Run: 2026-06-01-01KT1HYYZEW5H14Y4BGQVH7YZQ

Run Details

Duration:
11.5s
Cost:
$0.014490
Provider:
Anthropic

Evaluation summary

Score Evaluator
Details Link
100.00% Matches word count (details)
100.00% Dialogue to Total Word Ratio (details)
100.0000% 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 hydrangeas, binoculars trained on the suburban fortress. Streamers sagged from the gutters like surrender flags, and a bouncy castle wobbled menacingly in the breeze. Somewhere inside, a clown was losing the will to live. Bill adjusted his fake mustache, which he insisted made him look "distinguished" rather than like a man wearing a dead caterpillar. He clutched the blueprints, which were actually a placemat from the pancake house, decorated with crayon mazes he'd already solved. "The presents pile is by the cake," he whispered. Molly nodded gravely. Intelligence suggested forty wrapped boxes, possibly containing electronics, possibly containing socks. The risk was enormous. Children were unpredictable, sticky, and traveled in packs. One wrong move and they'd be swarmed by sugar-fueled seven-year-olds demanding to know if they were the magician. She'd disguised herself as a face painter, armed with glitter and a deep reluctance. "What if they ask for a unicorn?" Bill asked. "Then I paint a unicorn." They synchronized their watches, which were also crayon drawings. The plan was elegant: enter during the piƱata frenzy, when chaos peaked and adults wept quietly into juice boxes, then exit with their loot before anyone noticed the birthday boy crying.
created_at"2026-06-01T12:18:59.189Z" 6/1/2026, 12:18:59 PM
model"anthropic/claude-4.8-opus-20260528"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency3155
moderation_latency(null)
generation_time11447
tokens_prompt77
tokens_completion396
native_tokens_prompt93
native_tokens_completion561
native_tokens_completion_images(null)
native_tokens_reasoning59
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"
usage0.01449
router(null)
provider_responses
0
endpoint_id"b0d3beaa-5ff7-4666-a749-b1bb2b14c916"
id"msg_018YriRydYVJo8P1jCkjW8u9"
is_byokfalse
latency1502
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-1780316339-Z1nU5hcTVqkmo7o6momk"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1780316339-GmtcRPfkBwR6skycGRnK"
upstream_id"msg_018YriRydYVJo8P1jCkjW8u9"
total_cost0.01449
cache_discount(null)
upstream_inference_cost0
provider_name"Anthropic"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
words200
100.00% Dialogue to Total Word Ratio
Ratio: 9.85%, Deviation: 0.15%
neededCleanfalse
wordsTotal203
wordsDialogue20
100.0000%