Run: 2026-03-12-01KKHZCTBJ8KMFJ79QWFTD52F2

Run Details

Duration:
2.2s
Cost:
$0.002527
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" data-color="red"> As Frederick rode through the castle gates and dismounted near the ancient stables, a tall, broad-shouldered figure emerged from the shadows. Sir Roland, the local knight renowned for his valor in the Border Wars, stepped forward with a firm stride. His armor gleamed under the fading sunlight, and a kindly yet stern smile crossed his weathered face. "You must be the new squire," he said, his voice deep and resonant. "Welcome to Castle Eldrath, lad. You'll find no softer training here than the anvil of true duty." </nc-section> <nc-section data-title="Version 2" data-color="green"> Frederick guided Thunder toward the stables, the horse's hooves clattering against the cobblestones. Before he could properly tether the beast, a commanding voice called out from behind a nearby stall. Sir Roland appeared, wiping his hands on a worn leather cloth, his chainmail partially covered by a simple tunic. The knight's eyes sparkled with the fire of experience as he regarded the young arrival. "Frederick, is it? I've been expecting you. Come, let's see to your mount first. A knight is only as strong as the bond he shares with his steed." </nc-section> <nc-section data-title="Version 3" data-color="blue"> The evening mist began to rise as Frederick reached the stables and swung down from his saddle. From the arched doorway stepped Sir Roland, the castle's master-at-arms, his presence as imposing as the legends that preceded him. The knight's cloak billowed slightly in the breeze, and he placed a gauntleted hand on Frederick's shoulder. "Easy now, young squire," he said with a gruff chuckle. "The road has been long, but your true journey begins here. Tell me, do you come seeking glory, or have the old tales of dragons finally stirred your blood?" </nc-section>
created_at"2026-03-12T21:31:42.841Z" 3/12/2026, 9:31:42 PM
model"x-ai/grok-4.20-beta-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency256
moderation_latency(null)
generation_time1899
tokens_prompt318
tokens_completion465
native_tokens_prompt409
native_tokens_completion400
native_tokens_completion_images0
native_tokens_reasoning0
native_tokens_cached384
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
usage0.0025268
router(null)
provider_responses
0
endpoint_id"33f49f24-a0de-4dcf-872d-ca514e83fbae"
id"70cb6241-a71b-9d7e-0d52-6164e1ebcb8e"
is_byokfalse
latency246
model_permaslug"x-ai/grok-4.20-beta-20260309"
provider_name"xAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer(null)
api_type"completions"
id"gen-1773351102-5wI64BV3DRYEntDEdv9N"
upstream_id"70cb6241-a71b-9d7e-0d52-6164e1ebcb8e"
total_cost0.0025268
cache_discount0.0006912
upstream_inference_cost0
provider_name"xAI"

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