Run: 2026-04-24-01KQ0NCZ3A7S57BZ7YP5JK0M81

Run Details

Duration:
15.9s
Cost:
$0.018490
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"> As Frederick guided Thunder toward the stables, the scent of hay and oiled leather drifted through the evening air. A tall knight in a weathered cloak stood waiting beneath the archway, one hand resting on the pommel of his sword. “You must be Frederick,” the knight said, his voice deep but not unkind. “I am Sir Roland, sworn protector of this castle and master of its squires.” Frederick slipped from the saddle and bowed quickly. “My lord.” Sir Roland studied him for a moment, his sharp gray eyes taking in the dusty boots, travel-worn cloak, and eager expression. Then, to Frederick’s relief, the knight smiled. “Stable your horse, lad. Dawn comes early, and so does training.” </nc-section> <nc-section data-title="Version 2" data-color="green"> The castle yard bustled with servants, guards, and stable boys hurrying to finish their work before nightfall. Frederick dismounted near the stables, his legs stiff from the long ride, and patted Thunder’s neck in thanks. Before he could lead the stallion inside, a broad-shouldered knight stepped from the shadows of the stable door. His armor was plain but polished, and a green cloak hung from his shoulders, clasped with the crest of the castle. “Frederick?” the knight asked. “Yes, sir.” “I am Sir Roland.” He offered a firm hand. “You’ve come far, and that speaks well of you. But the road to becoming a knight is longer still.” Frederick swallowed, then nodded. “I am ready.” Sir Roland’s eyes glinted. “We shall see.” </nc-section> <nc-section data-title="Version 3" data-color="blue"> Thunder snorted as Frederick led him across the cobbled yard toward the stables. Lanterns had begun to glow along the castle walls, and the first stars appeared above the towers. A man in chainmail stood beside the stable gate, speaking softly to a groom. When he saw Frederick approach, he turned. Though his beard was streaked with silver, he carried himself with the strength of a warrior still in his prime. “Welcome to Castle Ardent,” he said. “I am Sir Roland.” Frederick bowed, suddenly aware of the dust on his cloak. “Frederick of Ashford, sir. I’ve come to serve and learn.” Sir Roland nodded toward the stables. “Then your first lesson is care. A knight who neglects his horse will one day find himself walking home from battle.” Frederick smiled despite his nerves. “Yes, sir.” </nc-section>
created_at"2026-04-24T21:12:43.89Z" 4/24/2026, 9:12:43 PM
model"openai/gpt-5.5-20260423"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency593
moderation_latency(null)
generation_time15837
tokens_prompt318
tokens_completion662
native_tokens_prompt302
native_tokens_completion566
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)
num_fetches(null)
web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
usage0.01849
router(null)
provider_responses
0
endpoint_id"58e5b336-423e-430b-a2ab-8bc353f0c51b"
id"resp_0e44801ccbe5b1e70169ebdccbf4648194a1376ce0b15b6199"
is_byokfalse
latency234
model_permaslug"openai/gpt-5.5-20260423"
provider_name"OpenAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer(null)
request_id"req-1777065163-8kTlE1tiAZntEKaxqk0p"
session_id(null)
api_type"completions"
id"gen-1777065163-mQ2TXqlHTjduIF8sFboY"
upstream_id"resp_0e44801ccbe5b1e70169ebdccbf4648194a1376ce0b15b6199"
total_cost0.01849
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"
response_cache_source_id(null)

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