Run: 2026-10-09-01M4G09TDGSZDAKH7GAVT0HDYX

Run Details

Duration:
4.0s
Cost:
$0.000260
Provider:
Claude Platform on AWS

Evaluation summary

Score Evaluator
Details Link
60.65% 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
“You're late,” Marjorie said, not looking up from the proofing dough. “The cat knocked over my coffee again.” Bea shook rain from her umbrella and set it in the stand by the door. “Did you hear about the Fenwick ledger?” “Everyone heard. Ray Fenwick hasn’t shown his face at the bank since Tuesday.” “Then why was his car parked behind the church at six this morning?” “Maybe he likes the quiet.” “Nobody likes that church quiet, Marjorie.” A timer buzzed. Marjorie pulled out a tray of cinnamon rolls, glossy and steaming, and slid them onto the cooling rack. “Careful with that tone. You sound like you’ve already picked a culprit.” “I’ve picked a suspect. There’s a difference.” “Is there?” Bea leaned across the counter and lowered her voice. “His shoes were wet. Mud on the tread, and the lot was dry.” “Stop it. You’ve been reading those detective novels again.” “Someone has to.” A pause. “Did he buy anything this morning?” “Two loaves of rye and a black coffee. Paid in exact change.” “Exact change. Who does that unless they want to leave no trace?” “Oh, sit down before you wear a hole in my floor.” Bea didn’t sit. She was already staring at the bakery's back window, where a figure in a gray coat stood very still in the alley, watching them both.
created_at"2026-10-09T09:35:55.319Z" 10/9/2026, 9:35:55 AM
model"anthropic/claude-haiku-5.5-20261007"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency3995
moderation_latency(null)
generation_time3995
tokens_prompt78
tokens_completion357
native_tokens_prompt109
native_tokens_completion499
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"
usage0.0002604
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer(null)
request_id"req-1791538555-voPGYwGW5QsKHFGcAa0h"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1791538555-hhMBcpn5IQaDuxLeizPA"
upstream_id"msg_011CfrSGgwDYcUdhgTS4QtfK"
provider_responses
0
endpoint_id"b6cdf493-3a61-441f-a134-e7944fddb980"
id"msg_011CfrSGgwDYcUdhgTS4QtfK"
is_byokfalse
latency748
model_permaslug"anthropic/claude-haiku-5.5-20261007"
provider_name"Claude Platform on AWS"
status200
total_cost0.0002604
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
60.65% Count dialogue tags n/a
neededCleanfalse
dialogueTags
0"Marjorie said"