NC Bench
Overview
About
Tests
Categories
Models
Vendors
Compare
Run: 2026-03-09-01KKAC9ZS9HEZAPRQKRDYE7RRY
Run Details
Model:
GPT-5.4 (Reasoning, Low)
Test:
Tool usage within Novelcrafter
Scenario:
Create alternate prose sections
Duration:
21.0s
Cost:
$0.015860
Provider:
OpenAI
Evaluation summary
Score
Evaluator
Details Link
Pass
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 smell of hay and leather hung thick in the evening air. Frederick slid down from Thunder’s back, his boots striking the packed earth with a nervous thud. Before he could gather the reins properly, a broad-shouldered knight stepped out from the stable doors, his chainmail glinting in the last red light of sunset. “You must be Frederick,” the man said, his voice deep but not unkind. Frederick straightened at once. “Yes, sir.” The knight gave a small nod. “Sir Roland, master of arms for the outer yard. I was told to expect you.” His sharp eyes studied the boy for a moment, noting the dust of travel on his cloak and the uncertainty in his face. Then his expression softened. “First days are always harder than battles seem in songs.” Frederick managed a faint smile. Sir Roland took Thunder’s reins with practiced ease and gave the stallion an approving look. “Fine horse. If he likes you, that is worth something.” He handed the reins to a stable boy and turned back to Frederick. “Come. You’ll have food, a cot, and at dawn, your real life begins.” Frederick glanced toward the towering castle above them, its high windows burning gold in the dusk. His heart pounded with fear and wonder together. Without another word, he followed Sir Roland into the shadow of the stables, stepping at last into the world he had dreamed of. </nc-section> <nc-section data-title="Version 2" data-color="green"> The stables were alive with the sounds of stamping hooves, creaking wood, and murmuring grooms. Frederick had barely dismounted when a knight in a forest-green surcoat emerged from between the stalls. He was tall, weathered, and carried himself with the easy confidence of a man who had spent half his life in armor. “So,” the knight said, folding his arms, “the new squire has finally arrived.” Frederick swallowed and bowed awkwardly. “Frederick of Dunmere, sir.” “Sir Roland,” the knight replied. A brief smile touched his scarred face. “No need to look as though you’re being led to execution. The castle is cruel only before dawn and during training.” That drew a startled laugh from Frederick. Sir Roland seemed pleased by it. He stepped closer, lowering his voice. “Listen well. You will be shouted at, bruised, and made to feel smaller than a stable mouse before long. That is the way of it. But if you endure, you may become something stronger than the frightened boy who rode in here tonight.” Frederick looked up at him, surprised to find not mockery, but honesty. A groom came to take Thunder, and Sir Roland gestured toward the courtyard beyond. Torches were being lit one by one, and the castle seemed to wake into a different life beneath the darkening sky. “Come along,” said Sir Roland. “Let us see whether fate brought us a squire… or something more.” </nc-section> <nc-section data-title="Version 3" data-color="blue"> Frederick led Thunder toward the stables, trying to appear more confident than he felt. Lantern light spilled from the open doors, and within, rows of horses shifted in their stalls like restless shadows. As he approached, a knight stepped out to meet him, his blue cloak stirring gently in the evening breeze. He was older than Frederick had expected, with iron-gray hair at his temples and a face marked by years of war and weather. Yet there was warmth in his eyes. “Welcome to Castle Evermere,” he said. “I am Sir Roland.” Frederick bowed quickly. “It is an honor, sir.” Sir Roland inclined his head. “We shall see whether you still think so after your first week.” The words were stern, but the hint of humor behind them eased the tightness in Frederick’s chest. Sir Roland rested a gauntleted hand briefly on Thunder’s neck, and the stallion, usually proud with strangers, stood strangely calm. “A good beast,” Sir Roland said. “And a long road behind you, I think.” “Yes, sir.” “Then tonight you may rest.” Sir Roland looked toward the castle towers rising against the deepening blue of the sky. “Tomorrow, you will learn how little rest a squire truly earns.” Frederick followed his gaze upward. The castle no longer seemed only grand; it seemed immense, ancient, and full of secrets. When Sir Roland turned and motioned for him to follow, Frederick obeyed at once, carrying with him the first stirring sense that his arrival here was the beginning of far more than training. </nc-section>
created_at
"2026-03-09T22:43:26.131Z"
3/9/2026, 10:43:26 PM
model
"openai/gpt-5.4-20260305"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
869
moderation_latency
(null)
generation_time
20866
tokens_prompt
318
tokens_completion
1191
native_tokens_prompt
302
native_tokens_completion
1007
native_tokens_completion_images
0
native_tokens_reasoning
11
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
"stop"
native_finish_reason
"completed"
usage
0.01586
router
(null)
provider_responses
0
endpoint_id
"9ff5625c-403f-4d7f-b895-58ac7295062c"
id
"resp_08933561e914601d0169af4d0e33a08193a6a53a95191374a0"
is_byok
false
latency
219
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-1773096206-TvyOAiAHkdkDbVxWfb2n"
upstream_id
"resp_08933561e914601d0169af4d0e33a08193a6a53a95191374a0"
total_cost
0.01586
cache_discount
(null)
upstream_inference_cost
0
provider_name
"OpenAI"
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