Run: 2026-05-29-01KSSK3B6HBGG61N6AE6RBZ8W5

Run Details

Duration:
9.8s
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 to meet the morning chill. "You're here early. Couldn't sleep either?" "Not a wink. Not after what happened to poor Mr. Whitley." "Keep your voice down. The whole town's already buzzing like a kicked hornet's nest." "Well, can you blame them? A man doesn't just collapse at the church bake sale for no reason." "He was eighty-three and ate four of my lemon bars. That's reason enough." "Four? I only saw him take two." "Then someone's been helping themselves when I wasn't looking, haven't they?" "Don't look at me like that. I was manning the raffle table all afternoon." "Mm-hmm. And yet there's powdered sugar on your collar." "That could be from anything." "Could it? Because Sheriff Dawes asked me this morning who had access to the kitchen." "You didn't tell him about the spare key, did you?" "Why? Is there something I should be worried about?" A long pause. Somewhere, the coffee machine sputtered. "I think we both know more than we're letting on." "Then I suppose we'd better get our stories straight before the sheriff comes back for his cinnamon roll." "Make it two. He always orders two." "Funny. So did Mr. Whitley."
created_at"2026-05-29T10:04:55.897Z" 5/29/2026, 10:04:55 AM
model"anthropic/claude-4.8-opus-20260528"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1057
moderation_latency(null)
generation_time9780
tokens_prompt81
tokens_completion328
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_01AE76GvfbvQTbUHCu3fXUcQ"
is_byokfalse
latency1057
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-1780049095-qNG0tD3MF2fMRrLOrpW6"
session_id(null)
api_type"completions"
id"gen-1780049095-onExA0poZtIZu5yyJWj9"
upstream_id"msg_01AE76GvfbvQTbUHCu3fXUcQ"
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)