Run: 2026-06-01-01KT1HKGCJAG738QYVT11ZC2FB

Run Details

Duration:
9.2s
Cost:
$0.012740
Provider:
Anthropic

Evaluation summary

Score Evaluator
Details Link
99.98% Matches word count (details)
66.26% Dialogue to Total Word Ratio (details)
83.1201% Overall

Model input

User/Human
You are a author of comedic heist books. Please write a 200 word scene that has 90% 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
"So we're really doing this?" Bill asked. "We're really doing this," Molly said. "Stealing presents. From children." "From spoiled children." "How do you know they're spoiled?" "It's a birthday party, Bill. There's a bouncy castle." "Maybe it's rented." "Nobody rents a bouncy castle for a humble child." "Fair point. What's the plan?" "You distract them. I grab the gifts." "How do I distract twenty seven-year-olds?" "Be a clown." "I'm not dressing as a clown." "Then be a magician." "I don't know magic." "You don't need to know magic. They're seven." "What if they ask for a specific trick?" "Pull a coin from behind their ear." "What if there's no coin?" "Bring a coin, Bill." "Bring my own coin? To a robbery?" "It's an investment." "And the parents? They'll notice a grown man stealing wrapped boxes." "They'll be filming the clown." "I thought I was a magician." "Magician, clown, whatever. The point is they'll be distracted." "This feels morally complicated." "It's gift bags and remote-control cars, Bill. We'll be rich." "Rich from toys?" "Vintage toys. There's a market." "There's a market for stolen children's toys?" "There's a market for everything." "I really hate this plan." "Bring the coin, Bill."
created_at"2026-06-01T12:12:43.798Z" 6/1/2026, 12:12:43 PM
model"anthropic/claude-4.8-opus-20260528"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1201
moderation_latency95
generation_time9104
tokens_prompt77
tokens_completion362
native_tokens_prompt93
native_tokens_completion491
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"
usage0.01274
router(null)
provider_responses
0
endpoint_id"b0d3beaa-5ff7-4666-a749-b1bb2b14c916"
id"msg_01HNwCu9KUmxYuXZX4ST6mVt"
is_byokfalse
latency1201
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-1780315963-bVp5qMUpqql4O1PkGhtI"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1780315963-WBfoHJuL6zjGspfweM66"
upstream_id"msg_01HNwCu9KUmxYuXZX4ST6mVt"
total_cost0.01274
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
words198
66.26% Dialogue to Total Word Ratio
Ratio: 98.01%, Deviation: 8.01%
neededCleanfalse
wordsTotal201
wordsDialogue197
83.1201%