Run: 2026-02-18-01KHQ934JRFD4B6V7ZN7RM53J7

Run Details

Duration:
18.1s
Cost:
$0.011640
Provider:
Anthropic

Evaluation summary

Score Evaluator
Details Link
68.10% Matches word count (details)
15.26% Dialogue to Total Word Ratio (details)
41.6815% Overall

Model input

User/Human
You are a author of comedic heist books. Please write a 500 word scene that has 70% 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
The van smelled like cigarettes and broken dreams. Molly spread the hand-drawn map across the dashboard while Bill ate a bag of chips with the enthusiasm of a man who had nowhere better to be, which was accurate. "Okay, listen up," Molly said, tapping the paper with a pen. "The party starts at two. We go in at three, when the cake comes out. Everyone watches the cake." "Everyone watches the cake," Bill repeated, nodding slowly. "Why do we know so much about how children's parties work?" "Because I researched it, Bill." "You researched children's parties." "For the heist. Stop making it weird." Bill set down his chips. "The presents are going to be in a pile, yeah? Like a big colorful pile?" "That's correct." "And we're stealing from a seven-year-old." "We're stealing from wealthy parents who spent too much money on a seven-year-old," Molly said. "There's a moral distinction." "Is there?" "I've decided there is, so yes." Bill picked his chips back up. "What about the clown?" Molly's pen stopped moving. "What clown?" "I saw on the invitation, it said Bingo the Birthday Clown. There's going to be a clown there, Molly." "You saw the invitation? How did you see the invitation?" "I found it on the ground." "You stole it from the mailbox, didn't you." "I found it," Bill said firmly, "on the ground, near a mailbox, which is practically outside." Molly closed her eyes for a moment. "The clown is not a problem. Clowns are focused on the children." "Clowns are focused on chaos, Molly. That's their whole thing. You cannot predict a clown." "We don't need to predict him, we need to avoid him." "And if we can't avoid him?" "Then we improvise." "Last time you said we'd improvise I ended up handcuffed to a shopping cart in Wolverhampton." "That was a completely different situation." "I had to eat a Pret A Manger sandwich with one hand." "Bill, focus." Molly circled something on the map. "We come in through the garden gate, which the invitation says will be propped open for guests." "So we're using the clown's invitation." "We're using the information contained within it, yes." "Molly, we are crashing a child's birthday party dressed as guests to steal presents while a clown performs." "When you say it like that it sounds bad." "It sounds like a fever dream." "It sounds like a payday," Molly said. "There are forty kids on that guest list. Forty kids from a school in Kensington. Do you know what those parents spend on birthday presents?" Bill went quiet for a moment. "How much?" "An average of sixty pounds each." Bill did the math slowly, his lips moving. His eyes went wide. "That's two thousand four hundred pounds." "Give or take." He folded the chip bag carefully and put it in his pocket. "I'll get the black bags." "That's what I thought."
created_at"2026-02-18T02:26:18.295755+00:00" 2/18/2026, 2:26:18 AM
model"anthropic/claude-4.6-sonnet-20260217"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency486
moderation_latency(null)
generation_time18072
tokens_prompt77
tokens_completion762
native_tokens_prompt75
native_tokens_completion761
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)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"stop"
usage0.01164
router(null)
provider_responses
0
id"msg_01Nxn2taf4pZmJCqBPjx5kcb"
status200
is_byokfalse
latency486
endpoint_id"6d408764-7dd7-4626-bb87-a6cc1589bc86"
provider_name"Anthropic"
model_permaslug"anthropic/claude-4.6-sonnet-20260217"
api_type"completions"
id"gen-1771381559-orIIqDYiCc9fljbnzT9A"
upstream_id"msg_01Nxn2taf4pZmJCqBPjx5kcb"
total_cost0.01164
cache_discount(null)
upstream_inference_cost0
provider_name"Anthropic"

Evaluation details

Result Evaluator Details Meta Data
68.10% Matches word count n/a
neededCleanfalse
words486
15.26% Dialogue to Total Word Ratio
Ratio: 76.13%, Deviation: 6.13%
neededCleanfalse
wordsTotal486
wordsDialogue370
41.6815%