Run: 2026-06-01-01KT1HFW4VV8907CDHK3JPQ55T

Run Details

Duration:
22.2s
Cost:
$0.029190
Provider:
Anthropic

Evaluation summary

Score Evaluator
Details Link
99.98% Matches word count (details)
0.00% Dialogue to Total Word Ratio (details)
49.9920% Overall

Model input

User/Human
You are a author of comedic heist books. Please write a 500 word scene that has 30% 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

AI
Molly spread the blueprint across the rickety table, smoothing its wrinkled corners with the reverence of a surgeon preparing for a transplant. Bill leaned in, squinting at the crayon-drawn diagram she'd somehow acquired. "This is a kid's drawing of a house," he said flatly. "It's reconnaissance," Molly corrected, tapping a stick-figure family rendered in purple. "Junior intel. The Hendersons' boy made it for show-and-tell. Note the bouncy castle here, the present table here." Bill rubbed his temples. Three years of armored truck jobs, museum infiltrations, and one memorable yacht heist, and now they'd descended into this. He looked at the loot board Molly had assembled, which featured glossy magazine cutouts of action figures, art supplies, and a suspiciously detailed photograph of a remote-control helicopter. "We're robbing a seven-year-old," he said. "We're robbing a seven-year-old's *party*," Molly said, as though this distinction carried tremendous legal and moral weight. "Twenty kids. Twenty presents. That's a clean inventory, Bill. No fences, no laundering. We just walk out with a garbage bag full of unopened toys." "And the parents?" "Distracted. Birthday parties are chaos incarnate. Cake, crying, someone always vomits on the carpet. Nobody's watching the present table during the magician act." Bill perked up, despite himself. "There's a magician?" "Marvelous Marvin. Two o'clock slot. Forty-five minutes of misdirection, professionally provided, free of charge." Molly grinned, clearly delighted by the elegance of it. "He pulls a rabbit out of a hat, we pull a Nintendo Switch out of the gift pile." Bill stood and paced the cramped apartment, stepping over a pizza box he'd been meaning to throw away since approximately the Obama administration. Something about this felt deeply wrong, and not in the satisfying way their work usually felt wrong. "What's our exit?" "The clown." He stopped pacing. "The clown." "We come dressed as entertainers. Nobody questions a clown carrying a big colorful sack. We waddle right past security—" "There's no security at a birthday party, Molly." "—right past *Grandma*," she amended smoothly, "and out the side gate. I've got a clown costume in the closet. You're the balloon-animal guy." Bill stared at her for a long, weighty moment. The refrigerator hummed. Somewhere outside, a car alarm wailed and died. "I have a code," he finally said. "There are lines. We've never crossed them. We don't hit churches, we don't hit small businesses, and we absolutely do not steal a child's birthday presents while disguised as a clown." Molly folded her arms, unimpressed. "The take is two thousand in retail value, minimum. There's a kid getting a *drone*, Bill. A drone." A pause. A long, telling pause. "What color drone?" "Does it matter?" "It matters to me." She smiled, sensing victory the way sharks sense a swimmer with a paper cut. She slid the crayon blueprint toward him, and Bill, against every fragment of his criminal dignity, picked up the red marker and began circling the present table. "I'm not wearing the clown shoes," he muttered. "You'll wear the shoes."
created_at"2026-06-01T12:10:44.767Z" 6/1/2026, 12:10:44 PM
model"anthropic/claude-4.8-opus-20260528"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1289
moderation_latency192
generation_time22006
tokens_prompt77
tokens_completion832
native_tokens_prompt93
native_tokens_completion1149
native_tokens_completion_images(null)
native_tokens_reasoning0
native_tokens_cached0
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
num_fetches(null)
web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"end_turn"
service_tier"default"
usage0.02919
router(null)
provider_responses
0
endpoint_id"b0d3beaa-5ff7-4666-a749-b1bb2b14c916"
id"msg_01HkpYFh7Gudcp21sLMkpPME"
is_byokfalse
latency1287
model_permaslug"anthropic/claude-4.8-opus-20260528"
provider_name"Anthropic"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.16.0; linux; x64))"
http_referer(null)
request_id"req-1780315844-0Q8NUSVqjmGMZKBmXmIA"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1780315844-HKpuuZUSw9iM2VELgRuh"
upstream_id"msg_01HkpYFh7Gudcp21sLMkpPME"
total_cost0.02919
cache_discount(null)
upstream_inference_cost0
provider_name"Anthropic"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
99.98% Matches word count n/a
neededCleanfalse
words498
0.00% Dialogue to Total Word Ratio
Ratio: 47.74%, Deviation: 17.74%
neededCleanfalse
wordsTotal509
wordsDialogue243
49.9920%