NC Bench
Overview
About
Tests
Models
Model
Claude Haiku 4.5
Test
Tool usage within Novelcrafter
Scenario
Create alternate prose sections
Run ID
2026-02-08-01KGYX03PAP6Q0BDDRFT740EQT
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: Sir Roland's Stern Welcome" data-color="red"> As I dismounted from Thunder, a gruff voice called out from the shadows of the stables. "Another fresh-faced squire, I see." Sir Roland emerged, his weathered face scarred from countless battles. The knight's armor gleamed in the fading light, but his eyes were cold and calculating. He studied me with the intensity of a master assessing his newest apprentice. "I am Sir Roland, master-at-arms of this castle. You'll find that training here is no pleasant affair, boy. Many have quit before the first moon wanes. The question is—will you be among them?" He extended a gauntleted hand, gripping mine with crushing force. Behind him, the stable hands worked in silence, as if even the horses held their breath in his presence. </nc-section> <nc-section data-title="Version 2: Sir Roland's Gracious Greeting" data-color="green"> A warm chuckle echoed from the stables as a tall, broad-shouldered knight approached, his armor polished to a mirror shine. "Welcome, young Frederick! I am Sir Roland, and I've been expecting you." His smile was genuine, his voice rich with kindness. He patted Thunder's neck with an experienced hand, and the horse nickered in response. "Fine beast you have here. A knight is only as good as his mount, you know." Sir Roland gestured toward the castle, his demeanor relaxed and approachable. "Come now, we've much to discuss before supper. The master of the castle has asked that I personally oversee your training. I believe you have great potential, lad. Shall we begin your journey together?" </nc-section> <nc-section data-title="Version 3: Sir Roland's Enigmatic Encounter" data-color="blue"> The stable door creaked open, and a figure emerged whose features were difficult to discern in the twilight. Sir Roland moved with an unusual grace, neither quite warrior-like nor entirely noble. "Frederick," he said, and the way he spoke my name suggested he knew far more about me than was comfortable. "I've heard whispers of your arrival on the wind. The castle has need of squires, yes, but not all who arrive here leave as they came." He paused, studying me with eyes that seemed to reflect the last rays of sunlight like molten silver. "Before we proceed with your training, you must understand—there are secrets in these walls. Old magic lingers in the stones. And the dragon..." he trailed off mysteriously, "...the dragon's shadow still touches this place. Are you prepared for what awaits you?" </nc-section>
created_at
"2026-02-08T15:12:59.570797+00:00"
Sunday, February 8th, 2026 at 3:12:59 PM GMT+00:00
model
"anthropic/claude-4.5-haiku-20251001"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
1555
moderation_latency
154
generation_time
7179
tokens_prompt
282
tokens_completion
564
native_tokens_prompt
335
native_tokens_completion
616
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
"stop"
native_finish_reason
"stop"
usage
0.003415
router
(null)
provider_responses
0
id
"a3f5f6e3-c5d7-4412-9e1f-97f663d893fa"
status
200
is_byok
false
latency
1555
endpoint_id
"d000261c-5aeb-47d1-ac87-ad64dbe1cdb6"
provider_name
"Amazon Bedrock"
model_permaslug
"anthropic/claude-4.5-haiku-20251001"
api_type
"completions"
id
"gen-1770563571-EycU8W08wlCbIsECqcfn"
upstream_id
"a3f5f6e3-c5d7-4412-9e1f-97f663d893fa"
total_cost
0.003415
cache_discount
(null)
upstream_inference_cost
0
provider_name
"Amazon Bedrock"
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%