Run: 2026-06-01-01KT1HP384CDMTCGPYMSG337YR

Run Details

Duration:
10.0s
Cost:
$0.013315
Provider:
Anthropic

Evaluation summary

Score Evaluator
Details Link
99.74% Matches word count (details)
0.93% Dialogue to Total Word Ratio (details)
50.3375% 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

AI
Molly spread the crayon-drawn map across the table, smoothing its crumpled edges. "The bouncy castle is our main obstacle," she said, tapping the wobbly blue rectangle. "Security's tight." Bill squinted. "Security? They're six-year-olds." "Six-year-olds with sugar-fueled reflexes, Bill. Don't underestimate them." He scratched his chin, considering this. "And the presents?" "Stacked by the gift table. We grab them during the piƱata frenzy." She mimed swinging a bat. "Total chaos. Nobody watches the loot." "Brilliant," Bill whispered. "But what about the clown?" Molly's face darkened. "Pickles the Clown. He's the wildcard. Trained in balloon animals and, allegedly, hand-to-hand combat." "You're joking." "I never joke about clowns." Bill swallowed nervously. "So what's the plan if Pickles spots us?" "You distract him." Molly handed Bill a single red nose. "Blend in. Become one of them." "Become a clown?" He held the nose like it was radioactive. "Absolutely not." "It's that or face the parents, Bill. Have you ever seen a mother whose child's gift got stolen? They're feral." He sighed, defeated, and snapped the nose onto his face. "How do I look?" Molly studied him seriously. "Terrifying. The children will weep." "Perfect," Bill muttered. "Let's go ruin a birthday."
created_at"2026-06-01T12:14:08.648Z" 6/1/2026, 12:14:08 PM
model"anthropic/claude-4.8-opus-20260528"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1152
moderation_latency(null)
generation_time9940
tokens_prompt77
tokens_completion351
native_tokens_prompt93
native_tokens_completion514
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"
usage0.013315
router(null)
provider_responses
0
endpoint_id"b0d3beaa-5ff7-4666-a749-b1bb2b14c916"
id"msg_018dwLrcBrFEbJHTMMjLmbSe"
is_byokfalse
latency1152
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-1780316048-zDmTKdlPhF3pfRpmutz7"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1780316048-l6DMtxR9tu82ffs7pNT1"
upstream_id"msg_018dwLrcBrFEbJHTMMjLmbSe"
total_cost0.013315
cache_discount(null)
upstream_inference_cost0
provider_name"Anthropic"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
99.74% Matches word count n/a
neededCleanfalse
words196
0.93% Dialogue to Total Word Ratio
Ratio: 64.71%, Deviation: 14.71%
neededCleanfalse
wordsTotal204
wordsDialogue132
50.3375%