Run: 2026-07-25-01KYD4NKZKJFJMTY51D17NZJDD

Run Details

Duration:
4.3s
Cost:
$0.002722
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 Mara arrived precisely midnight. The butler opened creaking doors. "Library's locked," he whispered urgently. Mara pushed; wood splintered loudly. Inside, Lord Blackwood lay motionless. Blood pooled beneath his skull. On his chest: black rook. Mara knelt, noticed missing finger. Clock struck one, then stopped.
created_at"2026-07-25T17:20:22.186Z" 7/25/2026, 5:20:22 PM
model"meta/muse-spark-1.1-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency3606
moderation_latency(null)
generation_time3969
tokens_prompt46
tokens_completion91
native_tokens_prompt199
native_tokens_completion582
native_tokens_completion_images0
native_tokens_reasoning491
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"
usage0.00272225
router(null)
provider_responses
0
endpoint_id"b2b9f6f9-8880-41c1-bd0c-867650fd5238"
id"resp_6a64f056f946b9b7ddb842b1"
is_byokfalse
latency542
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-1785000022-S8aE7aXwGlzxHcm9ae3n"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1785000022-15wWXZWpj3pEXEzF6w39"
upstream_id"resp_6a64f056f946b9b7ddb842b1"
total_cost0.00272225
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
sentences10
wordCounts
05
15
25
35
45
55
65
75
85
95