Run: 2026-03-09-01KK9PW619KDGWFYD0B1928JTA

Run Details

Duration:
27.3s
Cost:
$0.015680
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 swung down from the saddle near the stables, his boots sinking into the damp straw that littered the yard. The air smelled of hay, leather, and horses, and for a moment he stood very still, taking in the size of the castle that now loomed over him. Before he could gather his thoughts, a tall knight in a weather-worn surcoat stepped from the stable doors. His armor was plain but well kept, and a faded crimson cloak hung from his shoulders. “You must be Frederick,” the knight said, his voice deep and steady. “I am Sir Roland, master of the yard here. The castle has been expecting you.” Frederick straightened at once, unsure whether to bow or salute. Sir Roland’s stern face softened with the hint of a smile as he reached for Thunder’s reins. “No need to look so stricken, lad,” he said. “If you can ride a beast like this across half the kingdom, you’ve already earned a measure of respect. Come. Your horse will be fed, and you’ll find the castle less frightening after a warm meal.” Frederick followed him toward the stable doors, his heart still pounding. There was something reassuring in Sir Roland’s calm manner, yet the knight’s sharp eyes seemed to weigh him as carefully as a swordsmith judges fresh steel. </nc-section> <nc-section data-title="Version 2" data-color="green"> As Frederick led Thunder toward the stables, a clatter of hooves and the ring of metal came from within the yard. A knight emerged from between the stalls, broad-shouldered and sun-browned, with a training sword belted at his side. He wiped his hands on a cloth, as though he had been tending a horse himself rather than leaving such work to grooms. “So,” the man said, studying Frederick with open curiosity, “the new squire has finally arrived.” Frederick nodded quickly. “Yes, sir.” The knight gave a short laugh. “Good. You still have enough breath to answer. I am Sir Roland.” He stepped forward and laid a firm hand on Thunder’s neck, and the stallion, who had tolerated few strangers on the journey, settled at once. “A fine horse. And a finer sign that you came here by grit, not comfort.” Frederick felt some of his nervousness ease. “I hope I’ll prove worthy of the training, sir.” Sir Roland’s expression turned thoughtful. “Worthiness is not decided at the gate. It is forged in the days that follow.” He gestured toward the stable lanterns glowing in the dusk. “Come along. We’ll see to your mount, then I’ll show you where boys become squires—and squires learn whether they have the making of knights.” </nc-section> <nc-section data-title="Version 3" data-color="blue"> The stable yard was alive with evening motion—grooms carrying buckets, horses stamping in their stalls, swallows darting beneath the eaves. Frederick had barely dismounted when a commanding voice rose above the bustle. “Hold that gelding steady there—and mind the bit.” The speaker strode toward him: a knight of middle years, with silver beginning at his temples and the easy confidence of a man obeyed without question. His chainmail was covered by a dark tabard marked with the castle’s crest, and his gaze settled on Frederick with quiet appraisal. “You are Frederick,” he said. “I am, sir.” “Sir Roland,” the knight replied, inclining his head. “The lord of this castle charged me with meeting you.” His eyes flicked to Thunder, then back to the young squire. “You arrived later than expected, but in one piece. That is a good beginning.” Frederick managed a nervous smile. “The road was rough, sir.” “The road always is,” Sir Roland said. Then, to Frederick’s surprise, the knight’s tone grew kinder. “What matters is that you kept going.” He took the reins and passed them to a waiting groom. “Come. There is much for you to learn, and dawn comes early in this place.” As Frederick followed him into the warm lantern-light of the stables, he felt the first true stirring that his old life was behind him. Whatever awaited within these walls, Sir Roland seemed to stand at its threshold like a gatekeeper of iron and mercy both. </nc-section>
created_at"2026-03-09T16:28:53.684Z" 3/9/2026, 4:28:53 PM
model"openai/gpt-5.4-20260305"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2223
moderation_latency(null)
generation_time27217
tokens_prompt318
tokens_completion1106
native_tokens_prompt302
native_tokens_completion995
native_tokens_completion_images0
native_tokens_reasoning65
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"
usage0.01568
router(null)
provider_responses
0
endpoint_id"9ff5625c-403f-4d7f-b895-58ac7295062c"
id"resp_027e902077a60b270169aef545cff48197b53cae97189746fc"
is_byokfalse
latency241
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-1773073733-J3x4ya5GbZ2M9GeQ53Yd"
upstream_id"resp_027e902077a60b270169aef545cff48197b53cae97189746fc"
total_cost0.01568
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