Run: 2026-05-31-01KSYXCE0KF4WTTGBXKYETASWE

Run Details

Duration:
9.6s
Cost:
$0.011310
Provider:
Anthropic

Evaluation summary

Score Evaluator
Details Link
100.00% Count dialogue tags (details)

Model input

User/Human
You are an expert novel writer in the cozy mystery genre. Write a scene of about 200 words, with dialogue between two characters. The dialogue should be unattributed, meaning the speaker is not explicitly mentioned. The scene should be set in a small town bakery. Only return the story, nothing else.

Model response

AI
The bell above the door jingled as the morning light spilled across the flour-dusted counter. "You're here early. The cinnamon rolls aren't even out yet." "I didn't come for the rolls. I came because I heard something last night." "Oh? Pour yourself some coffee and tell me. The pot's fresh." "It was just past midnight. I couldn't sleep, so I was sitting by my window. And I saw someone leaving the Hargrove house." "At midnight? Are you certain it wasn't just Walter taking out the bins?" "Walter's been in Florida for two weeks. The house is supposed to be empty." "Empty? Then who—" "That's exactly what I've been wondering. Whoever it was, they were carrying something. A box, maybe. Tucked under one arm, moving quick toward the alley." "You should tell Sheriff Daniels." "And say what? That I saw a shadow? He'll think I've been into the sherry again." "Then we'll need proof. Something more than shadows." "We?" "You don't think I'm letting you poke around that house alone, do you? Besides, I've got a key. Margaret gave me one years ago, for watering her ferns." "You're suggesting we break in?" "Not break in. We have a key. That's practically an invitation."
created_at"2026-05-31T11:40:51.615Z" 5/31/2026, 11:40:51 AM
model"anthropic/claude-4.8-opus-20260528"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1365
moderation_latency(null)
generation_time9585
tokens_prompt81
tokens_completion320
native_tokens_prompt107
native_tokens_completion431
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"
usage0.01131
router(null)
provider_responses
0
endpoint_id"b0d3beaa-5ff7-4666-a749-b1bb2b14c916"
id"msg_01E9Hs3iZt3KgoFDyxDdHb97"
is_byokfalse
latency1365
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-1780227651-9N8lmKy2VQIe3YtpqBUK"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1780227651-FL69GEpmknlCVHMx13Ev"
upstream_id"msg_01E9Hs3iZt3KgoFDyxDdHb97"
total_cost0.01131
cache_discount(null)
upstream_inference_cost0
provider_name"Anthropic"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
100.00% Count dialogue tags n/a
neededCleanfalse
dialogueTags(empty)