Run: 2026-07-01-01KWE9910MS33T08Y285P331WA

Run Details

Duration:
12.0s
Cost:
$0.008760
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 - A Warm Welcome" data-color="red"> As Thunder's hooves clattered against the cobblestones leading to the stables, a broad-shouldered figure emerged from the shadows of the stable door. His armor bore the crest of the kingdom, polished despite the day's evident toil. "You must be young Frederick," the man said, his voice carrying the warmth of a summer hearth. "I am Sir Roland. Welcome to your new home, lad." He extended a calloused hand, his eyes crinkling with a genuine smile. "Come, let's see to your horse. You've had a long journey, and there's much to discuss before nightfall." </nc-section> <nc-section data-title="Chapter 1: The Arrival - A Stern Introduction" data-color="green"> Frederick barely had time to dismount before a stern voice cut through the evening air. "You're late." Sir Roland stood at the entrance of the stables, arms crossed, his weathered face unreadable in the fading light. "Squires are expected at the second bell, not the third." Frederick's stomach tightened with nerves as the knight approached, boots echoing against stone. Sir Roland circled Thunder once, appraising the horse with a critical eye, then turned his gaze upon the young squire. "Well, you're here now. That will have to do. Tomorrow, we begin at dawn—and dawn does not wait for latecomers." </nc-section> <nc-section data-title="Chapter 1: The Arrival - An Unexpected Camaraderie" data-color="blue"> A hearty laugh echoed from within the stables as Frederick led Thunder toward the entrance. "By the gods, that's a fine-looking stallion!" A man stepped into view, his armor slightly dented from what must have been years of service, his grin infectious despite the dirt smudged across his cheek. "Sir Roland, at your service—though I daresay your horse has more sense than half the squires I've trained." He clapped Frederick on the shoulder with unexpected familiarity. "Don't look so nervous, boy. We'll get you settled, fed, and by tomorrow you'll wish you were back home milking cows. Come now, tell me your name properly." </nc-section>
created_at"2026-07-01T07:28:43.041Z" 7/1/2026, 7:28:43 AM
model"anthropic/claude-sonnet-5-20260630"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2886
moderation_latency(null)
generation_time11942
tokens_prompt318
tokens_completion568
native_tokens_prompt435
native_tokens_completion789
native_tokens_completion_images(null)
native_tokens_reasoning34
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"
usage0.00876
router(null)
provider_responses
0
endpoint_id"37b16f45-eeae-45f3-9b85-2137f7c6d61b"
id"msg_01VgwgG6dsoWiNtsvMHjvfGp"
is_byokfalse
latency1654
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-1782890923-VrKlQfd3cUzbsDZw6Dvd"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1782890923-GngSIgvcvlnlCGujQXI3"
upstream_id"msg_01VgwgG6dsoWiNtsvMHjvfGp"
total_cost0.00876
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