NC Bench
Overview
About
Tests
Models
Model
Claude Haiku 4.5
Test
Dialogue tags
Scenario
Write unattributed dialogue
Run ID
2026-02-08-01KGYZ7RQ1VSBHPFSW9QZ107VR
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 Alibi The bell above the bakery door chimed as Margaret stepped inside, her nose immediately catching the scent of cinnamon and fresh bread. "Morning! The usual?" "Actually, I wanted to ask you something. Were you here yesterday afternoon? Around two o'clock?" The baker's hands stilled over the counter. "Why do you ask?" "Because Thomas claims he was here buying a birthday cake for his wife. But I have reason to believe he wasn't." "Margaret, you know I can't discuss my customers' business." "Even when one of them might be lying about a murder?" A long silence filled the small shop. Finally, the baker sighed and leaned against the register. "He wasn't here yesterday. He usually comes Thursdays, but yesterday? No." "Thank you for being honest." "Wait—be careful accusing him. Thomas has friends in this town. Powerful ones." Margaret picked up her bag and headed toward the door, her mind already spinning. "I'm only interested in the truth." "The truth can be dangerous,"
the baker called after her
. Margaret didn't look back.
created_at
"2026-02-08T15:52:03.132304+00:00"
Sunday, February 8th, 2026 at 3:52:03 PM GMT+00:00
model
"anthropic/claude-4.5-haiku-20251001"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
684
moderation_latency
188
generation_time
3124
tokens_prompt
61
tokens_completion
231
native_tokens_prompt
77
native_tokens_completion
258
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
0.001367
router
(null)
provider_responses
0
id
"464f04cd-b9cb-40b7-9dc9-d9f45c790b01"
status
200
is_byok
false
latency
683
endpoint_id
"d000261c-5aeb-47d1-ac87-ad64dbe1cdb6"
provider_name
"Amazon Bedrock"
model_permaslug
"anthropic/claude-4.5-haiku-20251001"
api_type
"completions"
id
"gen-1770565919-HDH56bWezbGQkQ3WY9Ds"
upstream_id
"464f04cd-b9cb-40b7-9dc9-d9f45c790b01"
total_cost
0.001367
cache_discount
(null)
upstream_inference_cost
0
provider_name
"Amazon Bedrock"
Evaluation details
Result
Evaluator
Details
Meta Data
60.6531%
Count dialogue tags
n/a
neededClean
false
dialogueTags
0
"the baker called after her"