Run: 2026-09-03-01M1K4T93EDTMHVEN4NNMA4G0R

Run Details

Duration:
5.4s
Cost:
$0.004018
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
The rain hammered empty streets. Detective Mara arrived quite late. The victim lay motionless upstairs. Blood stained the faded wallpaper. Someone had locked all windows. Yet footprints marked the hallway. Mara noticed the missing watch. The clock had stopped suddenly.
created_at"2026-09-03T08:05:26.772Z" 9/3/2026, 8:05:26 AM
model"meta/muse-spark-1.2-20260805"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2819
moderation_latency(null)
generation_time5349
tokens_prompt46
tokens_completion84
native_tokens_prompt42
native_tokens_completion933
native_tokens_completion_images0
native_tokens_reasoning856
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"
usage0.00401775
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer(null)
request_id"req-1788422726-eeVSs0pqCP8icY6JHkXw"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1788422726-SFGUv46V41eEvZTIjObT"
upstream_id"resp_6a992a4780f4e322c00444e5"
provider_responses
0
endpoint_id"ffc8e76e-808a-44d2-bd21-c6ac16e721cb"
id"resp_6a992a4780f4e322c00444e5"
is_byokfalse
latency544
model_permaslug"meta/muse-spark-1.2-20260805"
provider_name"Meta"
status200
total_cost0.00401775
cache_discount(null)
upstream_inference_cost0
provider_name"Meta"
response_cache_source_id(null)
data_region"global"
workspace_id"97e315e5-d303-487d-83c1-83180e8a13d4"

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