Run: 2026-05-01-01KQHT39GB75YXM6GBFJHJNPV7

Run Details

Duration:
10.1s
Cost:
$0.001378
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 dismounted near the castle stables, the heavy scent of hay and horses filled the air. A tall, armored figure emerged from the shadows of the stable doors, his silver helm tucked under one arm. "Ho there, young squire!" the man called, his voice carrying the weight of years spent on the battlefield. Sir Roland, the local knight whose name was whispered with both reverence and fear across the realm, strode forward with purpose. His weathered face broke into a stern smile as he clapped a gauntleted hand on Frederick's shoulder. "You've arrived just in time. The old master-at-arms was beginning to think you'd lost your nerve on the road." </nc-section> <nc-section data-title="Version 2" data-color="green"> Thunder snorted and stamped his hooves as Frederick guided him toward the shadowed entrance of the royal stables. Before he could even loosen the saddle straps, a commanding voice rang out from within. "Easy with that beast, lad. He's got fire in his blood, that one." Sir Roland stepped into the fading sunlight, his chainmail glinting like captured stars. The local knight was a legend in these parts—a bear of a man with a scar running down his left cheek from some forgotten skirmish. He grasped Frederick's forearm in a warrior's greeting, his grip firm but not unkind. "Welcome to Dragon's Keep, Frederick. I've been expecting you. The dragons may be gone, but the training that remains is no less fierce." </nc-section> <nc-section data-title="Version 3" data-color="blue"> The castle stables loomed ahead, their wooden beams creaking softly in the evening breeze as Frederick brought his horse to a halt. He had barely set foot on the cobblestones when a figure approached from the torchlit interior. It was Sir Roland, the renowned local knight, his broad shoulders filling out his worn leather tunic. A sword hung at his hip, and his eyes—sharp as a falcon's—studied the young squire with careful appraisal. "Frederick of the Eastern Marches," he said, his tone carrying the quiet authority of one who had trained a hundred boys into men. "I am Sir Roland. The king himself asked me to oversee your first days here. Come, let's see to your mount before the night creatures stir. We have much to discuss about what it truly means to serve in these troubled times." </nc-section>
created_at"2026-05-01T13:01:55.087Z" 5/1/2026, 1:01:55 PM
model"x-ai/grok-4.20-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency439
moderation_latency(null)
generation_time9997
tokens_prompt318
tokens_completion602
native_tokens_prompt409
native_tokens_completion508
native_tokens_completion_images(null)
native_tokens_reasoning0
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"
usage0.00137805
router(null)
provider_responses
0
endpoint_id"3ecee37f-b217-4093-87fb-aaf0afe307af"
id"3fac111a-62c7-90ed-8d45-05776079fc3b"
is_byokfalse
latency86
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-1777640515-2KOHlOQWzELEJpMHUhid"
session_id(null)
api_type"completions"
id"gen-1777640515-mBjG2OZsiuv902FGdVJJ"
upstream_id"3fac111a-62c7-90ed-8d45-05776079fc3b"
total_cost0.00137805
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