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Run: 2026-09-29-01M3P2C8R0YEB097NGVA5PXXVS
Run Details
Model:
Claude Sonnet 5.5 (Reasoning)
Test:
Dialogue tags
Scenario:
Write 500 words with 50% dialogue
Duration:
19.5s
Cost:
$0.023360
Provider:
Claude Platform on AWS
Evaluation summary
Score
Evaluator
Details Link
1.04%
Matches word count
(details)
0.00%
Dialogue to Total Word Ratio
(details)
0.5180%
Overall
Model input
User/Human
You are a author of comedic heist books. Please write a 500 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 van smelled like old pizza and worse decisions. Molly spread a hand-drawn map across the dashboard while Bill adjusted his ski mask, which he had put on backward. "Bill, you can't see." "I can see fine. I just see a lot of yarn." "Take it off. We're parked. Nobody's looking." He peeled it off, and his hair stood up like a startled cockatoo. Molly tapped the map with her pen. "Okay. Target is the Henderson house. Six-year-old named Tobias is having a dinosaur party. Twenty-two kids, fourteen parents, one clown." "Nobody said anything about a clown." "I'm saying it now." "Clowns are a dealbreaker, Molly. They're trained observers." "He makes balloon swords, Bill. He's not Interpol." Bill folded his arms. "Fine. Where are the presents?" "Living room, on a table shaped like a stegosaurus. Roughly forty gifts. We go in as the entertainment company's backup dinosaur." "We have a dinosaur costume?" "We have one dinosaur costume." "For two people." "Which is why you're the back half." Bill stared out the windshield. "I always end up the back half." "You have a gift for it. Once we're inside, I roar and distract the crowd, and you quietly swap the presents into these." She patted a duffel bag stamped with cartoon rockets. "What if a kid asks me something?" "You're the tail, Bill. Tails don't talk." "What if they pull me?" "Then you wag." Bill sighed and checked his watch. "What's the escape plan?" "Simple. Cake time. Everybody sings, the lights go off, we walk out the side gate." "And if it goes wrong?" "Then we're two adults in a dinosaur suit being chased by children. I like our odds. Toddlers have terrible cardio." "Some of them are six." "Six-year-olds are just toddlers with opinions." Bill nodded slowly, then hesitated. "Do we feel bad at all? About the kid?" Molly paused, pen hovering. "A little. So I bought him a dinosaur book. It's in the bag. We're leaving a receipt." "That's the most professional thing you've ever done." "Thank you. Now zip me in." Bill lifted the costume and squinted at the collar. "Molly, this has a tag. It says 'Property of Gary's Party Rentals. Fits ages nine to eleven.'" "We'll just be very confident." They wriggled inside. The zipper made a sound like a small animal giving up. Molly's view through the mesh mouth was mostly of the van's ceiling, and Bill's view was mostly of Molly. "Bill, stop breathing on my back." "It's a shared suit. Breathing is unavoidable." "Then breathe quieter." "How does one breathe quieter?" "Like a professional." Bill exhaled through his nose, whistling faintly, like a kettle with ambition. "Perfect," Molly muttered. "Let's go steal Christmas from a six-year-old." "It's his birthday." "Then let's go steal his birthday." The van door slid open, and the dinosaur waddled toward the balloons.
created_at
"2026-09-29T07:51:57.447Z"
9/29/2026, 7:51:57 AM
model
"anthropic/claude-sonnet-5.5-20260928"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
4172
moderation_latency
(null)
generation_time
19420
tokens_prompt
75
tokens_completion
952
native_tokens_prompt
95
native_tokens_completion
2317
native_tokens_completion_images
(null)
native_tokens_reasoning
1216
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
0.02336
router
(null)
user_agent
"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer
(null)
request_id
"req-1790668317-4HLkngdO7PfZ3qMJMiHZ"
session_id
(null)
preset_id
(null)
api_type
"completions"
id
"gen-1790668317-U6kZMJAYPAyvQ1kWssnK"
upstream_id
"msg_011CfXNFiPxzBAEhi77c2wdR"
provider_responses
0
endpoint_id
"99aaad94-923b-4fc1-b763-271ed5486f7a"
id
"msg_011CfXNFiPxzBAEhi77c2wdR"
is_byok
false
latency
688
model_permaslug
"anthropic/claude-sonnet-5.5-20260928"
provider_name
"Claude Platform on AWS"
status
200
total_cost
0.02336
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
1.04%
Matches word count
n/a
neededClean
false
words
474
0.00%
Dialogue to Total Word Ratio
Ratio: 68.67%, Deviation: 18.67%
neededClean
false
wordsTotal
482
wordsDialogue
331
0.5180%