Run: 2026-05-29-01KSSJMFEVZMEXQ98EHVX167W1

Run Details

Duration:
10.5s
Cost:
$0.011160
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 warm air rushed out to greet the morning chill. "You're here early. The croissants aren't even out of the oven yet." "I couldn't sleep. Not after what happened to poor Mr. Abernathy." "Terrible business, that. Found him right there in his garden, they say." "You don't think it was natural causes, do you? A man his age, working in the heat?" "He was seventy-three and fit as a fiddle. Walked past this window every morning at seven sharp for the past decade." "Then who would want to harm him? Everyone loved Harold." "Not everyone. You didn't hear the row he had with his nephew last Tuesday. Right out on the sidewalk, shouting about the will." "The will? I thought the boy was getting everything anyway." "That's just it. Harold told me—right where you're standing—that he'd changed his mind. Going to leave the house to the historical society instead." "You don't say." "I do say. And I'd wager that nephew knew about it too." "Should we tell the sheriff?" "After breakfast. No sense gossiping on an empty stomach. Now, are those almond ones ready yet?" "Two minutes. And not a word to anyone until we're certain." "My lips are sealed. Mostly."
created_at"2026-05-29T09:56:48.741Z" 5/29/2026, 9:56:48 AM
model"anthropic/claude-4.8-opus-20260528"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1936
moderation_latency115
generation_time10358
tokens_prompt81
tokens_completion324
native_tokens_prompt107
native_tokens_completion425
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"
usage0.01116
router(null)
provider_responses
0
endpoint_id"b0d3beaa-5ff7-4666-a749-b1bb2b14c916"
id"msg_019xz9YNTP1hn5qe9gCwZTHw"
is_byokfalse
latency1936
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-1780048608-EhTj7xuxIV1Bd89Zrefa"
session_id(null)
api_type"completions"
id"gen-1780048608-8obB9DWOrawIV34sUftr"
upstream_id"msg_019xz9YNTP1hn5qe9gCwZTHw"
total_cost0.01116
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)