NC Bench
Overview
About
Tests
Categories
Models
Vendors
Compare
Run: 2026-07-25-01KYCRDDN168CFA3BATE03BYW5
Run Details
Model:
Claude Opus 5 (Reasoning)
Test:
Dialogue tags
Scenario:
Write unattributed dialogue
Duration:
11.4s
Cost:
$0.013860
Provider:
Amazon Bedrock
Evaluation summary
Score
Evaluator
Details Link
100.00%
Count dialogue tags
(details)
Model input
User/Human
You are an expert novel writer in the cozy mystery genre. Write a scene of about 200 words, with dialogue between two characters. The dialogue should be unattributed, meaning the speaker is not explicitly mentioned. The scene should be set in a small town bakery. Only return the story, nothing else.
Model response
Messages
Meta
AI
The bell over the door jangled, and flour dust rose in the morning light. "You're early. The cinnamon knots aren't even proofed yet." "I'm not here for cinnamon knots." "Then you're here about Harold Pettigrew's window, and I'll tell you the same thing I told Deputy Nash. I was here at four, same as every morning, elbow-deep in sourdough." "Nobody thinks you threw a brick through the hardware store, Marjorie. But you see everything from that front counter, and you've got a memory like a steel trap." A pause. The scrape of a proofing tray sliding onto the rack. "There was a car. Green, or maybe blue—the streetlight out front's been dying since August. Parked across from Harold's with the engine running a good twenty minutes." "Twenty minutes is a long time to sit in the cold." "That's what I thought. And then a woman got out, walked right up to the window, and stood there like she was reading a menu." "Did you recognize her?" "I've lived in Cranberry Hollow sixty-one years. I'd have recognized her." "So a stranger." "A stranger in a coat worth more than my mixer." A soft laugh. "Sit down. I'll pour you coffee. This part gets interesting."
created_at
"2026-07-25T13:46:10.472Z"
7/25/2026, 1:46:10 PM
model
"anthropic/claude-opus-5-20260723"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
4099
moderation_latency
(null)
generation_time
11330
tokens_prompt
78
tokens_completion
351
native_tokens_prompt
107
native_tokens_completion
533
native_tokens_completion_images
(null)
native_tokens_reasoning
52
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
0.01386
router
(null)
provider_responses
0
endpoint_id
"76cb4608-f48c-483d-8da8-9957fb44244e"
id
"msg_011CdNsswBotzH7tU68LrtaC"
is_byok
false
latency
1470
model_permaslug
"anthropic/claude-opus-5-20260723"
provider_name
"Amazon Bedrock"
status
200
user_agent
"langchainjs-openai/1.0.0 ((node/v24.18.0; linux; x64))"
http_referer
(null)
request_id
"req-1784987170-ELXOEBXVCpposQVIx0If"
session_id
(null)
preset_id
(null)
api_type
"completions"
id
"gen-1784987170-DHfc3zlLtPiqVZvjQhaY"
upstream_id
"msg_011CdNsswBotzH7tU68LrtaC"
total_cost
0.01386
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
100.00%
Count dialogue tags
n/a
neededClean
false
dialogueTags
(empty)