Run: 2026-07-25-01KYD4NXFZ7PTBNHV1S138QRKB

Run Details

Duration:
4.8s
Cost:
$0.003283
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. Detective Mara arrived precisely midnight. Butler waited, holding something bloody. "The master won't need dinner." Library doors creaked open slowly. Body lay sprawled across chessboard. Blood stained the white king. Mara whispered, "Checkmate came early."
created_at"2026-07-25T17:20:31.752Z" 7/25/2026, 5:20:31 PM
model"meta/muse-spark-1.1-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency4519
moderation_latency(null)
generation_time4764
tokens_prompt46
tokens_completion75
native_tokens_prompt199
native_tokens_completion714
native_tokens_completion_images0
native_tokens_reasoning645
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"
usage0.00328325
router(null)
provider_responses
0
endpoint_id"b2b9f6f9-8880-41c1-bd0c-867650fd5238"
id"resp_6a64f0601b6a98be6ac34e19"
is_byokfalse
latency296
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-1785000031-ffFkPip3XyVWzN5FhxqA"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1785000031-Q6Wj9YflPtVbUbSKqdos"
upstream_id"resp_6a64f0601b6a98be6ac34e19"
total_cost0.00328325
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