Run: 2026-06-01-01KT1HFH88K6PCYH5YQ6M58CQ4

Run Details

Duration:
10.3s
Cost:
$0.014340
Provider:
Anthropic

Evaluation summary

Score Evaluator
Details Link
99.98% Matches word count (details)
98.04% Dialogue to Total Word Ratio (details)
99.0129% Overall

Model input

User/Human
You are a author of comedic heist books. Please write a 200 word scene that has 10% 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 crouched behind the hydrangea bushes, her binoculars trained on the suburban fortress disguised as a birthday party. Streamers sagged from the gutters, a bouncy castle wheezed in the corner, and a clown juggled bowling pins with menacing precision. The present table groaned beneath a mountain of glittering boxes, each one wrapped with the kind of optimism only a seven-year-old could inspire. Bill adjusted his fake mustache, which kept sliding sideways in the heat, and consulted a hand-drawn map smudged with what she hoped was chocolate. "The clown's the problem," he muttered. She nodded grimly. Clowns were always the problem. According to their intelligence, the cake would be served at three o'clock sharp, providing a forty-second window of sugar-induced chaos during which every adult would be distracted by candles, singing, and the inevitable crying of the child who didn't get the corner piece. That was their moment. Molly would create a diversion involving a remote-controlled spider, Bill would commandeer a wheelbarrow disguised as a piƱata cart, and together they would liberate every last gift before anyone noticed. "For the record," Bill whispered, repositioning his mustache one final time, "stealing from children feels morally questionable." Molly shrugged. Crime, after all, recognized no birthday.
created_at"2026-06-01T12:10:33.614Z" 6/1/2026, 12:10:33 PM
model"anthropic/claude-4.8-opus-20260528"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency3289
moderation_latency(null)
generation_time10255
tokens_prompt77
tokens_completion410
native_tokens_prompt93
native_tokens_completion555
native_tokens_completion_images(null)
native_tokens_reasoning66
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"
usage0.01434
router(null)
provider_responses
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endpoint_id"b0d3beaa-5ff7-4666-a749-b1bb2b14c916"
id"msg_01TLBb98oENkJsZovoehzDBm"
is_byokfalse
latency1127
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-1780315833-em8bDSGyu4Jke3k1CtsK"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1780315833-nSQ98kzckg5EAlhfPWIw"
upstream_id"msg_01TLBb98oENkJsZovoehzDBm"
total_cost0.01434
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
words202
98.04% Dialogue to Total Word Ratio
Ratio: 6.25%, Deviation: 3.75%
neededCleanfalse
wordsTotal208
wordsDialogue13
99.0129%