Run: 2026-07-09-01KX40R2RMWK3FN2QWFES6TV3R

Run Details

Duration:
4.2s
Cost:
$0.003932
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, Frederick reined Thunder to a halt beneath the shadow of the castle wall. A broad-shouldered knight in a weathered red cloak stepped forward, one hand resting on the pommel of his sword. “Frederick?” he called. “Yes, sir.” “I am Sir Roland, keeper of this garrison and, for the moment, your instructor.” His stern expression softened as he glanced at the young squire’s travel-stained clothes. “You have arrived late.” “Not by choice, Sir Roland. The road was—” “Haunted?” Roland finished. Frederick fell silent. Beyond them, one of the stable doors creaked open though no wind stirred. From within came a low, distant growl. Sir Roland’s hand tightened around his sword. “Come inside,” he said. “There are things you must learn before nightfall.” </nc-section> <nc-section data-title="Version 2" data-color="green"> Frederick found Sir Roland waiting beside the stables, where the scent of hay and horses mingled with the cool evening air. The knight was older than Frederick had imagined, with silver at his temples and a scar running from his left ear to his jaw. “You must be the new squire,” Roland said, offering a gloved hand. Frederick dismounted and bowed. “Frederick of Alder Vale, sir.” “Then welcome to Castle Veyr.” Sir Roland looked past him toward the darkening road. “Did you see anything unusual on your journey?” Frederick hesitated. The memory of the black-winged shape crossing the moon still haunted him. “I saw smoke in the northern hills,” he replied. Roland’s face hardened. “Then the old stories may be waking again.” He turned toward the castle. “Bring your horse. We have much to discuss—and little time to do it.” </nc-section> <nc-section data-title="Version 3" data-color="blue"> At the edge of the stable yard, a knight in polished blue armor stood waiting beneath a lantern. His cloak bore the silver emblem of a dragon curled around a sword. “You’re Frederick,” he said as Thunder approached. “I am Sir Roland.” Frederick dismounted quickly. “I’m honored, sir.” Roland nodded, though his eyes remained fixed on the horizon. “Your master spoke highly of you. He said you were brave.” “I try to be.” “Bravery is easy in daylight.” Roland pointed toward the forest beyond the castle. “At dusk, the trees begin to whisper. Tonight, they are whispering your name.” A chill passed through Frederick despite the warmth of the stable lantern. Sir Roland opened the gate. “Get your sword and follow me. If the castle has chosen you, we must discover why before the darkness does.” </nc-section>
created_at"2026-07-09T18:02:56.667Z" 7/9/2026, 6:02:56 PM
model"openai/gpt-5.6-luna-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency480
moderation_latency(null)
generation_time3935
tokens_prompt318
tokens_completion732
native_tokens_prompt302
native_tokens_completion605
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"
service_tier"default"
usage0.003932
router(null)
provider_responses
0
endpoint_id"eebea444-34a5-4642-a766-cb319471d33a"
id"resp_0ffa2fe41879cd4a016a4fe250bc8481969dc49ebc39a4ea89"
is_byokfalse
latency203
model_permaslug"openai/gpt-5.6-luna-20260709"
provider_name"OpenAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.18.0; linux; x64))"
http_referer(null)
request_id"req-1783620176-djCXCHIb5YkVSJcVfRUq"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783620176-Kx2cJkwZsSlY3KnFbSJ8"
upstream_id"resp_0ffa2fe41879cd4a016a4fe250bc8481969dc49ebc39a4ea89"
total_cost0.003932
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"
response_cache_source_id(null)
data_region"global"

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