NC Bench
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Run: 2026-02-20-01KHYA31SZZCGR35HXJ6GMNQY3
Run Details
Model:
Grok 4
Test:
Tool usage within Novelcrafter
Scenario:
Create alternate prose sections
Duration:
29.8s
Cost:
$0.014502
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="Alternate Continuation: Version 1" data-color="red"> As I dismounted Thunder near the stables, the earthy scent of hay and horse filled the air. A tall figure approached, his armor gleaming in the fading light. It was Sir Roland, the local knight, his face weathered but kind. "Welcome, young Frederick," he boomed with a hearty laugh, clapping me on the shoulder. "I've heard much about your potential. Let's get you settled—the real training begins at dawn." </nc-section> <nc-section data-title="Alternate Continuation: Version 2" data-color="green"> Reining in Thunder at the edge of the stables, I felt the weight of the journey in my bones. The castle's shadows loomed longer now, and from them emerged Sir Roland, his emerald cloak billowing like forest leaves. "Frederick, the squire," he said with a nod, his voice steady and warm like a summer breeze. "You've arrived just in time. Come, stable your horse, and I'll show you to your quarters. The path of a knight is one of growth and valor." </nc-section> <nc-section data-title="Alternate Continuation: Version 3" data-color="blue"> I guided Thunder into the stables as the twilight deepened, the castle's stones whispering secrets in the wind. A knight stepped forward from the dim light—Sir Roland, his eyes sharp as a hawk's under a hood of deep blue. "Ah, Frederick," he murmured, his tone laced with intrigue. "The stars align for your arrival. Greet the night with caution; not all shadows here are friendly. Follow me, and we'll speak of dragons and destinies." </nc-section>
created_at
"2026-02-20T19:58:06.667Z"
2/20/2026, 7:58:06 PM
model
"x-ai/grok-4-07-09"
4/7/2009, 12:00:00 AM
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
17470
moderation_latency
(null)
generation_time
29705
tokens_prompt
318
tokens_completion
402
native_tokens_prompt
969
native_tokens_completion
875
native_tokens_completion_images
0
native_tokens_reasoning
524
native_tokens_cached
680
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
0.014502
router
(null)
provider_responses
0
endpoint_id
"d40bef9d-6936-4c57-9749-bf7399de4a77"
id
"e192e99f-2305-4836-8e2d-0e621e6b9595"
is_byok
false
latency
561
model_permaslug
"x-ai/grok-4-07-09"
4/7/2009, 12:00:00 AM
provider_name
"xAI"
status
200
api_type
"completions"
id
"gen-1771617486-z7YHgsB7sILDg1C5EXru"
upstream_id
"e192e99f-2305-4836-8e2d-0e621e6b9595"
total_cost
0.014502
cache_discount
0.00153
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