NC Bench
Overview
About
Tests
Models
Model
Claude Haiku 4.5
Test
Dialogue tags
Scenario
Write 200 words with 50% dialogue
Run ID
2026-02-08-01KGYYWS69GQPWXB9JK2VN8HP2
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
# The Birthday Caper Molly cracked her knuckles as they sat in the van across from Happy Pines Elementary School. Through the gymnasium doors, she could see inflatable balloons and a banner reading "Tommy's 7th Birthday Bonanza." "So here's the plan," she whispered. "We go in through the cafeteria entrance at 2 PM sharp, right when they're doing the piƱata distraction." "How many presents we talking?" Bill asked, adjusting his fake mustache in the mirror. "At least thirty boxes. Maybe forty." Bill whistled low. "That's a lot of Lego sets and action figures." "Exactly why we're doing this," Molly said, pulling out the blueprints she'd somehow obtained from a willing janitor. "The gift table is unguarded during cake time." "What if security shows up?" "It's a seven-year-old's birthday party, Bill. The most security we'll face is a frazzled mom and a volunteer dad." Bill grinned. "I love this job." They fist-bumped as children's laughter drifted across the parking lot. Within minutes, they'd transform from ordinary adults into present-snatching legends. "Ready?" Molly asked. "Born ready," Bill confirmed, reaching for the door.
created_at
"2026-02-08T15:46:03.989582+00:00"
Sunday, February 8th, 2026 at 3:46:03 PM GMT+00:00
model
"anthropic/claude-4.5-haiku-20251001"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
720
moderation_latency
(null)
generation_time
3942
tokens_prompt
61
tokens_completion
262
native_tokens_prompt
75
native_tokens_completion
308
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
0.001615
router
(null)
provider_responses
0
id
"msg_01CrxeManAc7wPnXgutzi2qe"
status
200
is_byok
false
latency
715
endpoint_id
"41d2915a-92e6-4993-b537-210b4e10cba8"
provider_name
"Anthropic"
model_permaslug
"anthropic/claude-4.5-haiku-20251001"
api_type
"completions"
id
"gen-1770565559-X0rDp72UEcVm7UOnTAkU"
upstream_id
"msg_01CrxeManAc7wPnXgutzi2qe"
total_cost
0.001615
cache_discount
(null)
upstream_inference_cost
0
provider_name
"Anthropic"
Evaluation details
Result
Evaluator
Details
Meta Data
51.9255%
Matches word count
n/a
neededClean
false
words
184
100.0000%
Dialogue to Total Word Ratio
Ratio: 50.00%, Deviation: 0.00%
neededClean
false
wordsTotal
184
wordsDialogue
92
75.9628%