NC Bench
Overview
About
Tests
Categories
Models
Vendors
Compare
Run: 2026-07-25-01KYCPMK62HVS1RSMC5RJX9PNZ
Run Details
Model:
Claude Opus 5
Test:
Dialogue tags
Scenario:
Write unattributed dialogue
Duration:
10.9s
Cost:
$0.011435
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 above the door had barely stopped shivering when the flour cloud settled. "You've been crying into the sourdough again." "It's the onions." "There are no onions in bread, Marjorie." A long pause, filled with the soft thud of dough against marble. "He came in yesterday. Right before closing. Bought two cinnamon twists and asked whether I still kept the spare key under the planter." "And do you?" "I moved it in 1998. After the incident with the raccoon." "Did you tell him that?" "I told him the weather looked like rain." "Marjorie." "What was I supposed to say? That his mother's ring turned up in my till three days after she died? That I've been carrying it in my apron pocket like a stone in my shoe?" The kettle began to whistle, and somebody moved to silence it. "Show me." Fabric rustled. Something small clicked against the countertop, gold catching the fluorescent light. "That's not Eleanor's ring." "What?" "Eleanor's ring had a sapphire. My aunt admired it every Sunday for forty years. This is glass." "Then whose—" "That's the question, isn't it. And why did he ask about your key?" The dough sat forgotten, slowly rising in the warm morning air, while neither woman touched her tea.
created_at
"2026-07-25T13:15:08.361Z"
7/25/2026, 1:15:08 PM
model
"anthropic/claude-opus-5-20260723"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
2184
moderation_latency
(null)
generation_time
10758
tokens_prompt
78
tokens_completion
318
native_tokens_prompt
107
native_tokens_completion
436
native_tokens_completion_images
(null)
native_tokens_reasoning
0
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
0.011435
router
(null)
provider_responses
0
endpoint_id
"76cb4608-f48c-483d-8da8-9957fb44244e"
id
"msg_011CdNqWgM26ncr2JTue3iAM"
is_byok
false
latency
2130
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-1784985308-lpqXATjBn1isU8RmbuUi"
session_id
(null)
preset_id
(null)
api_type
"completions"
id
"gen-1784985308-RaamyV381ASTOZx5pRoa"
upstream_id
"msg_011CdNqWgM26ncr2JTue3iAM"
total_cost
0.011435
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)