NC Bench
Overview
About
Tests
Categories
Models
Vendors
Compare
Run: 2026-03-06-01KK1HNFD59E61WCPYX5R7NDCK
Run Details
Model:
GPT-5.4
Test:
Tool usage within Novelcrafter
Scenario:
Create alternate prose sections
Duration:
19.2s
Cost:
$0.015135
Provider:
OpenAI
Evaluation summary
Score
Evaluator
Details Link
Fail
Match blue prose section
(details)
Pass
Match green prose section
(details)
Pass
Match red prose section
(details)
no eval
Overall
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
Messages
Meta
AI
<nc-section data-title="Version 1" data-color="red"> Near the stables, the sharp scent of hay and leather hung in the cooling evening air. Frederick had scarcely swung down from Thunder’s saddle when a broad-shouldered knight stepped from the stableyard shadows, his spurs chiming softly against the stone. He wore no helm, and the last light of sunset caught in his close-cropped hair and the silver clasp of his cloak. “You’ll be Frederick, then,” the knight said, his voice steady and warm. “I am Sir Roland, master of the yard and, for your sins, one of the men charged with teaching you.” Frederick straightened at once, brushing dust from his tunic. “Yes, sir.” Sir Roland’s stern face softened with the ghost of a smile as he laid a gloved hand on Thunder’s neck. “Fine horse. Calm eye. He carried you well.” His gaze returned to Frederick, measuring him with a veteran’s ease. “The road has made you tired, I’ve no doubt, but the castle does not sleep for new squires. Stable your mount, then report to the inner ward. If you mean to serve here, boy, you’ll learn quickly that every task begins with care—for your blade, your armor, and your beast.” Frederick nodded, feeling both the weight of the knight’s words and the spark of pride beneath them. As Sir Roland turned toward the torchlit yard, Frederick followed, sensing that with this greeting his true life at the castle had finally begun. </nc-section> <nc-section data-title="Version 2" data-color="green"> The stable doors stood open, spilling lantern light across the cobbles as Frederick led Thunder inside. Horses shifted in their stalls, and somewhere in the rafters a swallow fluttered. Before he could ask where to tether his mount, a knight emerged from between the stalls, wiping his hands on a cloth darkened with oil and dust. He was older than Frederick had expected, with a weathered face and a scar running from the corner of one eye down into his beard. Yet there was nothing harsh in the way he looked at the boy. “So,” the knight said, inclining his head, “the new squire has arrived before full dark. That already puts you above half the lads sent here.” He gave a short, amused breath. “Sir Roland, at your service.” Frederick bowed awkwardly. “It is an honor, sir.” “Honor is well enough,” Sir Roland replied, taking Thunder’s reins with practiced hands. “But obedience, patience, and a willingness to rise before dawn will serve you better here.” He checked the horse’s tack with a quick glance, then handed the reins back. “You’ve kept your mount in decent order. Good. A careless rider is of no use to king or kingdom.” Frederick felt his cheeks warm, unsure whether he had just been praised or warned. Sir Roland seemed to notice, for his expression eased. “Come,” the knight said. “See to your horse, and then I’ll show you where squires sleep. Tomorrow, your training begins.” At those words, the long journey suddenly felt real to Frederick. The castle was no longer a distant dream on the horizon, but a place of duty, discipline, and the promise of becoming more than he had been. </nc-section> <nc-section data-title="Version 3" data-color="blue"> Frederick guided Thunder toward the stables, where the murmur of grooms and the stamp of hooves filled the evening yard. Before he reached the trough, a knight in a dark surcoat stepped into his path. His armor was plain but well-kept, and though he carried himself with authority, his eyes were kind. “You’ve the look of a road-weary traveler and the posture of a boy trying hard not to show it,” the knight said. “That makes you
created_at
"2026-03-06T12:23:55.567Z"
3/6/2026, 12:23:55 PM
model
"openai/gpt-5.4-20260305"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
475
moderation_latency
(null)
generation_time
19116
tokens_prompt
318
tokens_completion
956
native_tokens_prompt
318
native_tokens_completion
956
native_tokens_completion_images
(null)
native_tokens_reasoning
0
native_tokens_cached
0
num_media_prompt
(null)
num_input_audio_prompt
(null)
num_media_completion
0
num_search_results
(null)
origin
"https://ncbench.com/"
is_byok
false
finish_reason
(null)
native_finish_reason
(null)
usage
0.015135
router
(null)
provider_responses
0
endpoint_id
"9ff5625c-403f-4d7f-b895-58ac7295062c"
id
"resp_08ce39a66a2ab91a0169aac75ba4548197b1418312f866b8a9"
is_byok
false
latency
163
model_permaslug
"openai/gpt-5.4-20260305"
provider_name
"OpenAI"
status
200
user_agent
"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer
(null)
api_type
"completions"
id
"gen-1772799835-eDsRPsrDLwneA2RjA8pc"
upstream_id
"resp_08ce39a66a2ab91a0169aac75ba4548197b1418312f866b8a9"
total_cost
0.015135
cache_discount
(null)
upstream_inference_cost
0
provider_name
"OpenAI"
Evaluation details
Result
Evaluator
Details
Meta Data
Fail
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