Run: 2026-05-31-01KSYXA7ECDZYWSM85JWVWBWDH

Run Details

Duration:
9.2s
Cost:
$0.011560
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 yeast. "You're here early. The scones aren't even out yet." "I didn't come for the scones. I came because Margaret Whitfield was found this morning, and you were the last person to see her alive." A pause. The soft thud of dough hitting the floured counter. "That's quite an accusation to make before sunrise." "It's not an accusation. It's a question. She bought a dozen of your lemon tarts yesterday afternoon. The receipt was in her purse." "Half the town buys my lemon tarts. That doesn't make me a murderer." "No one said murder. Why would you assume murder?" The rolling pin stopped moving. "Small town. People talk. A woman dies suddenly, tongues wag. You're wagging yours right now." "She was poisoned. The doctor's certain. And those tarts of hers—every one had a single bite taken out, then set aside. Like she tasted something wrong." "Then perhaps she had a delicate palate." "Or perhaps someone wanted me to think it was the tarts." "You're clever for a baker's apprentice." "And you're awfully calm for an innocent woman." Flour drifted between them, settling like snow on the silence. "Sit down. I'll put the kettle on."
created_at"2026-05-31T11:39:39.353Z" 5/31/2026, 11:39:39 AM
model"anthropic/claude-4.8-opus-20260528"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1051
moderation_latency(null)
generation_time9185
tokens_prompt81
tokens_completion333
native_tokens_prompt107
native_tokens_completion441
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"
usage0.01156
router(null)
provider_responses
0
endpoint_id"b0d3beaa-5ff7-4666-a749-b1bb2b14c916"
id"msg_0187jXpeWL3T5gEXmEooRkQA"
is_byokfalse
latency1051
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-1780227579-pCHDMGOR889bGXJNDhQ7"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1780227579-CZseCmjzoKHugbKsqNJ4"
upstream_id"msg_0187jXpeWL3T5gEXmEooRkQA"
total_cost0.01156
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)