NC Bench
Overview
About
Tests
Categories
Models
Vendors
Compare
Run: 2026-10-08-01M4DAMJ222R7T8QNRG7PEC9G1
Run Details
Model:
Claude Haiku 5.5 (Adaptive)
Test:
Dialogue tags
Scenario:
Write 200 words with 50% dialogue
Duration:
7.6s
Cost:
$0.000750
Provider:
Claude Platform on AWS
Evaluation summary
Score
Evaluator
Details Link
99.38%
Matches word count
(details)
60.00%
Dialogue to Total Word Ratio
(details)
79.6885%
Overall
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 crouched behind the garden hedge, squinting at the glowing living room window, where forty-two presents sat stacked beside a bouncy castle. Bill crawled up beside her, a sack slung over one shoulder and a grin already spreading across his face. "Right," Molly whispered, tapping a crumpled blueprint. "We slip in through the kitchen, grab every gift with a bow on it, and vanish before the birthday cake comes out." "What about the clown?" Bill asked. "Clowns don't count. Nobody looks twice at a clown." "That one's staring at me." "Ignore him. And Bill, why are you wearing a unicorn onesie?" "Camouflage." "You look like a giant glitter marshmallow." "Nobody suspects a unicorn, Molly. Besides, I'm a professional." Somewhere inside, a balloon popped. Both thieves froze, hearts hammering against their ribs, as a chorus of shrieking children erupted in delight. The clown bellowed a cheerful laugh that made the hedge tremble. "Go, go, go!" Molly hissed, sprinting for the back door. Bill tripped over a garden gnome, bounced off a trampoline, and landed face-first in a pile of pink party favors. "Still think I'm a professional?" he groaned. "Shh," Molly whispered, grinning as she yanked him upright. "Grab the pony piƱata on your way out."
created_at
"2026-10-08T08:38:49.673Z"
10/8/2026, 8:38:49 AM
model
"anthropic/claude-haiku-5.5-20261007"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
7547
moderation_latency
(null)
generation_time
7547
tokens_prompt
75
tokens_completion
324
native_tokens_prompt
95
native_tokens_completion
1482
native_tokens_completion_images
(null)
native_tokens_reasoning
996
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"
service_tier
"default"
usage
0.0007505
router
(null)
user_agent
"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer
(null)
request_id
"req-1791448729-9MRBIukhEVTPN5iHJZ4S"
session_id
(null)
preset_id
(null)
api_type
"completions"
id
"gen-1791448729-arn5xMz17jnXFV6Z0n0q"
upstream_id
"msg_011CfpU7FqLVKQ1Vufrhb3L7"
provider_responses
0
endpoint_id
"b6cdf493-3a61-441f-a134-e7944fddb980"
id
"msg_011CfpU7FqLVKQ1Vufrhb3L7"
is_byok
false
latency
702
model_permaslug
"anthropic/claude-haiku-5.5-20261007"
provider_name
"Claude Platform on AWS"
status
200
total_cost
0.0007505
cache_discount
(null)
upstream_inference_cost
0
provider_name
"Claude Platform on AWS"
response_cache_source_id
(null)
data_region
"global"
workspace_id
"97e315e5-d303-487d-83c1-83180e8a13d4"
Evaluation details
Result
Evaluator
Details
Meta Data
99.38%
Matches word count
n/a
neededClean
false
words
205
60.00%
Dialogue to Total Word Ratio
Ratio: 41.55%, Deviation: 8.45%
neededClean
false
wordsTotal
207
wordsDialogue
86
79.6885%