Run: 2026-04-25-01KQ2HYFTYE86RM61GK2B35MGG

Run Details

Duration:
9.5s
Cost:
$0.000185
Provider:
DeepSeek

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"> The clatter of Thunder's hooves against the cobblestones echoed in the bailey as I reined him to a halt near the stables. A man, broad as an oak and clad in dented plate armor, stepped from the shadow of the stable arch. His face was a roadmap of old scars, and his eyes, the color of cold iron, appraised me with undisguised skepticism. "So, you're the new whelp," he grunted, his voice a low rumble that set the horses shuffling. He didn't offer a hand. "I am Sir Roland. Your training begins at dawn. Do not be late." He turned his back without another word, leaving me alone with the smell of hay and horse, the weight of his judgment settling on my shoulders. </nc-section> <nc-section data-title="Version 2: The Warm Mentor" data-color="green"> I was struggling to loosen Thunder's girth strap—my hands were clumsy with a mix of exhaustion and excitement—when a friendly voice called out, "Need a hand, lad?" I turned to see a knight approaching, his silver hair cropped short and a warm smile crinkling the corners of his eyes. He wore no helmet, and the afternoon sun caught the polished steel of his pauldrons. He reached past me and, with a practiced flick, freed the buckle. "I'm Sir Roland. I've been expecting you, Frederick. Word travels fast in a castle like this." He clapped me on the shoulder, a firm, reassuring weight. "Come, let's get your beast settled. Lady Margaery has already ordered a hot meal for you in the hall." </nc-section> <nc-section data-title="Version 3: The Mysterious Observer" data-color="blue"> As I dismounted, a strange stillness fell over the stable yard. The usual bustle of grooms and servants seemed to recede, and in the quiet, I noticed a knight leaning against a post, watching me. He was lean, almost gaunt, in dark, unadorned armor. His face was half-hidden in the shadow of his hood, but I could see one pale blue eye, unnervingly sharp. He didn't move as I fumbled with my saddlebags. Finally, he pushed off from the post and walked towards me, his boots making no sound on the straw. "Frederick," he said. It was not a question. His voice was low and carried the faintest trace of an accent I couldn't place. He was Sir Roland. He said nothing more for a long moment, only studying my face as if reading a forgotten prophecy. Then, just as suddenly, a flicker of what might have been recognition crossed his features. "Your father had the same look in his eyes," he murmured, and walked away into the deeper shadows of the castle. </nc-section>
created_at"2026-04-25T14:50:52.645Z" 4/25/2026, 2:50:52 PM
model"deepseek/deepseek-v4-flash-20260423"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency831
moderation_latency(null)
generation_time9417
tokens_prompt318
tokens_completion653
native_tokens_prompt291
native_tokens_completion618
native_tokens_completion_images(null)
native_tokens_reasoning0
native_tokens_cached256
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"stop"
usage0.000185108
router(null)
provider_responses
0
endpoint_id"722e0746-2034-4d6e-a08f-e6271849ee9e"
id"d498679f-1f69-428b-ab2e-62110febaaa5"
is_byokfalse
latency452
model_permaslug"deepseek/deepseek-v4-flash-20260423"
provider_name"DeepSeek"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer(null)
request_id"req-1777128652-7NV0e0wDIcBQIIBVbanf"
session_id(null)
api_type"completions"
id"gen-1777128652-rzw8yrzaZOzXw9qqkNlg"
upstream_id"d498679f-1f69-428b-ab2e-62110febaaa5"
total_cost0.000185108
cache_discount0.000028672
upstream_inference_cost0
provider_name"DeepSeek"
response_cache_source_id(null)

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