Run: 2026-05-31-01KSYXCAG1V5SB1ZFR593ZFERB

Run Details

Duration:
10.1s
Cost:
$0.011735
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 jingled as the morning light spilled across the flour-dusted counter. "You're here early. Couldn't sleep either?" "Not a wink. Not after what happened to poor Mr. Abernathy." "Terrible business, that. Right here in our little town. Can you believe it?" "I baked three batches of cinnamon rolls just to keep my hands busy. Here, take one. You look like you need it." "Bless you. Though I don't know how you can think of food at a time like this." "Baking calms me. Always has. Now, tell me everything. You found him, didn't you?" "By the fountain, yes. Awful. But here's the strange part—his shoes were spotless. Not a speck of mud, and it'd rained all night." "Spotless? That's odd. He walked everywhere, that man. Through every puddle in the square." "Exactly what I thought. Which means—" "He didn't walk to the fountain at all. Someone brought him there." "Now you see why I couldn't sleep." "Drink your coffee. We're going to need clear heads." "We? Oh, no. We are not getting involved. Remember last spring?" "How could I forget? We solved it, didn't we?" "Barely. With our reputations and my good china intact by sheer luck." "More cinnamon roll?" "...Pass the icing."
created_at"2026-05-31T11:40:48.013Z" 5/31/2026, 11:40:48 AM
model"anthropic/claude-4.8-opus-20260528"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1270
moderation_latency(null)
generation_time10102
tokens_prompt81
tokens_completion331
native_tokens_prompt107
native_tokens_completion448
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"
usage0.011735
router(null)
provider_responses
0
endpoint_id"b0d3beaa-5ff7-4666-a749-b1bb2b14c916"
id"msg_013mv9kuHn7T4zeB5TXyufQW"
is_byokfalse
latency1269
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-1780227648-zc5scAOcEYUiwDv4vX2O"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1780227648-9mfB4k7j6V74H2PIxSWw"
upstream_id"msg_013mv9kuHn7T4zeB5TXyufQW"
total_cost0.011735
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)