Run: 2026-05-01-01KQHSP19WGRZMWB48XBNG9KVG

Run Details

Duration:
6.2s
Cost:
$0.001534
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 weathered stables, a tall figure emerged from the shadows of the timber beams. Sir Roland, the local knight whose reputation for unyielding discipline preceded him like a storm cloud, strode forward with his armored boots crunching against the gravel. His scarred face softened slightly at the sight of the young squire. "Ah, you must be Frederick," he said, his voice a deep rumble that carried the weight of countless battles. "The stable master speaks of your arrival. Come, lad—let's see if those city hands of yours can handle a true warhorse before the real training begins." </nc-section> <nc-section data-title="Version 2" data-color="green"> The stables smelled of fresh hay and oiled leather as Frederick led his horse inside. Before he could properly tie the reins, a broad-shouldered man in a faded blue tunic approached from the tack room. It was Sir Roland, the castle's resident knight, known equally for his swordsmanship and his surprising kindness toward new recruits. He wiped grease from his hands and offered a firm nod of greeting. "Frederick, is it? Welcome to these humble stables. I've been expecting you since the raven arrived last week. Leave your mount with me for now—we'll share a tankard of ale while I tell you what truly awaits you behind these walls." </nc-section> <nc-section data-title="Version 3" data-color="blue"> Twilight had fully settled over the castle grounds when Frederick guided his weary horse toward the illuminated stable lanterns. A commanding voice cut through the evening air: "Hold there, squire!" Sir Roland stepped out from behind a wooden pillar, his polished armor catching the flickering light like liquid silver. The knight's keen eyes assessed Frederick from head to toe, missing nothing. "So you're the one they've sent us. I am Sir Roland, and these stables are as much my domain as the training fields. Tend to your horse properly, then join me by the forge. The night grows cold, and your true education begins at first light." </nc-section>
created_at"2026-05-01T12:54:40.704Z" 5/1/2026, 12:54:40 PM
model"x-ai/grok-4.20-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency521
moderation_latency(null)
generation_time6117
tokens_prompt318
tokens_completion533
native_tokens_prompt409
native_tokens_completion436
native_tokens_completion_images(null)
native_tokens_reasoning0
native_tokens_cached64
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"
usage0.00153405
router(null)
provider_responses
0
endpoint_id"3ecee37f-b217-4093-87fb-aaf0afe307af"
id"baaf4ffa-63ee-9029-ad6d-ee4a70f2ad4e"
is_byokfalse
latency243
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-1777640080-wH5kfx7tLOG8237ghxbn"
session_id(null)
api_type"completions"
id"gen-1777640080-R6ixJpvQc3YgD2Z18w0a"
upstream_id"baaf4ffa-63ee-9029-ad6d-ee4a70f2ad4e"
total_cost0.00153405
cache_discount0.0000672
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