Run: 2026-03-12-01KKHZ836M8RWD2CPPVFE21QHW

Run Details

Duration:
2.2s
Cost:
$0.002473
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 led Thunder toward the stables, the heavy wooden doors creaked open. A towering figure emerged from the shadows, clad in polished armor that caught the last rays of the setting sun. Sir Roland, the renowned knight of the realm, stepped forward with a firm stride. "Hail, young squire Frederick," he called out, his voice deep and commanding. "I see you've arrived at last. The castle has been expecting you. Care for your mount well, for tomorrow your true training begins." </nc-section> <nc-section data-title="Version 2" data-color="green"> Frederick had barely dismounted when a gruff voice cut through the evening air near the stables. "You there, boy with the fine stallion!" Sir Roland approached from the direction of the training yard, his cloak billowing slightly as he walked. The knight's weathered face broke into a rare smile as he clasped Frederick's shoulder. "Welcome to Eldridge Keep, lad. I'm Sir Roland, and if the rumors hold, you'll be squiring under me. Let's see to your horse first – a warrior's steed deserves proper care before its rider rests." </nc-section> <nc-section data-title="Version 3" data-color="blue"> The stables smelled of fresh hay and leather as Frederick guided his horse inside. Before he could remove Thunder's saddle, a shadow fell across the doorway. Sir Roland stood there, arms crossed over his broad chest, his silver-streaked beard gleaming in the lantern light. "Frederick of the Western Marches," the knight said, his tone both stern and welcoming. "I am Sir Roland, Knight Commander of this keep. You've ridden far, but the road to knighthood is longer still. Join me after you've tended to your beast – we have much to discuss about what awaits you here." </nc-section>
created_at"2026-03-12T21:29:08.057Z" 3/12/2026, 9:29:08 PM
model"x-ai/grok-4.20-beta-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency390
moderation_latency(null)
generation_time2043
tokens_prompt318
tokens_completion458
native_tokens_prompt409
native_tokens_completion391
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"
usage0.0024728
router(null)
provider_responses
0
endpoint_id"33f49f24-a0de-4dcf-872d-ca514e83fbae"
id"b06e4ee7-1cba-2bf3-5ef3-aba93604ca5a"
is_byokfalse
latency351
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-1773350948-lRuBXZoPlK1up9lanL3x"
upstream_id"b06e4ee7-1cba-2bf3-5ef3-aba93604ca5a"
total_cost0.0024728
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