NC Bench
Overview
About
Tests
Categories
Models
Vendors
Compare
Run: 2026-07-25-01KYCQQYQVZ36CKVSXA9JA0R8T
Run Details
Model:
Claude Opus 5 (Reasoning)
Test:
Dialogue tags
Scenario:
Write unattributed dialogue
Duration:
9.8s
Cost:
$0.012660
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 the smell of cinnamon thickened as the oven cracked open. "You're early. The cardamom buns need another six minutes." "I didn't come for buns. I came because Harold Vance's van was parked behind your shop at four this morning." "Harold delivers my flour. Has for eleven years. Would you like me to have him arrested for punctuality?" "He doesn't deliver on Tuesdays." A long pause, filled only by the tick of the cooling rack settling. "You've been keeping a schedule of my flour deliveries." "I've been keeping a schedule of everything since the strongbox went missing from the church vestry. Somebody had a key, Margaret, and there are only four keys in this town." "And you assume the baker took it, because we're all so notoriously flush with cash." "I assume nothing. I'm asking." "Then ask better questions. Ask why Harold's van smelled like turpentine when he pulled in. Ask why he wouldn't come inside for coffee, and he always comes inside for coffee." "You noticed that." "I notice everything that happens before sunrise. It's the only company I've got." Another silence. Then the scrape of a stool. "Six minutes, you said?" "Sit down. I'll get the good cups."
created_at
"2026-07-25T13:34:27.346Z"
7/25/2026, 1:34:27 PM
model
"anthropic/claude-opus-5-20260723"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
2912
moderation_latency
(null)
generation_time
9376
tokens_prompt
78
tokens_completion
432
native_tokens_prompt
107
native_tokens_completion
485
native_tokens_completion_images
(null)
native_tokens_reasoning
119
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
0.01266
router
(null)
provider_responses
0
endpoint_id
"76cb4608-f48c-483d-8da8-9957fb44244e"
id
"msg_011CdNrz73h3t2btu7qBcHAi"
is_byok
false
latency
1315
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-1784986467-KsYc89laEg0nBfHXsMlx"
session_id
(null)
preset_id
(null)
api_type
"completions"
id
"gen-1784986467-sFn1c4q0w61LINzI6FcB"
upstream_id
"msg_011CdNrz73h3t2btu7qBcHAi"
total_cost
0.01266
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)