Run: 2026-05-01-01KQHT8XHVXWJHFVWEPRHPFB1P

Run Details

Duration:
38.2s
Cost:
$0.006649
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: The Knight's Greeting" data-color="red"> I pulled on the reins, slowing Thunder to a trot as we passed beneath the raised portcullis and approached the stables. The last rays of sunset painted the stone walls crimson. The local knight, Sir Roland, greeted me near the stables, his armored form imposing against the wooden beams. "Frederick," he rumbled, voice like grinding millstones, "you ride well enough, but riding is not fighting. See to your horse, then meet me on the training field. The kingdom has need of more than boys with dreams." </nc-section> <nc-section data-title="Version 2: The Knight's Greeting" data-color="green"> The stables smelled of sweet hay and warm horseflesh as I guided Thunder beneath an archway draped in ivy. Grooms paused in their work to watch the newcomer. The local knight, Sir Roland, greeted me near the stables with a broad, weathered grin that crinkled the corners of his eyes. "Young Frederick at last!" he called, clapping one heavy gauntlet on my shoulder. "You've the look of someone who's ready to learn. Come, let's get this fine beast settled. Tomorrow your real education begins, and I promise you'll laugh as often as you'll bleed." </nc-section> <nc-section data-title="Version 3: The Knight's Greeting" data-color="blue"> Twilight had claimed the sky by the time Thunder's hooves clattered into the stable yard. Flickering torches cast dancing shadows that seemed almost winged. The local knight, Sir Roland, greeted me near the stables, yet his gaze lingered not on me but on the dark horizon where ancient mountains brooded. "Frederick," he said quietly, voice carrying the weight of old prophecies, "you arrive on the eve of strange portents. The last dragon has not been seen in living memory, yet its absence grows heavier each year. Tend your mount, squire. Your training may decide whether that absence remains a blessing or becomes our doom." </nc-section>
created_at"2026-05-01T13:04:59.467Z" 5/1/2026, 1:04:59 PM
model"x-ai/grok-4.20-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency30463
moderation_latency(null)
generation_time38143
tokens_prompt318
tokens_completion1064
native_tokens_prompt411
native_tokens_completion2481
native_tokens_completion_images(null)
native_tokens_reasoning2057
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"
usage0.00664905
router(null)
provider_responses
0
endpoint_id"3ecee37f-b217-4093-87fb-aaf0afe307af"
id"1d52b92e-f6f7-92d0-a40f-79155d38a914"
is_byokfalse
latency91
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-1777640699-qPTz7sfZRuOi46XbvhSA"
session_id(null)
api_type"completions"
id"gen-1777640699-SbRCKyLPStOiTDwvEieJ"
upstream_id"1d52b92e-f6f7-92d0-a40f-79155d38a914"
total_cost0.00664905
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