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Run: 2026-07-01-01KWE9W82FYN1AWW8JN6P3KNEA
Run Details
Model:
Claude Sonnet 5 (Reasoning)
Test:
Tool usage within Novelcrafter
Scenario:
Create alternate prose sections
Duration:
10.8s
Cost:
$0.007890
Provider:
Amazon Bedrock
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="Chapter 1: A Knight's Welcome" data-color="red"> As Thunder's hooves clattered against the cobblestones near the stables, a broad-shouldered man stepped out from the shadows of the archway. His armor bore the dents and scratches of countless battles, and a long scar traced his jaw. "You must be the new squire," he said, his voice gruff but not unkind. "I am Sir Roland. Dismount, boy, and let's see what kind of stuff you're made of." Frederick swallowed hard, sliding down from his saddle, suddenly aware of how small he felt beneath the knight's piercing gaze. </nc-section> <nc-section data-title="Chapter 1: A Knight's Welcome" data-color="green"> The stable boys scattered as Thunder trotted to a halt, and from among the hay bales emerged a tall figure with kind eyes and a warm smile. "Welcome, young squire!" Sir Roland called out, extending a calloused hand. "I've heard much about your journey here. Come, let's get your horse settled, and then we'll talk about what awaits you in these halls." Frederick felt a wave of relief wash over him—perhaps this place wouldn't be as intimidating as he'd feared. </nc-section> <nc-section data-title="Chapter 1: A Knight's Welcome" data-color="blue"> A figure leaned casually against the stable door, arms crossed, watching Frederick's approach with an amused expression. "Well, well," Sir Roland mused, pushing off from the wooden post. "They sent me a boy who rides like he's being chased by wolves." He chuckled, walking closer to inspect both horse and rider. "Sir Roland, at your service. Though after that entrance, I suspect I should be asking what you're running from, rather than what you're running to." </nc-section>
created_at
"2026-07-01T07:39:12.86Z"
7/1/2026, 7:39:12 AM
model
"anthropic/claude-sonnet-5-20260630"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
3297
moderation_latency
(null)
generation_time
10801
tokens_prompt
318
tokens_completion
484
native_tokens_prompt
435
native_tokens_completion
702
native_tokens_completion_images
(null)
native_tokens_reasoning
49
native_tokens_cached
0
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
"end_turn"
service_tier
"default"
usage
0.00789
router
(null)
provider_responses
0
endpoint_id
"37b16f45-eeae-45f3-9b85-2137f7c6d61b"
id
"msg_016W6b95L2E9PaUzYjcku4Wa"
is_byok
false
latency
2085
model_permaslug
"anthropic/claude-sonnet-5-20260630"
provider_name
"Amazon Bedrock"
status
200
user_agent
"langchainjs-openai/1.0.0 ((node/v24.17.0; linux; x64))"
http_referer
(null)
request_id
"req-1782891552-424fXM67p0HDsgaebjro"
session_id
(null)
preset_id
(null)
api_type
"completions"
id
"gen-1782891552-3ku8ngcCCmFL4OjEY60l"
upstream_id
"msg_016W6b95L2E9PaUzYjcku4Wa"
total_cost
0.00789
cache_discount
(null)
upstream_inference_cost
0
provider_name
"Amazon Bedrock"
response_cache_source_id
(null)
data_region
"global"
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