Run: 2026-09-03-01M1K60A2VHG12P3G6T689P1B0

Run Details

Duration:
5.0s
Cost:
$0.006576
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 10 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
Rain hammered the cobblestones outside the Whitaker mansion at midnight. Inspector Harlow ducked beneath the sagging flapping yellow police tape. The victim lay sprawled across the cold marble foyer floor. A crystal decanter shattered nearby, scattering amber whisky everywhere silently. No footprints marked the pristine snow beyond the locked window. Yet the front door had been securely bolted from inside.
created_at"2026-09-03T08:26:12.963Z" 9/3/2026, 8:26:12 AM
model"meta/muse-spark-1.2-20260805"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2544
moderation_latency(null)
generation_time4969
tokens_prompt46
tokens_completion137
native_tokens_prompt42
native_tokens_completion1535
native_tokens_completion_images0
native_tokens_reasoning1413
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"
usage0.00657625
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer(null)
request_id"req-1788423973-fkQTZBBigcc6bN13QFKk"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1788423973-XodACSVuWFC2QskL8Oex"
upstream_id"resp_6a992f2549666b20e05c472f"
provider_responses
0
endpoint_id"ffc8e76e-808a-44d2-bd21-c6ac16e721cb"
id"resp_6a992f2549666b20e05c472f"
is_byokfalse
latency403
model_permaslug"meta/muse-spark-1.2-20260805"
provider_name"Meta"
status200
total_cost0.00657625
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
sentences6
wordCounts
010
110
210
310
410
510