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Run: 2026-05-01-01KQHQG2QW86GZRAQK9Q2WPEA9
Run Details
Model:
Grok 4.20 (Reasoning)
Test:
Tool usage within Novelcrafter
Scenario:
Create alternate prose sections
Duration:
36.4s
Cost:
$0.008278
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 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_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
32210
moderation_latency
(null)
generation_time
36316
tokens_prompt
318
tokens_completion
1130
native_tokens_prompt
411
native_tokens_completion
3267
native_tokens_completion_images
(null)
native_tokens_reasoning
2919
native_tokens_cached
384
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
0.00827805
router
(null)
provider_responses
0
endpoint_id
"3ecee37f-b217-4093-87fb-aaf0afe307af"
id
"84b96b3f-d38c-9232-b887-4c6443c09f23"
is_byok
false
latency
89
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-1777637788-tY4TxN71FIZkJhDYcAvt"
session_id
(null)
api_type
"completions"
id
"gen-1777637788-2P0ZYPIGQ1sZh5KQK7If"
upstream_id
"84b96b3f-d38c-9232-b887-4c6443c09f23"
total_cost
0.00827805
cache_discount
0.0004032
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