Run: 2026-05-01-01KQHSDBNJWNCZ2S5W1AXPQT49

Run Details

Duration:
7.0s
Cost:
$0.001477
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, the clatter of hooves echoing off the stone walls, a broad-shouldered figure emerged from the shadows. Sir Roland, the local knight whose reputation for unyielding discipline preceded him, stepped forward with a nod of greeting. His armor gleamed faintly in the dying light, and his voice carried the weight of experience as he said, "Young squire, you've arrived just in time. Tend to your mount swiftly—the castle's training grounds wait for no man, and neither do I." </nc-section> <nc-section data-title="Version 2" data-color="green"> Thunder snorted and pawed at the ground as Frederick led him toward the stables, the scent of hay and leather filling the evening air. Before he could loosen the saddle, Sir Roland appeared from the adjacent paddock, wiping grease from his hands after inspecting a warhorse's shoe. The knight's weathered face broke into a rare, gruff smile, his green cloak billowing slightly. "Frederick, is it? Welcome to Eldridge Castle. I've been expecting you. Leave the beast to the grooms for now—we've much to discuss about what it truly means to serve a dragon's legacy." </nc-section> <nc-section data-title="Version 3" data-color="blue"> The last rays of sunlight painted the stable yard in hues of amber as Frederick guided his weary stallion inside. A firm hand clapped him on the shoulder from behind, and he turned to face Sir Roland, the esteemed local knight whose eyes held the sharp glint of a seasoned warrior. Dressed in a simple tunic beneath his chainmail, Roland offered a steady handshake. "Ah, the new squire at last. I'm Sir Roland, and these stables have seen many like you come and go. Mind your footing here, lad—the path to knighthood is paved with more than just straw and ambition. What tales do you bring from the road?" </nc-section>
created_at"2026-05-01T12:49:56.419Z" 5/1/2026, 12:49:56 PM
model"x-ai/grok-4.20-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency510
moderation_latency(null)
generation_time6851
tokens_prompt318
tokens_completion485
native_tokens_prompt409
native_tokens_completion413
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"
usage0.00147655
router(null)
provider_responses
0
endpoint_id"3ecee37f-b217-4093-87fb-aaf0afe307af"
id"be20d1ba-b3df-96d5-9540-ba6b49e204bb"
is_byokfalse
latency89
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-1777639796-zW2CtsvdMKNZoCDOrNd5"
session_id(null)
api_type"completions"
id"gen-1777639796-0nOVxBWvJFe6hkUBzNRW"
upstream_id"be20d1ba-b3df-96d5-9540-ba6b49e204bb"
total_cost0.00147655
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