Run: 2026-06-01-01KT1H4AHBCNQSKKXA1AKBPTJE

Run Details

Duration:
10.0s
Cost:
$0.011335
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, thick with cinnamon and sugar. "You're here early. Couldn't sleep either?" "Who can sleep after what happened? Poor Mr. Abernathy, found right there by the war memorial." "Keep your voice down. Half the town's already whispering, and I'd rather not add to it." "I'm only saying what everyone's thinking. He wasn't exactly beloved, was he? Always complaining about the noise, the parking, the bakery smells drifting into his shop." "That hardly makes someone a murderer. Besides, the police said it could've been his heart." "At two in the morning? Outside? In November? Use your head." "Here, take this cruller and stop speculating before you talk yourself into trouble." "You don't find it strange, then? That his ledger went missing the same night?" "How could you possibly know about the ledger?" "Margaret told me. She cleans the office next door, and the door was wide open when she arrived. Drawers pulled out, papers everywhere." A long silence stretched between them. Somewhere in the back, a timer dinged. "That's my scones. Don't go anywhere." "Wait—you're not telling me everything, are you? You knew him better than most." "Some things, dear, are better left in the oven."
created_at"2026-06-01T12:04:26.288Z" 6/1/2026, 12:04:26 PM
model"anthropic/claude-4.8-opus-20260528"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1231
moderation_latency(null)
generation_time9941
tokens_prompt81
tokens_completion335
native_tokens_prompt107
native_tokens_completion432
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"
usage0.011335
router(null)
provider_responses
0
endpoint_id"b0d3beaa-5ff7-4666-a749-b1bb2b14c916"
id"msg_012a8wrS7rZsQpqSuHwEPr43"
is_byokfalse
latency1231
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-1780315466-lDqVtaCS2rQmO5y2mFOO"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1780315466-QcfTR6fqKhCnk1TIXemf"
upstream_id"msg_012a8wrS7rZsQpqSuHwEPr43"
total_cost0.011335
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)