Run: 2026-07-01-01KWE9RDBY3BEJ2PMQ833M4PVY

Run Details

Duration:
11.3s
Cost:
$0.008580
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, a broad-shouldered man stepped out from the shadow of the stables. His armor bore the dents and scratches of countless battles, and a scar ran across his weathered cheek. "You must be the new squire," he called out, his voice deep and commanding. "I am Sir Roland. Climb down from that horse and let's see what kind of man they've sent me this time." His eyes, sharp as a hawk's, studied Frederick with an intensity that made the young squire's stomach tighten with nervous anticipation. </nc-section> <nc-section data-title="Chapter 1: The Arrival - Version 2" data-color="green"> Near the stables, a knight in gleaming silver armor turned at the sound of approaching hooves. His face broke into a warm, welcoming smile as he recognized the crest on Frederick's satchel. "Ah, you must be young Frederick! I'm Sir Roland," he said, extending a gauntleted hand to help the squire dismount. "We've been expecting you. Thunder there looks like he could use a good brushing and some oats after that ride." The knight's kind eyes crinkled at the corners, and Frederick immediately felt a weight lift from his shoulders—perhaps this castle wouldn't be so intimidating after all. </nc-section> <nc-section data-title="Chapter 1: The Arrival - Version 3" data-color="blue"> The stable boy hurried forward to take Thunder's reins just as a tall figure emerged from between the wooden stalls, brushing hay from his tunic. "Steady there, lad," Sir Roland said, though whether he spoke to the horse or to Frederick himself was unclear. He approached with measured steps, his posture radiating quiet authority earned through years of service. "So you're the one Lord Aldric has sent for training. I've seen many squires come through these gates," he said, circling Frederick with an appraising eye, "but time will tell if you have what it takes to become a true knight of this realm." </nc-section>
created_at"2026-07-01T07:37:07.211Z" 7/1/2026, 7:37:07 AM
model"anthropic/claude-sonnet-5-20260630"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2865
moderation_latency(null)
generation_time11234
tokens_prompt318
tokens_completion565
native_tokens_prompt435
native_tokens_completion771
native_tokens_completion_images(null)
native_tokens_reasoning51
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"
usage0.00858
router(null)
provider_responses
0
endpoint_id"37b16f45-eeae-45f3-9b85-2137f7c6d61b"
id"msg_01QBMTKpLMwNraioBCNsZDyD"
is_byokfalse
latency1579
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-1782891427-rZzefykHoEdSW3lXheYn"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1782891427-v0oPaoMzWObwClrNwrQi"
upstream_id"msg_01QBMTKpLMwNraioBCNsZDyD"
total_cost0.00858
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