Run: 2026-03-09-01KKAC284MN65BCF90JQNJ0EVA

Run Details

Duration:
22.3s
Cost:
$0.016700
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 smell of hay and leather hung thick in the evening air. Frederick slid down from Thunder’s back, his boots striking the packed earth with more confidence than he felt. Before he could gather the reins, a broad-shouldered knight stepped from the shadow of the stable doors, his polished spurs glinting in the last light. “You must be Frederick,” the man said, his voice steady and warm. “I am Sir Roland, master of horse and keeper of order in this unruly corner of the castle.” Frederick bowed quickly, nearly fumbling the gesture in his nervousness. “Yes, sir. I have come to begin my training.” Sir Roland’s stern face softened with the faintest smile. He laid a gauntleted hand on Thunder’s neck, and the stallion, who had snapped at two grooms on the road, stood strangely calm. “A fine mount,” the knight said. “And if the horse speaks true of the rider, then perhaps there is some promise in you yet.” The stable boys hurried forward to take the reins, but Sir Roland lifted a hand to stop them. “Not yet. A squire who cannot stable his own horse has no business carrying a knight’s shield.” His sharp eyes returned to Frederick. “Come. I will show you where you belong.” With that, Sir Roland turned and led him into the warm lantern glow of the stables, where the first true lesson of castle life was waiting. </nc-section> <nc-section data-title="Version 2" data-color="green"> Frederick had scarcely dismounted when a ripple of movement stirred among the grooms. From between the rows of stalls came a knight in a dark green cloak, his mail shirt whispering beneath it as he walked. His face was weathered, his beard neatly trimmed, and his bearing carried the calm authority of a man obeyed without question. “So,” he said, stopping before Frederick, “the new squire has arrived at last.” Frederick straightened at once. “Frederick of Ashdown, sir.” “Sir Roland,” the knight replied. His gaze lingered on the dust of the road caked on Frederick’s boots, the worn straps of his gear, and the anxious grip he kept on the reins. “You look tired, hungry, and uncertain. Good. Those are honest beginnings.” Frederick blinked, unsure whether he had been insulted. Sir Roland gave a low chuckle and reached to steady Thunder’s bridle. “Do not fear. Every knight who enters these gates begins as a boy who knows too little and hopes too much. The question is whether you will learn quickly enough to survive both.” The stable hands laughed softly, but not cruelly. Sir Roland nodded toward an empty stall. “See to your horse. Then you will eat. At dawn, your training begins, and I do not permit lateness, excuses, or self-pity.” Frederick swallowed and nodded. “Yes, Sir Roland.” As the knight strode away, Frederick felt his fear sharpen into determination. The castle no longer seemed merely grand. It had become a place where he would be tested. </nc-section> <nc-section data-title="Version 3" data-color="blue"> The stable yard was alive with the evening bustle of castle life: horses stamping in their stalls, grooms carrying buckets, and swallows darting beneath the eaves. Frederick led Thunder toward the water trough, trying not to stare too openly at everything around him, when a shadow fell across his path. He looked up into the lined face of a knight whose silver-edged surcoat bore the crest of the castle. Though age had touched his temples with gray, there was nothing frail in him. His eyes were bright, watchful, and keen as a hawk’s. “You handle that horse well for one so young,” the knight said. Frederick lowered his head respectfully. “Thank you, sir.” “I am Sir Roland,” the man said. “The lord of this castle asked me to greet you. He said we are to make something useful of you, if the gods are willing.” A nervous smile escaped Frederick before he could stop it. “I will do my best, sir.” Sir Roland studied him for a moment, as if weighing not his words but the truth behind them. Then he nodded once. “That is the first proper thing you could have said.” He took the reins and handed them back almost immediately. “Now prove it. Rub your mount down, feed him, and report to the great hall before the last bell. A squire serves before he rests.” Frederick bowed again, this time with more care. “Yes, Sir Roland.” As the knight moved on through the stable yard, issuing brief commands that everyone instantly obeyed, Frederick watched him go and understood that this was a man whose respect must be earned one duty at a time. </nc-section>
created_at"2026-03-09T22:39:12.542Z" 3/9/2026, 10:39:12 PM
model"openai/gpt-5.4-20260305"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2033
moderation_latency(null)
generation_time22190
tokens_prompt318
tokens_completion1325
native_tokens_prompt302
native_tokens_completion1063
native_tokens_completion_images0
native_tokens_reasoning23
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"
usage0.0167
router(null)
provider_responses
0
endpoint_id"9ff5625c-403f-4d7f-b895-58ac7295062c"
id"resp_052de7af1b5685d10169af4c109d6c81969c2a7af24d0c02ca"
is_byokfalse
latency204
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-1773095952-jvs0ST5e55Vu4oXGkThu"
upstream_id"resp_052de7af1b5685d10169af4c109d6c81969c2a7af24d0c02ca"
total_cost0.0167
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