NC Bench
Overview
About
Tests
Categories
Models
Vendors
Compare
Run: 2026-02-08-01KGYYVTTR5XJFHKG71ZS9N1QC
Run Details
Model:
Claude Opus 4.5
Test:
Dialogue tags
Scenario:
Write 200 words with 90% dialogue
Duration:
9.3s
Cost:
$0.008150
Provider:
Amazon Bedrock
Evaluation summary
Score
Evaluator
Details Link
86.38%
Matches word count
(details)
99.01%
Dialogue to Total Word Ratio
(details)
92.6954%
Overall
Model input
User/Human
You are a author of comedic heist books. Please write a 200 word scene that has 90% words of dialogue between two thieves named Molly and Bill who are planning to break into a children's party to steal all the presents. Only include the prose of the scene without any markdown or commentary.
Model response
Messages
Meta
AI
Molly smoothed out the crayon-drawn map on the dashboard. "So we go in through the bouncy castle." "The bouncy castle," Bill repeated flatly. "It's our only option. Security's tight. She's hired a clown." "A clown." "You're doing that thing again where you just repeat what I say." "Sorry. Continue." "The clown arrives at two. We intercept him, take his costume, and you walk right through the front door." "Why am I the clown?" "Because I don't fit in the shoes, Bill. We've discussed this. Your feet are enormous." "They're size eleven." "Exactly. Clown feet. Now, once you're inside, you locate the present table. Should be near the cake." "And you?" "I'll be in the ball pit creating a diversion." "What kind of diversion?" "I'm going to claim I lost my contact lens. Parents will be fishing through those balls for twenty minutes minimum. That's when you grab the gifts and exit through the kitchen." "This feels morally questionable, Molly." "It's a piƱata full of gift cards, Bill. Gift cards. The kid's turning six. What's she going to do with a Bed Bath and Beyond voucher?" "Fair point. I'm in."
created_at
"2026-02-08T15:45:38.607895+00:00"
2/8/2026, 3:45:38 PM
model
"anthropic/claude-4.5-opus-20251124"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
1666
moderation_latency
190
generation_time
9037
tokens_prompt
61
tokens_completion
263
native_tokens_prompt
75
native_tokens_completion
311
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)
origin
"https://ncbench.com/"
is_byok
false
finish_reason
"stop"
native_finish_reason
"stop"
usage
0.00815
router
(null)
provider_responses
0
id
"8ff721a3-7a8f-407c-85ce-e0eada0b3cb6"
status
200
is_byok
false
latency
1666
endpoint_id
"de32581c-2e11-4f54-8d29-e8a6e19d3038"
provider_name
"Amazon Bedrock"
model_permaslug
"anthropic/claude-4.5-opus-20251124"
api_type
"completions"
id
"gen-1770565528-nTsV5qsd9bKkGQP1cFdO"
upstream_id
"8ff721a3-7a8f-407c-85ce-e0eada0b3cb6"
total_cost
0.00815
cache_discount
(null)
upstream_inference_cost
0
provider_name
"Amazon Bedrock"
Evaluation details
Result
Evaluator
Details
Meta Data
86.38%
Matches word count
n/a
neededClean
false
words
189
99.01%
Dialogue to Total Word Ratio
Ratio: 93.16%, Deviation: 3.16%
neededClean
false
wordsTotal
190
wordsDialogue
177
92.6954%