Run: 2026-09-03-01M1K5QH780JY7ZAPF37JTXW8P

Run Details

Duration:
9.5s
Cost:
$0.005768
Provider:
Meta

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="Version 1 - The Stern Welcome" data-color="red"> Frederick had barely dismounted at the stables, his boots still dusty from the ride, when a towering figure in polished plate stepped from the shadows of the hayloft. Sir Roland, his beard streaked with grey and his cloak bearing the sigil of the white hawk, looked him up and down with a critical eye. "So you're the new squire," Roland said, his voice gruff but not unkind. "Thunder's a fine horse, but he'll need tending. So will that saddle. We start before dawn, boy. If you're late, you'll muck stalls for a week. Understood?" Frederick swallowed his nerves and nodded quickly. "Yes, Sir Roland." Roland's stern face cracked into a brief, approving smile. "Good. Leave your horse to me tonight. Come, I'll show you where you'll sleep." </nc-section> <nc-section data-title="Version 2 - The Warm Welcome" data-color="green"> The stables were warm and smelled of hay and leather when Frederick led Thunder inside. A knight was already there, brushing down a great dapple-grey destrier. He turned, his face kind and weathered beneath a mop of brown hair. "You must be Frederick," the knight said warmly, setting aside his brush and extending a calloused hand. "I am Sir Roland. We've been expecting you." Frederick shook his hand, relieved at the friendly greeting. "Thank you, sir. I hope I haven't kept you waiting." "Not at all," Roland laughed, taking Thunder's reins gently. "Any squire who cares enough to walk his horse cool after a long ride is welcome here. Come, let's get Thunder settled with some water and oats, and then I'll take you to the kitchens. You've had a long journey." </nc-section> <nc-section data-title="Version 3 - The Ominous Welcome" data-color="blue"> Near the stables, the evening mist was already gathering. Frederick was patting Thunder's neck when a voice spoke from behind him, making him jump. "We don't get many new squires this late in the year." Sir Roland leaned against the stable door, arms crossed. His armor was dented and unpolished, and his eyes were sharp beneath his helm. He did not smile. "Tell me, Frederick," he said quietly as he stepped closer. "Do you know why you were sent here to train under me, and not at the King's barracks in the capital?" Frederick hesitated. "No, Sir Roland." Roland glanced toward the dark silhouette of the castle's high tower, where a single light burned. "Because this castle has need of squires who don't ask too many questions. And dragons, boy — they have not been as gone as the stories say. Remember that." </nc-section>
created_at"2026-09-03T08:21:25.359Z" 9/3/2026, 8:21:25 AM
model"meta/muse-spark-1.2-20260805"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency3002
moderation_latency(null)
generation_time9489
tokens_prompt303
tokens_completion685
native_tokens_prompt303
native_tokens_completion1268
native_tokens_completion_images0
native_tokens_reasoning629
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"completed"
service_tier"auto"
usage0.00576775
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer(null)
request_id"req-1788423685-Tj3kyO3XLXiNPrZly4ms"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1788423685-bsDqKSIc8Xqes9PINwZ5"
upstream_id"resp_6a992e053dd8704927114ed6"
provider_responses
0
endpoint_id"ffc8e76e-808a-44d2-bd21-c6ac16e721cb"
id"resp_6a992e053dd8704927114ed6"
is_byokfalse
latency421
model_permaslug"meta/muse-spark-1.2-20260805"
provider_name"Meta"
status200
total_cost0.00576775
cache_discount(null)
upstream_inference_cost0
provider_name"Meta"
response_cache_source_id(null)
data_region"global"
workspace_id"97e315e5-d303-487d-83c1-83180e8a13d4"

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