NC Bench
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Run: 2026-02-16-01KHKA3YESVJQERJAFSVND5S11
Run Details
Model:
GPT-5 Mini
Test:
Tool usage within Novelcrafter
Scenario:
Create alternate prose sections
Duration:
9.0s
Cost:
$0.002040
Provider:
OpenAI
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's Welcome" data-color="red"> Sir Roland stood between two shadowed stalls, cloak still damp from the ride, and tipped his helm with a practiced, polite motion that made the metal sing. "Welcome to Blackfen, Frederick," he said, voice even and measured, as if each word were weighed on a scale. He reached out to pat Thunder's neck with a gauntleted hand, then studied me with eyes the color of old steel. There was no arrogance in him—only the kind of authority that calmed men rather than cowed them. "You'll find the castle is both teacher and taskmaster," he added. "Keep your wits about you, learn quickly, and you will do well." I felt a swell of both pride and nerves at his gaze; Sir Roland's approval, faint as it might be, felt like a first lesson in itself. </nc-section> <nc-section data-title="Version 2 — A Warm Handshake" data-color="green"> Sir Roland laughed before he spoke, the sound rich and warm as he eased down from his horse and unfastened his helm. "By the gods, boy, you ride like the wind," he teased, clapping me on the shoulder with a grip that surprised me with its strength. His smile was easy, the kind that invited confidence rather than suspicion. "I'm Roland of Blackfen, local nuisance and sometime knight," he announced with a wink. He ushered me toward the feed bins and pointed out a place for Thunder to drink. "Come eat with us tonight—my table isn't fit for lords, but it's honest. We'll talk training, tales, and how not to embarrass yourself at the barracks." The invitation settled any last of my unease; for a moment the castle seemed less like a fortress and more like a place I might belong. </nc-section> <nc-section data-title="Version 3 — A Warning in the Shadows" data-color="blue"> He stood half-hidden where the stable shadows met the torchlight, silhouette broad and rigid as a wall. Sir Roland's greeting was a nod, but his eyes never left mine; they flicked to my pack, to my blade, and then back as if reading some incoming tide. "Frederick," he said, voice low and edged with caution. "This place will teach you to fight, or it will teach you to die trying. There are men in the castle who keep secrets like knives, and the road beyond these gates keeps worse." He stepped closer, lowering his voice. "Watch alliances more keenly than wounds. Trust earns you friends; too much trust earns you a traitor's blade." The warning landed heavier than any sword strike I had imagined, and beneath it lay the unmistakable offer of guidance—if I could prove I was worth the price. </nc-section>
created_at
"2026-02-16T13:27:07.717873+00:00"
2/16/2026, 1:27:07 PM
model
"openai/gpt-5-mini-2025-08-07"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
2695
moderation_latency
(null)
generation_time
8488
tokens_prompt
318
tokens_completion
955
native_tokens_prompt
302
native_tokens_completion
982
native_tokens_completion_images
0
native_tokens_reasoning
320
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
0.0020395
router
(null)
provider_responses
0
id
"resp_09f83cb44f6a72610169931b2154608196806879ffb4fe21c7"
status
200
is_byok
false
latency
123
endpoint_id
"c4f66d01-20b0-4c27-a225-438ea22fda43"
provider_name
"OpenAI"
model_permaslug
"openai/gpt-5-mini-2025-08-07"
api_type
"completions"
id
"gen-1771248417-EZEaAqmH14X5rSpW3aHC"
upstream_id
"resp_09f83cb44f6a72610169931b2154608196806879ffb4fe21c7"
total_cost
0.0020395
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
100.0000%