Run: 2026-03-09-01KK9QM6CS67FEA40AY86PR1DD

Run Details

Duration:
25.6s
Cost:
$0.016115
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"> Frederick reined in near the stables, where the scent of hay and leather hung thick in the evening air. Before he had fully dismounted, a broad-shouldered knight in a weathered surcoat stepped from the stable doors. A silver lion was stitched across his chest, dulled by years of hard use rather than neglect. “You must be Frederick,” the knight said, his voice deep and steady. “I am Sir Roland, master of arms to every boy who thinks himself ready for a sword.” Frederick slid from the saddle and bowed quickly, though travel had made him stiff and clumsy. “Yes, sir. I came as summoned.” Sir Roland’s stern face shifted, not quite into a smile, but into something near enough to kindness. He laid a gloved hand against Thunder’s neck, earning a calm snort from the stallion. “Good seat, strong horse, and you arrived before full dark. That speaks well of you.” His gaze sharpened. “We shall see if the rest does.” Around them, stable boys hurried with buckets and brushes, yet Frederick heard only the knight’s words. Sir Roland turned and motioned for him to follow. “Come. The castle wastes no time, and neither do I.” </nc-section> <nc-section data-title="Version 2" data-color="green"> The stable yard was alive with the clatter of hooves, the creak of harness, and the low murmur of men finishing the day’s labor. As Frederick led his horse beneath the lantern light, a knight emerged from between the stalls, tall as an oak and wrapped in a dark green cloak clasped with bronze. “So,” he said, looking Frederick over from boots to brow, “the new squire has finally found us.” Frederick straightened at once. “Frederick, sir.” “Sir Roland,” the man replied. His face was lined by sun and battle, but his eyes were clear and keen. “If you mean to serve in this castle, you’ll learn three things quickly: rise early, speak plainly, and care for your horse before you care for yourself.” Frederick nodded, glancing toward Thunder as if ashamed he had needed telling. Sir Roland noticed and gave a rough chuckle. “Good. You can still be taught.” He took the reins with practiced ease and handed them to a waiting stable hand. “Your journey ends here, lad, but your training begins tonight.” At that, the warmth of the yard seemed to fade, replaced by a nervous thrill in Frederick’s chest. He followed Sir Roland toward the torchlit archway, feeling that he had just crossed an invisible threshold into the life he had dreamed of. </nc-section> <nc-section data-title="Version 3" data-color="blue"> As Frederick approached the stables, the last of the daylight bled across the castle walls in bands of amber and violet. He had scarcely set foot to the ground when a knight stepped from the shadows, his mail catching the light like ripples on dark water. “Frederick of Ashdown?” the knight asked. “Yes, sir.” The man inclined his head. “Then welcome to Blackstone Castle. I am Sir Roland.” There was no grand flourish in him, no jeweled hilt or plumed helm. Yet something in the quiet certainty of his stance made Frederick stand straighter. Sir Roland looked like the sort of man who had long ago stopped needing to prove he was dangerous. “You’ve ridden hard,” Sir Roland said, glancing at the dust on Frederick’s cloak and the sweat on the horse’s flanks. “That earns you supper. What you do tomorrow earns you a place.” Frederick swallowed and managed, “I won’t fail, sir.” Sir Roland’s expression softened by a fraction. “Every squire says that on his first night.” He turned toward the stable doors, where warm lanternlight spilled over the straw. “The wiser ones learn how close failure always walks beside them.” With that, he beckoned Frederick onward. The stable behind him smelled of cedar, oats, and rain-damp tack, and the castle ahead seemed suddenly larger than before, filled with trials he could not yet name. </nc-section>
created_at"2026-03-09T16:42:00.481Z" 3/9/2026, 4:42:00 PM
model"openai/gpt-5.4-20260305"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency4070
moderation_latency(null)
generation_time25525
tokens_prompt318
tokens_completion1054
native_tokens_prompt302
native_tokens_completion1024
native_tokens_completion_images0
native_tokens_reasoning133
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"
usage0.016115
router(null)
provider_responses
0
endpoint_id"9ff5625c-403f-4d7f-b895-58ac7295062c"
id"resp_078043f2dbedaa790169aef8588f6c81969f7ee43656110e81"
is_byokfalse
latency176
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-1773074520-Y5hRQQmM8Wcn6kwCPt5O"
upstream_id"resp_078043f2dbedaa790169aef8588f6c81969f7ee43656110e81"
total_cost0.016115
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