Run: 2026-05-01-01KQHQZWV64AM6W6YSPDJY27D3

Run Details

Duration:
6.7s
Cost:
$0.001719
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 slowed Thunder to a trot near the castle stables, a broad-shouldered figure emerged from the shadows of the timber beams. Sir Roland, the local knight whose name echoed through every tavern tale of valor, stood with his arms crossed over his gleaming breastplate. His weathered face broke into a stern yet welcoming smile. "Ho there, young squire!" he called, his voice deep and resonant like distant thunder. "You must be Frederick. The stable master told me of your arrival. Come, dismount and let us speak of the trials that await you within these walls. The path of knighthood is not for the faint of heart, but I sense fire in your eyes." </nc-section> <nc-section data-title="Version 2" data-color="green"> Frederick guided his stallion toward the stables, the scent of hay and leather filling the evening air. Before he could fully dismount, a towering knight stepped forward from beside a row of tethered warhorses. It was Sir Roland, his green cloak billowing slightly in the breeze, the emblem of a rearing lion emblazoned on his tabard. With a firm grip on Thunder's reins, the knight steadied the beast and looked up at the young squire. "Well met, Frederick," Sir Roland said, his tone warm yet authoritative. "I've been expecting you. These stables have housed many hopefuls before you—some who rose to glory, others who faded like morning mist. Tell me, lad, what brings such determination to our gates on this fading day?" </nc-section> <nc-section data-title="Version 3" data-color="blue"> The last rays of sunlight painted the castle stables in hues of amber as Frederick approached. From the arched doorway, a knight in polished armor strode out to meet him—Sir Roland, known throughout the realm for his unyielding sense of justice. His blue eyes, sharp as a falcon's, appraised the young arrival from head to toe. Placing a gauntleted hand on Thunder's muscular neck, he nodded approvingly. "Frederick, is it? Welcome to the heart of our order," Sir Roland greeted, his voice carrying the weight of experience. "Dismount, squire, and walk with me. The shadows lengthen, and there is much to discuss before the castle gates close for the night. Your training begins not with steel, but with the steeling of your spirit." </nc-section>
created_at"2026-05-01T12:25:06.681Z" 5/1/2026, 12:25:06 PM
model"x-ai/grok-4.20-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency440
moderation_latency(null)
generation_time6618
tokens_prompt318
tokens_completion590
native_tokens_prompt409
native_tokens_completion510
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"
usage0.00171905
router(null)
provider_responses
0
endpoint_id"3ecee37f-b217-4093-87fb-aaf0afe307af"
id"e2c5c236-7fb9-7e06-60c1-64904aec6bc7"
is_byokfalse
latency97
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-1777638306-zNrnLiONRQQuhQRgD3NR"
session_id(null)
api_type"completions"
id"gen-1777638306-NEwrK6vhxvipW9HY11Kg"
upstream_id"e2c5c236-7fb9-7e06-60c1-64904aec6bc7"
total_cost0.00171905
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