Run: 2026-07-01-01KWE8Q30FM4JX3VMYWQF44Q9P

Run Details

Duration:
14.3s
Cost:
$0.009070
Provider:
Amazon Bedrock

Evaluation summary

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

AI
<nc-section data-title="Chapter 1: The Arrival (Version 1)" data-color="red"> As Thunder's hooves clattered against the cobblestones near the stables, a broad-shouldered man stepped out from the shadows of the archway. His armor bore the dents and scratches of countless battles, and a long scar ran across his weathered cheek. "You must be the new squire," he said, his voice gruff but not unkind. "I am Sir Roland. I've been expecting you." He extended a calloused hand toward Frederick, his sharp eyes assessing the young man with the practiced gaze of a seasoned warrior. "Come, boy. Let's see if you have what it takes to serve a knight of the realm." </nc-section> <nc-section data-title="Chapter 1: The Arrival (Version 2)" data-color="green"> Near the stables, a cheerful voice called out, "Ho there! You must be young Frederick!" A knight in gleaming armor emerged, his golden hair catching the last rays of sunlight. Sir Roland's smile was warm and genuine as he approached, clapping a friendly hand on Frederick's shoulder as he dismounted. "Welcome, welcome! I've heard good things about you from your father. Don't look so nervous—we'll have you feeling at home in no time." He laughed heartily, gesturing toward the stable boys already tending to Thunder. "Come, let me show you around. There's much to learn, but plenty of time to learn it." </nc-section> <nc-section data-title="Chapter 1: The Arrival (Version 3)" data-color="blue"> The stable doors creaked open, and a tall figure stepped into the fading light. Sir Roland stood with quiet dignity, his posture straight as a spear, his eyes calm and knowing. "Frederick," he said simply, as though he had already known the boy for years. "I trust your journey was uneventful?" He studied the young squire for a long moment, neither smiling nor frowning, simply observing. "There is much work ahead of us. The path to knighthood is not an easy one, but I sense you already understand this." He turned toward the stable entrance, motioning for Frederick to follow. "Come. The castle has been waiting." </nc-section>
created_at"2026-07-01T07:18:55.476Z" 7/1/2026, 7:18:55 AM
model"anthropic/claude-sonnet-5-20260630"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency4412
moderation_latency(null)
generation_time14003
tokens_prompt318
tokens_completion578
native_tokens_prompt435
native_tokens_completion820
native_tokens_completion_images(null)
native_tokens_reasoning49
native_tokens_cached0
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
num_fetches(null)
web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"end_turn"
service_tier"default"
usage0.00907
router(null)
provider_responses
0
endpoint_id"37b16f45-eeae-45f3-9b85-2137f7c6d61b"
id"msg_01V3wABUoWDcDXZXqLWaanqH"
is_byokfalse
latency2755
model_permaslug"anthropic/claude-sonnet-5-20260630"
provider_name"Amazon Bedrock"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.17.0; linux; x64))"
http_referer(null)
request_id"req-1782890335-S4EicFgBHSutNfftoY14"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1782890335-5YckkgNmA22wSIgXYaVe"
upstream_id"msg_01V3wABUoWDcDXZXqLWaanqH"
total_cost0.00907
cache_discount(null)
upstream_inference_cost0
provider_name"Amazon Bedrock"
response_cache_source_id(null)
data_region"global"

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