NC Bench
Overview
About
Tests
Categories
Models
Vendors
Compare
Run: 2026-04-24-01KPZV5KDYZJBP12SGXY2K4TDS
Run Details
Model:
Claude Opus 4.7
Test:
Dialogue tags
Scenario:
Write unattributed dialogue
Duration:
7.7s
Cost:
$0.011460
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 jingled as Margaret swept in, cheeks pink from the October wind. Flour dusted the counter like early snow, and the scent of cinnamon curled through the air. "You heard about Harold, then?" "Heard? I found the poor man. Right there beside his prize pumpkin, stiff as yesterday's baguette." "Iris Pennyworth, you have a morbid streak a mile wide." "I have observation skills, thank you. And Harold didn't keel over from a bad heart, whatever Sheriff Dooley says." "Now what on earth makes you say that?" "The thermos. Harold never drank coffee after noon—said it kept him up. But there it was, half-empty, at three in the afternoon." "Maybe he made an exception. The judging was the next morning." "And maybe pigs grew wings overnight. I smelled that thermos, Margaret. Bitter almonds." "Good heavens. You don't mean—" "I mean someone wanted that blue ribbon very badly. Pass me one of those cranberry scones, would you? Detecting makes me peckish." "Iris, we cannot go poking about in a murder." "We most certainly can. Now, who entered the pumpkin contest this year besides Harold?" "...I'll put the kettle on."
created_at
"2026-04-24T13:34:19.595Z"
4/24/2026, 1:34:19 PM
model
"anthropic/claude-4.7-opus-20260416"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
705
moderation_latency
(null)
generation_time
7632
tokens_prompt
81
tokens_completion
308
native_tokens_prompt
112
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"
usage
0.01146
router
(null)
provider_responses
0
endpoint_id
"0fa65117-00d9-4835-808d-9b68041d9ce4"
id
"c0a942ec-a2ec-43ee-a17d-f6236beb65cc"
is_byok
false
latency
705
model_permaslug
"anthropic/claude-4.7-opus-20260416"
provider_name
"Amazon Bedrock"
status
200
user_agent
"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer
(null)
request_id
"req-1777037659-ColkDxoSjbTLlyZ2UwBc"
session_id
(null)
api_type
"completions"
id
"gen-1777037659-9y1qevUGh0GHM5HW9JKr"
upstream_id
"c0a942ec-a2ec-43ee-a17d-f6236beb65cc"
total_cost
0.01146
cache_discount
(null)
upstream_inference_cost
0
provider_name
"Amazon Bedrock"
response_cache_source_id
(null)
Evaluation details
Result
Evaluator
Details
Meta Data
100.00%
Count dialogue tags
n/a
neededClean
false
dialogueTags
(empty)