Run: 2026-03-18-01KM096X4NFAYYB4VJ5D17CTH0

Run Details

Duration:
5.0s
Cost:
$0.004146
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: A Knight’s Welcome" data-color="red"> Frederick had barely dismounted near the stables when a broad-shouldered knight in polished mail approached, his cloak stirring in the stable-yard breeze. “You must be Frederick,” Sir Roland said, offering a firm, practiced smile. “We’ve been expecting you.” Frederick straightened at once, trying to hide his nerves. “Yes, sir.” Sir Roland glanced toward the stable hands leading Frederick’s horse away. “A good mount. A steady horse tells me a great deal about its rider. Come—before the bell rings, I’ll show you where a squire begins his life here.” He gestured toward the inner yard, where the castle’s stone walls loomed high and severe. Frederick followed, heart pounding, as the knight’s confident stride set the pace for the days ahead. </nc-section> <nc-section data-title="Version 2: The Knight by the Stables" data-color="green"> As Frederick neared the stables, he noticed a knight standing beside the door, speaking with one of the grooms. The man turned at the sound of approaching footsteps, revealing a weathered face and an easy, attentive gaze. “Frederick, I presume,” he said. “Sir Roland. Welcome to the castle.” Frederick bowed quickly, almost stumbling in the straw. “It’s an honor, my lord.” Sir Roland chuckled softly. “No need for trembling yet. That can wait until your first lesson.” He stepped closer and looked Frederick over as if measuring his resolve. “The stables are often the first place a squire learns discipline. Clean tack, fed horses, careful hands. If you can master that, the rest becomes easier.” Frederick nodded, feeling a little of his fear give way to determination. Sir Roland clapped a hand on his shoulder and led him deeper into the yard, where the sounds of the castle—hammer, hoof, and shouted command—began to shape Frederick’s new life. </nc-section> <nc-section data-title="Version 3: An Oath at the Stables" data-color="blue"> Frederick had only just reached the stables when a knight in silver-trimmed armor emerged from the shadow of the archway, one gauntleted hand resting on the hilt of his sword. “Frederick,” the knight said with a nod, “I am Sir Roland. You arrived sooner than I expected.” The young squire swallowed and bowed. “I hope I have not caused trouble, sir.” “Not yet,” Sir Roland replied, though his tone carried a hint of amusement. He looked past Frederick to the horse being led inside, then back to the boy. “This castle is no place for idle feet. If you are to serve here, you’ll begin where every knight’s work is born—in the care of what carries us to battle.” Frederick glanced at the stables, at the smoke curling above the kitchens, at the towering keep beyond, and felt the weight of the moment settle on his shoulders. Sir Roland stepped aside and motioned him forward. “Come. Let us see whether you have the makings of a true squire.” </nc-section>
created_at"2026-03-18T10:52:36.899Z" 3/18/2026, 10:52:36 AM
model"openai/gpt-5.4-mini-20260317"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2269
moderation_latency(null)
generation_time4752
tokens_prompt318
tokens_completion783
native_tokens_prompt302
native_tokens_completion871
native_tokens_completion_images0
native_tokens_reasoning189
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"
usage0.004146
router(null)
provider_responses
0
endpoint_id"9ee065b2-3d1c-43bc-bdd7-28af3b148282"
id"resp_0ceda2a35e24a9430169ba83f4fc9c8194bcf0aa362e58bceb"
is_byokfalse
latency291
model_permaslug"openai/gpt-5.4-mini-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-1773831156-YrBHgCsfaqriDGU0KHVM"
upstream_id"resp_0ceda2a35e24a9430169ba83f4fc9c8194bcf0aa362e58bceb"
total_cost0.004146
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