Run: 2026-09-03-01M1K5SJ31H354X0EPDH69N3TB

Run Details

Duration:
4.0s
Cost:
$0.003121
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 mansion. Lights flickered inside the hallway. Detective Hayes arrived precisely midnight. The body lay near fireplace. Blood stained the Persian rug. Nobody claimed to hear screams. Yet everyone seemed strangely calm.
created_at"2026-09-03T08:22:31.819Z" 9/3/2026, 8:22:31 AM
model"meta/muse-spark-1.2-20260805"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency3817
moderation_latency(null)
generation_time3934
tokens_prompt46
tokens_completion62
native_tokens_prompt42
native_tokens_completion722
native_tokens_completion_images0
native_tokens_reasoning664
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"
usage0.003121
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer(null)
request_id"req-1788423751-hqCZ2aoMpd88iKivM9xB"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1788423751-dA7mjIYtnlzJkmk3CO9A"
upstream_id"resp_6a992e4893dd3ee69598437c"
provider_responses
0
endpoint_id"ffc8e76e-808a-44d2-bd21-c6ac16e721cb"
id"resp_6a992e4893dd3ee69598437c"
is_byokfalse
latency929
model_permaslug"meta/muse-spark-1.2-20260805"
provider_name"Meta"
status200
total_cost0.003121
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
sentences7
wordCounts
05
15
25
35
45
55
65