Run: 2026-07-25-01KYD7BT4JFF4WTBX8NN4PBCV7

Run Details

Duration:
5.2s
Cost:
$0.003742
Provider:
Meta

Evaluation summary

Score Evaluator
Details Link
100.00% Matches word count (details)

Model input

User/Human
Please write the opening scene of a murder mystery where each sentence has exactly 5 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
Rain hammered the old manor. Detective Crane arrived precisely midnight. The butler opened creaking doors. He's dead in library, whispered. Blood pooled beneath chandelier's light. Victim clutched a silver locket. Crane noticed broken window latch. Footprints vanished into stormy darkness.
created_at"2026-07-25T18:07:26.364Z" 7/25/2026, 6:07:26 PM
model"meta/muse-spark-1.1-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency4784
moderation_latency(null)
generation_time5102
tokens_prompt46
tokens_completion77
native_tokens_prompt199
native_tokens_completion822
native_tokens_completion_images0
native_tokens_reasoning739
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"completed"
service_tier"auto"
usage0.00374225
router(null)
provider_responses
0
endpoint_id"b2b9f6f9-8880-41c1-bd0c-867650fd5238"
id"resp_6a64fb5e48cef730f5314787"
is_byokfalse
latency292
model_permaslug"meta/muse-spark-1.1-20260709"
provider_name"Meta"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.18.0; linux; x64))"
http_referer(null)
request_id"req-1785002846-kd4PuC31784aRf8LCVcG"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1785002846-I4vsaRwIx4fPkyRL7Rah"
upstream_id"resp_6a64fb5e48cef730f5314787"
total_cost0.00374225
cache_discount(null)
upstream_inference_cost0
provider_name"Meta"
response_cache_source_id(null)
data_region"global"

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences8
wordCounts
05
15
25
35
45
55
65
75