Run: 2026-05-29-01KSSK1C2XG6QAP4GNTAGQ2DR5

Run Details

Duration:
9.5s
Cost:
$0.011760
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 chimed as warm air rushed in, thick with cinnamon and vanilla. "You're here early. The scones aren't even out yet." "I'm not here for scones. I'm here because Margaret Ableton was found in her garden this morning." A pause. The soft thud of a flour sack hitting the counter. "Found? You mean—" "Dead. Among her prize-winning roses, no less. The whole town's buzzing." "That's terrible. She was just in here yesterday, buying her usual lemon tart." "Was she alone?" "Now what kind of question is that?" "The kind I ask when someone dies the day after visiting the last place they were seen happy." The scrape of a chair against tile. "She wasn't alone, if you must know. She was arguing with someone. Couldn't hear about what, but she left without her tart. First time in fifteen years." "Who was she with?" "I didn't get a good look. Tall fellow, dark coat. Slipped out the back when she stormed off." "The back? Through the kitchen?" "He said he was a health inspector." "Margaret was arguing with a health inspector?" "That's what I thought was strange. We weren't due for inspection until spring." "Then who, exactly, were you letting wander through your kitchen?" The oven timer rang, sharp and sudden.
created_at"2026-05-29T10:03:51.271Z" 5/29/2026, 10:03:51 AM
model"anthropic/claude-4.8-opus-20260528"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1149
moderation_latency(null)
generation_time9456
tokens_prompt81
tokens_completion342
native_tokens_prompt107
native_tokens_completion449
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"
usage0.01176
router(null)
provider_responses
0
endpoint_id"b0d3beaa-5ff7-4666-a749-b1bb2b14c916"
id"msg_01PmPZo3xhv8sgmbXK9ns1oe"
is_byokfalse
latency1147
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-1780049031-HV3HZOyDY5qZFXH1gjX9"
session_id(null)
api_type"completions"
id"gen-1780049031-4Q4pp93rBnoRwoZyKou9"
upstream_id"msg_01PmPZo3xhv8sgmbXK9ns1oe"
total_cost0.01176
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)