Run: 2026-05-01-01KQHQG2QW86GZRAQK9Q2WPEA9

Run Details

Duration:
36.4s
Cost:
$0.008278
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 I guided Thunder through the gates and toward the stables, the fading sunlight painted the cobblestones in hues of amber. I had barely dismounted when the local knight, Sir Roland, greeted Frederick near the stables with a broad smile and a clap on the shoulder. "Well met, young squire!" he boomed, his voice as warm as the dying day. "Your reputation precedes you. Come, let's see to your horse before the castle swallows you whole with its rituals." </nc-section> <nc-section data-title="Version 2" data-color="green"> The banners snapped sharply overhead as I slowed Thunder to a trot beside the weathered stable doors. Before I could loosen the saddle, the local knight, Sir Roland, greeted Frederick near the stables with a measuring stare and a callused handshake. "Frederick," he said, his tone clipped and practical, "no time for pretty speeches. The realm sharpens its blades at dawn, and you'll be among them. Stable your mount—we begin at once." </nc-section> <nc-section data-title="Version 3" data-color="blue"> Twilight had fully claimed the sky by the time I led Thunder into the shadow of the stables, the air thick with the scent of hay and oiled leather. From the gloom stepped the local knight, Sir Roland, who greeted Frederick near the stables with eyes that seemed to carry forgotten stars. "You arrive in the dragon's shadow, lad," he whispered, voice layered like ancient parchment. "The last one sleeps, yet its echo calls to squires like you. Rest tonight; tomorrow we wake the fire within." </nc-section>
created_at"2026-05-01T12:16:28.417Z" 5/1/2026, 12:16:28 PM
model"x-ai/grok-4.20-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency32210
moderation_latency(null)
generation_time36316
tokens_prompt318
tokens_completion1130
native_tokens_prompt411
native_tokens_completion3267
native_tokens_completion_images(null)
native_tokens_reasoning2919
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"
usage0.00827805
router(null)
provider_responses
0
endpoint_id"3ecee37f-b217-4093-87fb-aaf0afe307af"
id"84b96b3f-d38c-9232-b887-4c6443c09f23"
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-1777637788-tY4TxN71FIZkJhDYcAvt"
session_id(null)
api_type"completions"
id"gen-1777637788-2P0ZYPIGQ1sZh5KQK7If"
upstream_id"84b96b3f-d38c-9232-b887-4c6443c09f23"
total_cost0.00827805
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