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Run: 2026-05-01-01KQHRRCZMWK6FYHHKC4EAVFZ9
Run Details
Model:
Grok 4.20
Test:
Tool usage within Novelcrafter
Scenario:
Create alternate prose sections
Duration:
7.7s
Cost:
$0.001629
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" data-color="red"> As Frederick guided Thunder toward the ancient stables, the heavy wooden doors creaked open. A tall, broad-shouldered figure emerged from the shadows, his armor gleaming dully in the fading twilight. It was Sir Roland, the local knight whose reputation for unyielding discipline preceded him like a storm cloud. "Hail, young squire," Sir Roland called out, his voice deep and resonant, carrying the weight of countless battles. He approached with measured steps, his hand resting on the hilt of his sword. "I am Sir Roland. The castle has been expecting you. Dismount and tend to your steed properly— a knight's mount is his most loyal companion, second only to his honor." </nc-section> <nc-section data-title="Version 2" data-color="green"> The stables loomed ahead, their thatched roofs glowing golden in the last rays of sunset. Frederick slowed Thunder to a trot just as a knight stepped out from between the stalls, wiping his hands on a cloth. Sir Roland's weathered face broke into a rare smile, his green eyes sharp and assessing. "Well met, Frederick," he said warmly, clasping the squire's shoulder with a calloused hand once the boy had dismounted. "I've heard tales of your eagerness from the outlying villages. Come, let's see to your horse together. In my experience, the bond between rider and beast is forged in these very stables— and it may one day save your life on the battlefield." </nc-section> <nc-section data-title="Version 3" data-color="blue"> Near the shadowed entrance to the royal stables, Frederick reined in Thunder as a commanding voice cut through the evening air. "Hold there, lad." Sir Roland, the local knight known for his strategic brilliance, strode forward from the torch-lit interior. His blue cloak billowed slightly in the breeze, matching the keen intensity in his gaze. He regarded the young squire with a mixture of appraisal and guarded approval. "You must be Frederick. The roads have been kind to you, I see. Before you enter these walls, know this: true training begins with humility. Stable your mount with care, and then we shall speak of what lies ahead in the great hall." </nc-section>
created_at
"2026-05-01T12:38:29.626Z"
5/1/2026, 12:38:29 PM
model
"x-ai/grok-4.20-20260309"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
393
moderation_latency
(null)
generation_time
7598
tokens_prompt
318
tokens_completion
559
native_tokens_prompt
409
native_tokens_completion
474
native_tokens_completion_images
(null)
native_tokens_reasoning
0
native_tokens_cached
64
num_media_prompt
(null)
num_input_audio_prompt
(null)
num_media_completion
0
num_search_results
(null)
num_fetches
(null)
web_search_engine
(null)
origin
"https://ncbench.com/"
is_byok
false
finish_reason
"stop"
native_finish_reason
"completed"
usage
0.00162905
router
(null)
provider_responses
0
endpoint_id
"3ecee37f-b217-4093-87fb-aaf0afe307af"
id
"7da39290-9bef-6150-1a12-92e27e903e3c"
is_byok
false
latency
120
model_permaslug
"x-ai/grok-4.20-20260309"
provider_name
"xAI"
status
200
user_agent
"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer
(null)
request_id
"req-1777639109-YuIoTNfdVEAmp8Q39UQ9"
session_id
(null)
api_type
"completions"
id
"gen-1777639109-OoHzOcJYYvCXe0YOQ9Un"
upstream_id
"7da39290-9bef-6150-1a12-92e27e903e3c"
total_cost
0.00162905
cache_discount
0.0000672
upstream_inference_cost
0
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