NC Bench
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Run: 2026-02-19-01KHVPEJBPPGR0VMKBXJNJ01ZA
Run Details
Model:
Gemini 3.1 Pro (Preview)
Test:
Tool usage within Novelcrafter
Scenario:
Create alternate prose sections
Duration:
13.9s
Cost:
$0.016340
Provider:
Google AI Studio
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"> As I guided Thunder into the cobblestone courtyard, the familiar scents of sweet hay and oiled leather drifted from the grand stables. Emerging from the twilight shadows of the arched barn doors was a towering figure. Sir Roland, the celebrated local knight whose legend had drawn me to this fortress, stood with his thick arms crossed over his broad chest. "Steady your mount, young Frederick," he called out, his deep voice carrying easily over the clatter of hooves. The last rays of the sun caught the polished steel of his pauldrons, making him look as immovable as the castle walls. "Welcome to your new life. Get some rest tonight, for your true trials begin at dawn." </nc-section> <nc-section data-title="Version 2" data-color="green"> I slowed Thunder to a gentle walk as we approached the wooden pylons of the castle stables. The evening air was cooling quickly, and the stable hands were already sparking lanterns to life. Leaning casually against a hitching post, tossing an apple in one hand, was Sir Roland. He didn't look like the fearsome dragon-slayer of the tavern songs; instead, his weathered face broke into a welcoming, easy smile. "A magnificent stallion you've got there, lad," Roland said, stepping forward to offer the apple to Thunder, who took it eagerly. "I am Sir Roland. Let's get him brushed and watered. Tomorrow, we start making a knight out of you." </nc-section> <nc-section data-title="Version 3" data-color="blue"> Bringing Thunder to a sharp halt by the stable block, I dismounted, my muscles aching from the long journey. Before my boots had even settled in the dust, a gruff throat cleared directly behind me. I spun around to find Sir Roland, his battle-scarred visage stern and calculating in the fading light. Though he wore only a simple training tunic, he carried the unmistakable aura of a seasoned commander. "Punctual. I like that," the knight grunted, sizing me up with piercing, appraising eyes. "I am Sir Roland. See to your beast, Frederick. A knight is only as good as the care he gives his horse, and I expect perfection. Report to the armory once you have finished." </nc-section>
created_at
"2026-02-19T19:36:23.504Z"
2/19/2026, 7:36:23 PM
model
"google/gemini-3.1-pro-preview-20260219"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
3800
moderation_latency
(null)
generation_time
13726
tokens_prompt
318
tokens_completion
882
native_tokens_prompt
304
native_tokens_completion
1311
native_tokens_completion_images
0
native_tokens_reasoning
804
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
"STOP"
usage
0.01634
router
(null)
provider_responses
0
endpoint_id
"2abf5677-0826-45d9-8470-3d62c31d54a1"
is_byok
false
latency
3800
model_permaslug
"google/gemini-3.1-pro-preview-20260219"
provider_name
"Google AI Studio"
status
200
api_type
"completions"
id
"gen-1771529783-zaneOimm59OtKxaGRksn"
upstream_id
(null)
total_cost
0.01634
cache_discount
(null)
upstream_inference_cost
0
provider_name
"Google AI Studio"
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