Run: 2026-03-06-01KK1J230K3FP968D2ZNJPG7B9

Run Details

Duration:
33.9s
Cost:
$0.021350
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, the smells of hay, leather, and horse sweat hung thick in the cooling evening air. Frederick swung down from Thunder’s back, his boots striking the packed earth with less confidence than he would have liked. Before he could gather his reins, a broad-shouldered knight stepped from the stable doorway, his spurs chiming softly with each stride. Sir Roland wore no helm, and the last light of sunset shone along the silver at his temples. A scar crossed one cheek, pale against weathered skin, but his eyes were sharp and steady. He looked Frederick over in a single glance that seemed to weigh both his courage and his uncertainty. “So,” Sir Roland said, resting a gauntleted hand on the stallion’s neck, “you are the new squire.” Frederick straightened at once. “Yes, sir. Frederick of Dunmere.” Thunder snorted, but the knight only smiled faintly and ran a practiced hand along the horse’s mane. “A fine mount for one so young. Either you ride well, or the beast is kinder than he looks.” A nervous laugh nearly escaped Frederick, but he swallowed it. “I do my best, sir.” “That will have to do for a beginning,” Sir Roland replied. He gestured toward the long stable building, where lanternlight flickered warmly beyond the open doors. “Come. A squire’s first lesson begins before he ever touches a sword. Care for your horse, know your place, and keep your eyes open. If you can manage those, the castle may yet make a knight of you.” Frederick took up Thunder’s reins and followed, his heart beating a little faster. The castle no longer seemed merely grand. Under Sir Roland’s gaze, it felt like the threshold of a harder, greater life. </nc-section> <nc-section data-title="Version 2" data-color="green"> The stable yard bustled even as dusk settled over the castle. Grooms carried buckets, horses stamped in their stalls, and swallows dipped beneath the eaves. Frederick had barely dismounted when a man in a dark surcoat marked with the king’s crest emerged from among the horses. He was taller than Frederick had expected, with a soldier’s bearing and a knight’s calm. His armor was worn at the edges, not from neglect but from long use, and the sword at his side looked as though it had seen real battle. He stopped a few paces away and folded his arms. “You must be Frederick,” he said. Frederick bowed awkwardly. “Yes, my lord.” “Sir Roland,” the man corrected, though not unkindly. “You need not call me ‘lord’ unless you mean to flatter me, and I have little use for flattery.” A hint of amusement touched his mouth. “I was told to expect a boy. Instead I see one who has at least managed to stay in the saddle.” Frederick flushed. “I rode hard to arrive before nightfall, sir.” “And you did.” Sir Roland nodded once, as if that answer pleased him. He stepped closer and took the reins from Frederick with easy familiarity. Thunder tossed his head, then settled at once beneath the knight’s firm hand. “Good horses know good hands,” Roland said. “Remember that. Men are not so different.” He handed the reins to a waiting groom, then turned back to Frederick. “You are far from home now. The castle is not gentle with those who dream too much and listen too little. Still,” he added, studying the young squire’s face, “there is no shame in being uncertain on your first night.” Frederick looked up at the looming towers beyond the stable roofs. “I mean to prove myself, sir.” “See that you do,” Sir Roland said. “At dawn you will report to the yard. Tonight, you will eat, learn where you sleep, and try not to disgrace yourself before the other squires. If fortune favors you, only two of those tasks will be difficult.” For the first time since reaching the castle, Frederick smiled. Sir Roland turned toward the torchlit passage leading inward, and Frederick followed, feeling that he had just taken his first true step into the life he had long imagined. </nc-section> <nc-section data-title="Version 3" data-color="blue"> Frederick led Thunder toward the stables, where shadows stretched long across the yard and lanterns had begun to glow beneath the beams. The murmur of horses and the rustle of straw filled the air. As he reached the watering trough, a knight stood from where he had been inspecting a saddle and faced him. He was a formidable man, clad in a plain surcoat over chain mail, with the kind of stillness that made others seem clumsy by comparison. His face was stern, though not cruel, and his cloak stirred lightly in the evening breeze. Frederick knew at once this must be Sir Roland, the local knight charged with overseeing the castle’s squires. Sir Roland approached with measured steps. “Frederick,” he said, as though confirming a thought already formed. “You are expected.” Frederick bowed his head. “Yes, sir.” The knight’s gaze moved from the dust on Frederick’s boots to the travel-worn straps on Thunder’s tack. Nothing escaped him. At last he reached out and laid a hand on the horse’s flank, calming the beast with surprising gentleness. “You came in good time,” he said. “Many young squires arrive boasting. The wiser ones arrive tired.” Frederick was not sure whether that was praise, but he accepted it as such. “I did not wish to be late.” “A useful instinct.” Sir Roland nodded toward the stable doors. “Then begin as you mean to continue. See to your horse before you think of your own comfort. A knight who neglects his mount is no knight at all.” Frederick immediately moved to obey, but Roland stopped him with a raised hand. “One more thing,” the knight said. His voice lowered, and the sounds of the stable yard seemed to recede around them. “This castle is old, and older things than stone dwell in memory here. Keep your courage, but keep your wits beside it.” Frederick looked at him in surprise, but Sir Roland had already turned toward the stable, giving no sign that he meant to explain. With Thunder’s reins in hand and those strange words echoing in his mind, Frederick followed him into the warm lanternlight, unaware that his true trials had not yet begun. </nc-section>
created_at"2026-03-06T12:30:48.858Z" 3/6/2026, 12:30:48 PM
model"openai/gpt-5.4-20260305"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency468
moderation_latency(null)
generation_time33820
tokens_prompt318
tokens_completion1643
native_tokens_prompt302
native_tokens_completion1373
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)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
usage0.02135
router(null)
provider_responses
0
endpoint_id"9ff5625c-403f-4d7f-b895-58ac7295062c"
id"resp_01b81509d5d6915b0169aac8f8eeec8193a1534c65cf96381c"
is_byokfalse
latency164
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-1772800248-r99YPlhSqGGxgdzP7vyw"
upstream_id"resp_01b81509d5d6915b0169aac8f8eeec8193a1534c65cf96381c"
total_cost0.02135
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