine for show; it looked worn in the honest way of someone who’d used it. One gauntlet rested on the doorframe as he regarded me, tall enough to make the yard feel smaller. “Frederick,” he greeted, “you’ve finally arrived.” His tone carried no triumph—only the practicality of an oath kept. “I’m Sir Roland. If you’re smart, you’ll listen before you speak.” I bowed my head automatically, relieved to have a familiar authority to face. The knight’s eyes flicked to Thunder’s reins, then to my hands. “You ride well enough to keep your seat,” he said. “Now see if you can keep your temper.” He pointed toward a stack of practice shields leaned against the stable wall—some warped, some scuffed, each ready for use. “Today you’ll meet the castle’s noise: straps, tack, hooves, men calling out drills. Tomorrow you’ll meet its lessons.” He paused, letting the words settle. “But right now, you’ll start with the stables.” A groom hurried by with a bucket, nearly colliding with Sir Roland. The knight didn’t flinch or bark. Instead, he simply shifted his weight, like he’d done it a thousand times. “You see?” he murmured to me as the groom hurried on. “Strength isn’t only in fighting. It’s in moving without fear.” Thunder stamped once, impatient, and I realized Sir Roland had chosen this moment carefully. He wasn’t just greeting me—he was watching how I would react when chaos brushed against me. I tightened my grip on the grooming brush, steadying my breathing. “Understood, Sir Roland,” I said. “Good,” the knight replied. “Then let’s begin—because the castle doesn’t wait for late arrivals, and neither do I.” </nc-section>
created_at"2026-03-18T10:53:20.526Z" 3/18/2026, 10:53:20 AM
model"openai/gpt-5.4-nano-20260317"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency502
moderation_latency(null)
generation_time5288
tokens_prompt318
tokens_completion1361
native_tokens_prompt302
native_tokens_completion1189
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"
usage0.00154665
router(null)
provider_responses
0
endpoint_id"0c835f2e-c18d-4e8c-b245-e1e3bd08b97f"
id"resp_0387c3bb5a99969b0169ba842098f88193867564d8127cc9a8"
is_byokfalse
latency223
model_permaslug"openai/gpt-5.4-nano-20260317"
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-1773831200-Tn5FBg9B2Q83Hx0bDjzM"
upstream_id"resp_0387c3bb5a99969b0169ba842098f88193867564d8127cc9a8"
total_cost0.00154665
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