Run: 2026-07-09-01KX4150Y5BFP32D69HFK8CVY3

Run Details

Duration:
4.8s
Cost:
$0.003656
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 rein as a broad-shouldered knight stepped from beneath the archway. His silver cloak bore the castle’s golden griffin, and a scar ran from his left brow to the edge of his jaw. “Frederick?” the knight called. “Yes, my lord.” “I am Sir Roland, master of arms.” His gaze swept over the young squire, then settled on Thunder. “You arrived with a fine horse. Let us hope you possess equal strength.” Frederick dismounted, trying not to stumble beneath the knight’s inspection. Before he could answer, the stable doors shuddered. From within came a low, distant growl. Sir Roland’s expression hardened. “Leave the horse. Follow me—and speak of this to no one.” </nc-section> <nc-section data-title="Version 2" data-color="green"> The stable yard smelled of hay, leather, and rain-wet stone. As Frederick led Thunder toward the stalls, a knight in a green-plumed helm approached with an easy smile. “You must be the new squire,” he said. “Frederick, is it?” Frederick bowed. “Yes, Sir.” “Sir Roland.” The knight clasped his forearm warmly. “Your journey was long. Eat first, polish later. A hungry squire makes a poor servant and an even poorer warrior.” Frederick smiled, relieved—until Roland glanced toward the western tower. “Did you see anything strange on the road?” Only then did Frederick notice the dark smoke curling above the distant forest, though no fire burned beneath it. Sir Roland’s smile faded. “Come,” he murmured. “The king’s council must hear what you saw.” </nc-section> <nc-section data-title="Version 3" data-color="blue"> Thunder had barely crossed the threshold of the stables when a voice rang through the twilight. “Hold there!” A knight emerged between the stalls, his blue cloak shining like a shard of evening sky. He was older than Frederick had expected, with weathered features and sharp gray eyes. “I am Sir Roland,” he said. “And you are late.” Frederick swallowed. “The road was blocked by—” “By what?” Before Frederick could reply, the castle bell tolled once. Every horse in the stable reared against its tether. Thunder’s ears pricked, and a faint blue light flickered beneath his mane. Sir Roland stared at the glow. “Where did you find that horse?” he whispered. Frederick looked from the stallion to the knight. “He found me.” </nc-section>
created_at"2026-07-09T18:10:00.783Z" 7/9/2026, 6:10:00 PM
model"openai/gpt-5.6-luna-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency491
moderation_latency(null)
generation_time4303
tokens_prompt318
tokens_completion673
native_tokens_prompt302
native_tokens_completion559
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"
usage0.003656
router(null)
provider_responses
0
endpoint_id"eebea444-34a5-4642-a766-cb319471d33a"
id"resp_09f266e1f3863712016a4fe3f8e430819794a3af20f144f91e"
is_byokfalse
latency239
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-1783620600-MVyQYVoi8Rl8yDoRtKqf"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783620600-rBWQe6huMEuEqQOTh75w"
upstream_id"resp_09f266e1f3863712016a4fe3f8e430819794a3af20f144f91e"
total_cost0.003656
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