Run: 2026-07-09-01KX40K2E3AM5QKW1GXK2229BE

Run Details

Duration:
12.9s
Cost:
$0.016355
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: The Knight at the Stableyard" data-color="red"> Thunder slowed to a proud trot as Frederick passed beneath the castle’s ironbound gate. Beyond it lay the stableyard, busy even in the fading light: grooms carried lanterns, horses stamped in their stalls, and the scent of hay and warm leather drifted through the cool evening air. A broad-shouldered knight stood beside the stable doors, his mail catching the last gold of sunset. A scar ran from his left brow to the corner of his jaw, but his expression was not unfriendly. “Frederick, I presume,” the knight said. Frederick slid from Thunder’s saddle and bowed awkwardly. “Yes, sir. Frederick of Ashvale. I have come to begin my service.” The knight’s gloved hand rested briefly on Thunder’s neck. The stallion, usually wary of strangers, lowered his head without protest. “Fine horse,” he said. “And a fine entrance. I am Sir Roland, knight of this castle and master of its squires.” His eyes studied Frederick with a stern, measuring calm. “You will find that the road to knighthood is longer than the road that brought you here.” Frederick swallowed, then straightened his shoulders. “I am ready to learn.” Sir Roland gave the faintest smile. “Good. We shall see whether you are ready to endure.” </nc-section> <nc-section data-title="Version 2: Sir Roland’s Welcome" data-color="green"> Frederick reined Thunder toward the stables, where yellow light spilled from the open doors onto the cobbles. Before he could dismount, a man in a dark green cloak stepped from the shadows beneath the eaves. He wore no helmet, though a sword hung at his side, and the silver dragon emblazoned upon his breastplate marked him as one of the king’s knights. “You ride like someone who has spent more time in the saddle than in a chapel,” the man remarked. Frederick’s cheeks warmed. “I hope that is not an insult, sir.” “It depends on whether you can pray as well as you ride.” The knight’s stern face broke into a quick smile. “Sir Roland,” he added, extending a hand. “Local knight, keeper of the eastern watch, and—until further notice—the man responsible for ensuring you do not break your neck during training.” Frederick accepted his hand and climbed down from Thunder. “Frederick, sir. My father said I was expected.” “Your father was correct.” Sir Roland glanced toward the darkening hills beyond the castle walls. For a moment, something troubled passed behind his eyes. “Though the castle has need of more than another sword-arm these days.” A stable boy hurried forward to take Thunder’s reins, but Sir Roland stopped him with a raised hand. “Not yet,” he said. “Let the boy settle his own horse. A knight must care for those who carry him into danger.” Frederick nodded and led Thunder into the warm, shadowed stable, wondering what danger could already be stirring beyond the castle’s walls. </nc-section> <nc-section data-title="Version 3: A Test in the Twilight" data-color="blue"> By the time Frederick reached the stables, the sun had slipped behind the western hills. Lanterns swung from iron hooks, throwing pools of amber light across the yard. Thunder snorted softly, uneasy at the unfamiliar sounds of the castle. “Easy, lad,” Frederick murmured, patting the stallion’s neck. “Good instinct.” Frederick turned. A knight leaned against the stable wall, arms folded over a weathered breastplate. His hair was iron-gray at the temples, and his eyes were sharp as winter water. “I am Sir Roland,” he said. “You must be Frederick.” “Yes, sir.” Frederick dismounted quickly, nearly catching his boot in the stirrup. He recovered before falling, though he suspected Sir Roland had noticed. The knight did not laugh. Instead, he approached Thunder, who tossed his head and pawed once at the stones. Sir Roland spoke in a low voice Frederick could not hear. Within moments, the stallion grew still. “Fear is not shameful,” Sir Roland said, looking at Frederick rather than the horse. “But if you let fear hold the reins, it will lead you where it pleases.” Frederick looked down at his hands. “I am not afraid.” “No?” Sir Roland’s gaze shifted toward the castle’s highest tower, where a black pennant snapped in the night wind. “Then you are either very brave, or you do not yet understand where you have come.” He handed Frederick Thunder’s reins again. “Stable your horse. Supper is in an hour. At dawn, your training begins.” As Sir Roland walked away, Frederick glanced once more at the black pennant above the tower. It bore the shape of a dragon, its wings spread against the stars. </nc-section>
created_at"2026-07-09T18:00:12.494Z" 7/9/2026, 6:00:12 PM
model"openai/gpt-5.6-terra-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency530
moderation_latency(null)
generation_time12762
tokens_prompt318
tokens_completion1261
native_tokens_prompt302
native_tokens_completion1040
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)
num_fetches(null)
web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
service_tier"default"
usage0.016355
router(null)
provider_responses
0
endpoint_id"3cc89000-ae34-4dde-9c7d-5ce009c8af0b"
id"resp_070c8d1ad6c072ec016a4fe1ac8e7c819480fd7e4b9a25f76a"
is_byokfalse
latency202
model_permaslug"openai/gpt-5.6-terra-20260709"
provider_name"OpenAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.18.0; linux; x64))"
http_referer(null)
request_id"req-1783620012-OQAYRaO59FjIEjg1CWMY"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783620012-aoQ0vpfRI09r96hFpJkJ"
upstream_id"resp_070c8d1ad6c072ec016a4fe1ac8e7c819480fd7e4b9a25f76a"
total_cost0.016355
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"
response_cache_source_id(null)
data_region"global"

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