NC Bench
Overview
About
Tests
Models
Model
Claude Haiku 4.5
Test
Tool usage within Novelcrafter
Scenario
Create alternate prose sections
Run ID
2026-02-08-01KGYWZE3MJ81XDQEEPE6GRKC3
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: A Stern Welcome" data-color="red"> As I dismounted from Thunder, a gruff voice called out from the shadows of the stables. "So, you're the new squire." Sir Roland emerged, his weathered face scarred from countless battles. He was a towering man, with steel-gray eyes that seemed to pierce through me. "I hope you're prepared for the discipline that awaits you here, boy. The training will be harsh, and many have broken before completing it." He grabbed Thunder's reins without ceremony. "Your horse will be cared for. Now follow me—we have much to discuss about your duties." </nc-section> <nc-section data-title="Version 2: A Gentle Introduction" data-color="green"> A kind voice greeted me as I approached the stables. "Welcome, Frederick. I am Sir Roland." The knight emerged with a warm smile, his armor gleaming in the fading sunlight. Despite his impressive build and the scars adorning his arms, there was a gentleness in his demeanor. He extended his hand in friendship. "I remember what it was like to arrive here as a young man, full of dreams and uncertainty. Come, let me show you to the armory, and then we'll find you quarters for the night. You've had a long journey." </nc-section> <nc-section data-title="Version 3: A Test of Character" data-color="blue"> Before I could even secure my horse, Sir Roland stepped forward, blocking my path. "Tell me, squire—what matters more to you: your comfort or your steed's welfare?" His question was pointed, his eyes studying my reaction carefully. I realized this was no casual greeting, but a test. Without hesitation, I turned back to Thunder, ensuring he had water and proper shelter before answering. Sir Roland nodded slowly, a hint of approval crossing his weathered face. "Good. That answer tells me everything I need to know about your character. Welcome to the castle, Frederick." </nc-section>
created_at
"2026-02-08T15:12:35.372561+00:00"
Sunday, February 8th, 2026 at 3:12:35 PM GMT+00:00
model
"anthropic/claude-4.5-haiku-20251001"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
572
moderation_latency
(null)
generation_time
5133
tokens_prompt
282
tokens_completion
428
native_tokens_prompt
335
native_tokens_completion
467
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
0.00267
router
(null)
provider_responses
0
id
"msg_01Wp8YWcxYt2ATFnRsqF9jNY"
status
200
is_byok
false
latency
572
endpoint_id
"41d2915a-92e6-4993-b537-210b4e10cba8"
provider_name
"Anthropic"
model_permaslug
"anthropic/claude-4.5-haiku-20251001"
api_type
"completions"
id
"gen-1770563549-irpgkmePrbugtsQWV24N"
upstream_id
"msg_01Wp8YWcxYt2ATFnRsqF9jNY"
total_cost
0.00267
cache_discount
(null)
upstream_inference_cost
0
provider_name
"Anthropic"
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%