Run: 2026-10-08-01M4DA0WKQQF8VX8S8TBSE4NPY

Run Details

Duration:
3.8s
Cost:
$0.000198
Provider:
Claude Platform on AWS

Evaluation summary

Score Evaluator
Details Link
13.53% 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
"Two sugar cookies and a black coffee, please," the woman said, sliding a crumpled receipt across the counter. "And don't tell me the lemon tarts are sold out again." "Only the last one, and it's yours if you want it." Flour dusted the baker's apron, and a faint tremor shook her hand as she wrapped the cookies in wax paper. "Heard about Walter's shop this morning. Dreadful business." "Dreadful is one word for it. The police think he slipped on that wet floor." "Do they?" The baker set the tart down beside the cookies, then lingered, glancing toward the back door. "Funny. Walter mopped that floor himself every night for thirty years. He never once left it wet." "Maybe he was careless yesterday." "Careless isn't Walter. Precise is Walter. He'd sooner burn the bread than leave a mess." A bell chimed as the door opened. Neither of them looked up. "You knew him better than most," the woman said quietly. "So why are you really closing early today?" The baker's knuckles whitened on the counter. "Because someone's been in my kitchen, too."
created_at"2026-10-08T08:28:05.121Z" 10/8/2026, 8:28:05 AM
model"anthropic/claude-haiku-5.5-20261007"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency891
moderation_latency(null)
generation_time3737
tokens_prompt78
tokens_completion268
native_tokens_prompt109
native_tokens_completion375
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"
usage0.0001984
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer(null)
request_id"req-1791448085-truxeHpYWuls7FlHaW7P"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1791448085-3LARzrmBVu3yLZVe9Ywb"
upstream_id"msg_011CfpTHkZeE75w56mCM9X3R"
provider_responses
0
endpoint_id"b6cdf493-3a61-441f-a134-e7944fddb980"
id"msg_011CfpTHkZeE75w56mCM9X3R"
is_byokfalse
latency886
model_permaslug"anthropic/claude-haiku-5.5-20261007"
provider_name"Claude Platform on AWS"
status200
total_cost0.0001984
cache_discount(null)
upstream_inference_cost0
provider_name"Claude Platform on AWS"
response_cache_source_id(null)
data_region"global"
workspace_id"97e315e5-d303-487d-83c1-83180e8a13d4"

Evaluation details

Result Evaluator Details Meta Data
13.53% Count dialogue tags n/a
neededCleanfalse
dialogueTags
0"the woman said"
1"the woman said quietly"