Run: 2026-05-01-01KQHSQBY83H7Z86QV2HMMDS70

Run Details

Duration:
41.8s
Cost:
$0.008303
Provider:
xAI

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: Greeting at the Stables" data-color="red"> As the last light of sunset faded and the castle banners fell still in the cooling air, Frederick guided Thunder through the inner gates and toward the wide stable yard. The scent of hay, oil, and warm horseflesh wrapped around him like a welcome. He had barely swung from the saddle when a broad-shouldered knight in crimson-trimmed armor strode out from the stalls, his boots ringing on the cobbles. "Well met, young Frederick," the man called, voice warm and resonant. "I am Sir Roland, the local knight charged with tempering new squires like yourself. Your reputation reached us before you did." He clasped Frederick's forearm in a firm greeting, his weathered face breaking into a smile. "Come, let's see your stallion properly stabled. Then we begin your training in earnest. The Chronicles are written by those who first learn to stand steady in the saddle and the shield wall." </nc-section> <nc-section data-title="Version 2: Greeting at the Stables" data-color="green"> Twilight had claimed the sky by the time Frederick rode past the gatehouse and found the lantern-lit stables. Thunder snorted, sensing fresh water and rest. As Frederick loosened the girth, a tall figure stepped from the gloom between the stalls, armor reflecting the green-gold flicker of the nearest lantern. A longsword rested at his hip, and a thin white scar crossed one cheek. "Squire Frederick," the knight said, voice low and measured. "I am Sir Roland. They told me the new blood would arrive at dusk." He studied the youth with the appraisal of a man who had seen too many eager boys break beneath the weight of real steel. "Tend your horse first; a knight who neglects his mount neglects his honor. When you are finished, I will show you to the armory. These walls have stood since the time of the Last Dragon, and they expect those who shelter within them to be equally enduring." </nc-section> <nc-section data-title="Version 3: Greeting at the Stables" data-color="blue"> The banners snapped softly in the evening breeze as Frederick passed beneath the portcullis and turned Thunder toward the stables. The great horse's ears pricked at the sound of other animals shifting in their stalls. Before Frederick could dismount, a knight emerged from the blue shadows of the stable arch, his cloak the deep azure of twilight. Silver embroidery in the shape of a coiled dragon glinted upon his shoulder. "Frederick," the man said, offering a courteous nod rather than a hand. "I am Sir Roland, knight of this hold and guardian of its oldest secrets. The wind whispered your name to me this morning." His eyes, calm yet piercing, seemed to weigh more than mere flesh and bone. "Stable your steed, then walk with me. The training you seek is only the surface of what the castle requires of you. The Last Dragon's shadow still stretches across these lands, and every new squire is another thread in that ancient tale." </nc-section>
created_at"2026-05-01T12:55:24.365Z" 5/1/2026, 12:55:24 PM
model"x-ai/grok-4.20-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency32626
moderation_latency(null)
generation_time41695
tokens_prompt318
tokens_completion1484
native_tokens_prompt411
native_tokens_completion3277
native_tokens_completion_images(null)
native_tokens_reasoning2638
native_tokens_cached384
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"
usage0.00830305
router(null)
provider_responses
0
endpoint_id"3ecee37f-b217-4093-87fb-aaf0afe307af"
id"dac8821b-1ede-5590-9ad5-4129c8c7e321"
is_byokfalse
latency113
model_permaslug"x-ai/grok-4.20-20260309"
provider_name"xAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer(null)
request_id"req-1777640124-zLcBg3IIuOIlJWiArlws"
session_id(null)
api_type"completions"
id"gen-1777640124-rK2svoBDcW2ioOozHi3n"
upstream_id"dac8821b-1ede-5590-9ad5-4129c8c7e321"
total_cost0.00830305
cache_discount0.0004032
upstream_inference_cost0
provider_name"xAI"
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