Run: 2026-05-31-01KSYX91F55TMNM064S93D5H2V

Run Details

Duration:
8.9s
Cost:
$0.010785
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 out, carrying the scent of cinnamon and burnt sugar. "You're here early. The croissants aren't even out yet." "I'm not here for croissants. I'm here about Margaret." A pause. The clatter of a tray being set down, perhaps a little too hard. "What about her?" "You know perfectly well what. She was in here yesterday afternoon. Three o'clock, maybe later. The last person to see her before she... before." "Lots of people come through these doors. I can't keep track of every customer." "You keep track of Margaret. You always did. The two of you, whispering by the window like schoolgirls." A long silence. Somewhere in the back, an oven timer began to ring, insistent and shrill, but neither moved toward it. "She ordered a lemon tart. Said it was for a celebration." "A celebration? Margaret hadn't celebrated anything in years." "That's what I told her. She just smiled and said things were finally about to change." "And did you ask what she meant?" "I didn't have to." The timer kept ringing. "I already knew. And so, I suspect, did whoever followed her out that door." "Then we'd better talk. Lock it, would you?"
created_at"2026-05-31T11:39:00.465Z" 5/31/2026, 11:39:00 AM
model"anthropic/claude-4.8-opus-20260528"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1020
moderation_latency(null)
generation_time8903
tokens_prompt81
tokens_completion317
native_tokens_prompt107
native_tokens_completion410
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"
usage0.010785
router(null)
provider_responses
0
endpoint_id"b0d3beaa-5ff7-4666-a749-b1bb2b14c916"
id"msg_01DsCWaJH4ziJ3j7pZdYJQR9"
is_byokfalse
latency1020
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-1780227540-Se3a7AHjLvUu5rBZISpl"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1780227540-9nb4tqe7tciWO9UcetpF"
upstream_id"msg_01DsCWaJH4ziJ3j7pZdYJQR9"
total_cost0.010785
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)