NC Bench
Overview
About
Tests
Models
Model
Claude Haiku 4.5
Test
Dialogue tags
Scenario
Write 200 words with 50% dialogue
Run ID
2026-02-08-01KGYZP3PQGPS7ZH827RRAA585
Model input
User/Human
You are a author of comedic heist books. Please write a 200 word scene that has 50% 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 adjusted her fake mustache while Bill checked the surveillance photos of the birthday venue. A children's party. They'd stolen from banks, museums, and penthouses, but never this. "So the plan is we go in dressed as clowns?" Bill asked. "Exactly. Nobody suspects clowns," Molly replied, grinning. "Last time someone said that to me, I got hit with a cream pie," Bill muttered. "That was your own fault for eating the props," Molly shot back. "Look, we slip in through the back during the piƱata chaos, grab the gift pile, and vanish." Bill studied the blueprint. "What about the eight-year-old security guard?" "The what now?" Molly's eyebrow raised. "The birthday boy's older brother. Kid's got a walkie-talkie and apparently takes his job very seriously." Molly leaned back in her chair. "You're telling me we need to outsmart a child?" "A motivated child with snacks and territorial instincts," Bill confirmed. They sat in silence, contemplating their career choices. A heist gone wrong in a mansion was one thing. But explaining how they were apprehended by a pre-teen would haunt them forever. "Maybe we rob the movie theater instead?" Bill suggested hopefully.
created_at
"2026-02-08T15:59:54.198391+00:00"
Sunday, February 8th, 2026 at 3:59:54 PM GMT+00:00
model
"anthropic/claude-4.5-haiku-20251001"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
436
moderation_latency
(null)
generation_time
3784
tokens_prompt
61
tokens_completion
260
native_tokens_prompt
75
native_tokens_completion
303
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
0.00159
router
(null)
provider_responses
0
id
"msg_01B5PFgmwM3F6qjbRKF1L44B"
status
200
is_byok
false
latency
435
endpoint_id
"41d2915a-92e6-4993-b537-210b4e10cba8"
provider_name
"Anthropic"
model_permaslug
"anthropic/claude-4.5-haiku-20251001"
api_type
"completions"
id
"gen-1770566389-uiE0qnuepEeXlv6IxM6q"
upstream_id
"msg_01B5PFgmwM3F6qjbRKF1L44B"
total_cost
0.00159
cache_discount
(null)
upstream_inference_cost
0
provider_name
"Anthropic"
Evaluation details
Result
Evaluator
Details
Meta Data
97.6276%
Matches word count
n/a
neededClean
false
words
193
94.2986%
Dialogue to Total Word Ratio
Ratio: 54.92%, Deviation: 4.92%
neededClean
false
wordsTotal
193
wordsDialogue
106
95.9631%