Run: 2026-07-09-01KX3ZZAZGK1AS4BBB2RNY3CNR

Run Details

Duration:
4.0s
Cost:
$0.003758
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 drew Thunder to a halt beneath the shadow of the castle wall. A broad-shouldered knight in a weathered cloak stepped from among the stalls, his silver badge glinting in the dying light. “Frederick?” he called. “Yes, sir.” “I am Sir Roland, master of the castle’s young squires.” His gaze traveled from Frederick’s travel-stained boots to the sword at his hip. “You have arrived late.” “Late, perhaps,” Frederick replied, dismounting, “but not empty-handed.” A faint smile touched Roland’s stern face. “Good. The first lesson of knighthood is knowing what must be carried—and what must be left behind. Bring your horse inside. Tomorrow, we see whether you are worthy of that blade.” </nc-section> <nc-section data-title="Version 2" data-color="green"> Frederick found Sir Roland beside the stables, where the knight was rubbing down a massive gray charger. Lanternlight shone across Roland’s scarred face, making him look less like a noble guardian and more like a survivor of some ancient war. “You’re the new squire,” Roland said without turning. Frederick bowed. “Frederick of Westmere, sir.” “Then Westmere has sent us a very muddy squire.” Roland glanced at Thunder and nodded approvingly. “At least your horse has better manners.” Despite his weariness, Frederick laughed. Sir Roland tossed him a brush. “Care for the animals first. A knight who cannot tend a horse will never command an army.” As Frederick reached for Thunder’s reins, a distant roar rolled across the hills. The horses shied. Roland’s humor vanished. “Inside,” he ordered. “Now.” </nc-section> <nc-section data-title="Version 3" data-color="blue"> At the stable gate, Frederick was met by a tall knight wearing a cloak the color of midnight. A single white streak ran through his dark beard, and an old burn marked the side of his neck. “Frederick,” the knight said. “I am Sir Roland.” Frederick bowed deeply. “I am honored, sir.” “Honor is earned here, not inherited.” Roland stepped closer, lowering his voice. “You were told you came to learn swordplay, were you not?” “Yes, sir.” “That is what the castle tells everyone.” His eyes flicked toward the highest tower, where a raven circled against the sunset. “But there are older dangers beneath these stones, and soon you may be called to face them.” Before Frederick could ask what he meant, the stable doors slammed open behind them. Every horse began to scream. </nc-section>
created_at"2026-07-09T17:49:25.88Z" 7/9/2026, 5:49:25 PM
model"openai/gpt-5.6-luna-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency530
moderation_latency(null)
generation_time3474
tokens_prompt318
tokens_completion699
native_tokens_prompt302
native_tokens_completion576
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"
usage0.003758
router(null)
provider_responses
0
endpoint_id"eebea444-34a5-4642-a766-cb319471d33a"
id"resp_05f58999868949c3016a4fdf25f47c8194be54cddbb7110b95"
is_byokfalse
latency253
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-1783619365-99NAH5t2DHF7lMHj7CU1"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783619365-EZkX8VRtsp9W84SJtMxG"
upstream_id"resp_05f58999868949c3016a4fdf25f47c8194be54cddbb7110b95"
total_cost0.003758
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