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Run: 2026-03-18-01KM088V0C4RQ3VJ7HXTYVW81C
Run Details
Model:
GPT-5.4 Nano (Reasoning)
Test:
Tool usage within Novelcrafter
Scenario:
Create alternate prose sections
Duration:
6.4s
Cost:
$0.001408
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: The Knight by the Stables" data-color="red"> Frederick drew Thunder to a slower pace as the castle’s stables came into view—roofed in dark slate, smelling of straw and iron-shod hooves. A stableboy hurried past with a bucket held close, as though the water itself might spill secrets. Then a voice cut through the clatter. “Easy there, lad. You’ll spook the horses.” Frederick turned in the saddle and saw the local knight striding toward him with the calm certainty of a man who expected the world to make room. Sir Roland wore his armor like a well-earned habit rather than a show of pride; the metal was dulled by travel, not polished by vanity. His plume stirred in the evening wind, and his gauntleted hand rested on the hilt of his sword as if it were a familiar tool. “I’m told you’re here to be trained,” Sir Roland went on, eyes narrowing briefly to take Frederick in—from saddle-worn boots to the hopeful determination in his face. “Not everyone arrives ready to learn. Some arrive ready to be impressed.” Frederick swallowed. “I— I’m ready, sir. Whatever you require.” Sir Roland’s mouth twitched, almost a smile. “Good. Then start by speaking plain. Knights don’t have time for bravado. Come—there’s work enough for a squire before nightfall.” </nc-section> <nc-section data-title="Version 2: A Stranger’s Welcome" data-color="green"> Near the stables, the air changed—thicker with hay-sweetness and the warm breath of animals. Frederick dismounted while Thunder stamped, impatient for a break. The stable doors creaked open, and lanternlight spilled across the yard in trembling bars. That was when Sir Roland appeared, as if he’d been waiting just beyond the edge of sight. One moment the yard was all hooves and shadows; the next, a knight was standing there, broad-shouldered and steady, his cloak brushing the stones with each measured step. “Frederick,” Sir Roland said, pronouncing the name like he’d already practiced it. “You look as though you’ve been riding longer than your body has any right to endure.” Frederick blinked. “My lord?” “Sir Roland,” the knight corrected mildly, then nodded toward the nearest stall. “The horses see fear. The harness sees hesitation. You’ll do fine if you remember you’re not alone here.” He gestured to the tack hanging neatly on pegs, then to Frederick’s hands. “First lessons are never in swordplay. Today you will learn how to hold a bridle without choking it, how to check a girth without guessing, and how to listen to what a beast is telling you when it thinks no one hears.” Frederick’s throat went dry. He steadied himself and offered his hands to the task with a careful respect. Sir Roland watched for a time in silence—assessing, not judging—before speaking again. “Try that again,” he said. “And this time, don’t fight the animal. Work with it.” </nc-section> <nc-section data-title="Version 3: Marks of the Road" data-color="blue"> Frederick led Thunder toward the stables, guided by the soft scrape of lantern hooks and the familiar rhythms of castle routine. The yard stones were cold beneath his boots, but the stable warmth rose like a promise. He had barely found the proper stall when a shadow fell across the lantern-glow. A knight approached—quiet at first, then unmistakable. Sir Roland’s armor caught the light in brief flashes, like distant lightning trapped in metal. He carried himself with the kind of authority that didn’t need volume; it simply filled the space. “Your stirrups are uneven,” Sir Roland observed, crouching slightly as if inspecting a blade’s edge rather than a boy’s gear. “That’s how you’ll fall in training, if you don’t correct it now.” Frederick tensed. “Sir Roland, I— I wasn’t sure—” “Sure enough to ride,” the knight said, and the words were neither praise nor blame—just truth. He reached out, straightened a strap with firm precision, and then stood. “You’ve come a long road with that harness. I can tell from the scuffs.” Frederick stared, surprised at how quickly Sir Roland seemed to read what Frederick had tried to hide. “How did you—” “Knights learn to notice,” Sir Roland replied. He looked past Frederick toward the castle doors, where torchlight flickered in the distance. “And we learn to spot danger before it speaks.” He released the strap and straightened the bridle’s line with a final, decisive movement. “Come. The stables will teach you discipline. Then the yard will teach you courage.” </nc-section>
created_at
"2026-03-18T10:36:11.676Z"
3/18/2026, 10:36:11 AM
model
"openai/gpt-5.4-nano-20260317"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
1995
moderation_latency
(null)
generation_time
5832
tokens_prompt
318
tokens_completion
1220
native_tokens_prompt
302
native_tokens_completion
1078
native_tokens_completion_images
0
native_tokens_reasoning
48
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
0.0014079
router
(null)
provider_responses
0
endpoint_id
"0c835f2e-c18d-4e8c-b245-e1e3bd08b97f"
id
"resp_09b07a9e7edccc5f0169ba801bbbc4819096b8f2f11c9fd3bb"
is_byok
false
latency
194
model_permaslug
"openai/gpt-5.4-nano-20260317"
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-1773830171-nCvUalRGEWwMdjSFhaX6"
upstream_id
"resp_09b07a9e7edccc5f0169ba801bbbc4819096b8f2f11c9fd3bb"
total_cost
0.0014079
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