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Run: 2026-03-12-01KKHZPW8ZRNNJ6YGJ9NRCT5P8
Run Details
Model:
Grok 4.20 (Beta, Reasoning)
Test:
Tool usage within Novelcrafter
Scenario:
Create alternate prose sections
Duration:
18.3s
Cost:
$0.025199
Provider:
xAI
Evaluation summary
Score
Evaluator
Details Link
Pass
Match blue prose section
(details)
Pass
Match green prose section
(details)
Pass
Match red prose section
(details)
no eval
Overall
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
Messages
Meta
AI
<nc-section data-title="Version 1: The Stable Greeting" data-color="red"> I guided Thunder through the castle gates as the banners fluttered overhead, the last rays of sunset turning the stone walls to fire. As I dismounted and led him toward the stables, the local knight, Sir Roland, greeted me near the stables with a voice like tempered steel. "You've arrived at last, squire," he said, eyes sharp beneath his helm. "The road has tested you, but your true trial begins tomorrow when the sun ignites the eastern towers." </nc-section> <nc-section data-title="Version 2: The Stable Greeting" data-color="green"> I slowed Thunder to a walk once inside the walls, the banners above snapping softly in the evening breeze while the scent of hay and leather drifted from the stables. The local knight, Sir Roland, greeted me near the stables with a broad, weathered smile that crinkled the corners of his eyes. "Easy now, lad," he said, taking the reins with callused hands. "A fine beast you've brought. Come, we'll see him settled before the stars claim the sky." </nc-section> <nc-section data-title="Version 3: The Stable Greeting" data-color="blue"> I rode beneath the fluttering banners into the shadowed courtyard, the castle looming like an ancient sentinel as dusk settled around us. The local knight, Sir Roland, greeted me near the stables with a measured nod, his blue cloak blending into the deepening twilight. "Frederick," he murmured, studying me as though reading hidden runes upon my face. "The wind that carried you here whispers of greater storms. Tend your horse, then we speak of dragons and destinies." </nc-section>
created_at
"2026-03-12T21:37:12.485Z"
3/12/2026, 9:37:12 PM
model
"x-ai/grok-4.20-beta-20260309"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
16685
moderation_latency
(null)
generation_time
18130
tokens_prompt
318
tokens_completion
417
native_tokens_prompt
411
native_tokens_completion
4178
native_tokens_completion_images
0
native_tokens_reasoning
3825
native_tokens_cached
384
num_media_prompt
(null)
num_input_audio_prompt
(null)
num_media_completion
0
num_search_results
(null)
origin
"https://ncbench.com/"
is_byok
false
finish_reason
"stop"
native_finish_reason
"completed"
usage
0.0251988
router
(null)
provider_responses
0
endpoint_id
"33f49f24-a0de-4dcf-872d-ca514e83fbae"
id
"f1b89f3f-ab08-99bd-9e4b-b63e0f8e897a"
is_byok
false
latency
609
model_permaslug
"x-ai/grok-4.20-beta-20260309"
provider_name
"xAI"
status
200
user_agent
"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer
(null)
api_type
"completions"
id
"gen-1773351432-xZKyXMl7Bn6cdEsLpCeC"
upstream_id
"f1b89f3f-ab08-99bd-9e4b-b63e0f8e897a"
total_cost
0.0251988
cache_discount
0.0006912
upstream_inference_cost
0
provider_name
"xAI"
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