Run: 2026-03-09-01KKAC9ZQKZ8P8APEQ8PQRMWP5

Run Details

Duration:
18.7s
Cost:
$0.013745
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, where the air was rich with the scent of hay and leather, a broad-shouldered knight stepped from the fading light. His mail gleamed beneath a dark surcoat marked with the crest of the castle, and his weathered face carried the sternness of a man long used to command. Yet when his eyes fell upon Frederick, there was kindness in them. “You must be the new squire,” he said, his voice deep and steady. “Frederick, is it? I am Sir Roland.” Frederick quickly bowed, suddenly aware of the dust on his boots and the weariness in his limbs after the long ride. “Yes, my lord.” Sir Roland’s gaze shifted to the horse and then back to the boy. “You sit a saddle well enough. That is something.” A faint smile touched his mouth. “Come. The castle wastes no time making boys into men. Your horse will be tended, and you will have food, if you are fortunate, before the master-at-arms decides to test your worth.” With that, Sir Roland turned toward the stable doors, and Frederick, heart pounding with equal parts fear and excitement, hurried after him into the shadow of his new life. </nc-section> <nc-section data-title="Version 2" data-color="green"> Frederick had scarcely dismounted near the stables when a knight emerged from between the rows of horses. He was tall and powerfully built, with a scar crossing one cheek and sharp gray eyes that missed very little. The stable hands straightened at once when they saw him, and Frederick knew without being told that this was no ordinary man. “So,” the knight said, folding his arms across his chest, “the new squire has finally arrived.” Frederick swallowed and nodded. “Frederick, sir.” The knight gave him a measured look, as though weighing him like a blade fresh from the forge. Then he inclined his head. “Sir Roland. You will answer promptly, rise early, work hard, and complain never. If you can manage those four things, you may survive your first month.” Though the words were severe, there was a glimmer of humor beneath them. Frederick dared a small smile. Sir Roland noticed. “Good. You still have courage. We’ll see if the castle keeps it or sharpens it.” He gestured toward the stable boy reaching for the reins. “Go on, then. See your mount settled, and after that, you’ll follow me. A squire’s life begins before he is ready.” </nc-section> <nc-section data-title="Version 3" data-color="blue"> As Frederick led his horse toward the stables, a knight in polished mail stood waiting beneath the lantern light. The glow caught on the silver edge of his pauldrons and on the signet ring upon his gloved hand. He looked every inch the sort of warrior Frederick had imagined in boyhood tales, but there was nothing distant or proud in the way he regarded the young squire. “Frederick?” the knight asked. “Yes, sir.” The man stepped forward and took the reins with practiced ease. “Welcome to the castle. I am Sir Roland, sworn knight to Lord Ainsley and keeper of discipline where squires are concerned.” Frederick’s stomach tightened at those last words, but Sir Roland’s expression softened. “Do not look so stricken,” he said. “Every knight began where you stand now—tired, uncertain, and hoping no one noticed.” He handed the reins to a stable hand and brushed a bit of road dust from Frederick’s shoulder. “You have arrived before full dark, which is better than some. That gives me hope.” For the first time since reaching the castle, Frederick felt his nerves ease. He straightened, trying to look worthy of the place and the man before him. “Come,” said Sir Roland, turning toward the inner yard. “There is much for you to learn, and the castle has little patience for delay.” </nc-section>
created_at"2026-03-09T22:43:26.076Z" 3/9/2026, 10:43:26 PM
model"openai/gpt-5.4-20260305"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1312
moderation_latency(null)
generation_time18644
tokens_prompt318
tokens_completion1002
native_tokens_prompt302
native_tokens_completion866
native_tokens_completion_images0
native_tokens_reasoning14
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"
usage0.013745
router(null)
provider_responses
0
endpoint_id"9ff5625c-403f-4d7f-b895-58ac7295062c"
id"resp_06720bec84e788630169af4d0e22f081969d3b619269966d6c"
is_byokfalse
latency181
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-1773096206-tYH7n1nqxB04IkGzB2AH"
upstream_id"resp_06720bec84e788630169af4d0e22f081969d3b619269966d6c"
total_cost0.013745
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