Run: 2026-05-01-01KQHS51XJFXD6BNKVQCSSM06A

Run Details

Duration:
26.3s
Cost:
$0.005889
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: Sir Roland's Greeting" data-color="red"> As Frederick slowed Thunder to a trot and guided the stallion into the torchlit stables, the scent of hay and oiled leather filled the evening air. A broad-shouldered knight in a crimson cloak emerged from the stalls, his armored boots crunching on fresh straw. "Hail, young Frederick!" boomed Sir Roland, his voice warm with genuine welcome. The local knight's face split into a craggy smile beneath his neatly trimmed beard. "I've been expecting you since the raven arrived bearing word of your coming. A squire with fire in his eyes is rare these days. See to your mount's comfort first—brush him down, water him well—and then join me in the hall. The path to knighthood begins with caring for what carries you into battle." </nc-section> <nc-section data-title="Version 2: Sir Roland's Greeting" data-color="green"> Frederick had barely swung down from Thunder's saddle near the weathered stable doors when a stern figure strode forward, mail hauberk clinking softly. Sir Roland, the castle's master-at-arms and local knight of renown, regarded the newcomer with appraising green eyes that missed nothing. "So this is the squire they've sent us," he said, his tone gruff but not unkind, a callused hand resting on the hilt of his sword. "The stables are no place for daydreams, lad. Tend to your horse with the same diligence I'll expect in the training yard tomorrow. Many arrive with grand notions of glory, yet few last beyond the first bruises. Prove me wrong, Frederick, and perhaps you'll earn a true place here." </nc-section> <nc-section data-title="Version 3: Sir Roland's Greeting" data-color="blue"> The last rays of sunset painted the castle walls in deep indigo as Frederick led Thunder along the stone path to the stables. Shadows lengthened around him, and from their midst stepped a tall knight holding a flickering lantern. Sir Roland's armor seemed to drink the twilight, his expression grave beneath a helm tucked under one arm. "Frederick," the local knight said quietly, his voice carrying the weight of unseen burdens. "You arrive at a turning of fates. The stables will wait a moment—your horse senses it too, the unrest in the wind. Whispers speak of the Last Dragon stirring once more beyond the mountains. But first duties remain: care for your steed, then come find me by the watchfire. There are truths a new squire must hear before the training even begins." </nc-section>
created_at"2026-05-01T12:45:24.279Z" 5/1/2026, 12:45:24 PM
model"x-ai/grok-4.20-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency19156
moderation_latency(null)
generation_time26211
tokens_prompt318
tokens_completion1028
native_tokens_prompt411
native_tokens_completion2177
native_tokens_completion_images(null)
native_tokens_reasoning1639
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"
usage0.00588905
router(null)
provider_responses
0
endpoint_id"3ecee37f-b217-4093-87fb-aaf0afe307af"
id"5f89a4a6-e3ed-9e7b-80ed-646adc912ce0"
is_byokfalse
latency100
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-1777639524-aRhtlmohSNyVnDzUo8Ee"
session_id(null)
api_type"completions"
id"gen-1777639524-0TApim1iHpPQ6A9zw0pU"
upstream_id"5f89a4a6-e3ed-9e7b-80ed-646adc912ce0"
total_cost0.00588905
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