Run: 2026-07-25-01KYD75BA5EGY2HCXSAKEDDH0G

Run Details

Duration:
6.6s
Cost:
$0.005289
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
Detective Mara Quinn entered the silent library alone tonight finally. The victim lay sprawled beneath overturned mahogany table quite dramatically. Blood pooled around his clenched fist holding crumpled white paper. Wind rattled tall windows, scattering ashes across priceless oriental rug. Someone had locked every exit from inside, impossibly yet deliberately. Quinn whispered, Nobody leaves until I understand this murder perfectly.
created_at"2026-07-25T18:03:54.574Z" 7/25/2026, 6:03:54 PM
model"meta/muse-spark-1.1-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency6176
moderation_latency(null)
generation_time6496
tokens_prompt46
tokens_completion111
native_tokens_prompt199
native_tokens_completion1186
native_tokens_completion_images0
native_tokens_reasoning1095
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"
usage0.00528925
router(null)
provider_responses
0
endpoint_id"b2b9f6f9-8880-41c1-bd0c-867650fd5238"
id"resp_6a64fa8a5458ca8e8fa2448e"
is_byokfalse
latency269
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-1785002634-dDtI04zitpnRCobuFq4l"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1785002634-tXI0ZMPPWu1OAwvUSIWH"
upstream_id"resp_6a64fa8a5458ca8e8fa2448e"
total_cost0.00528925
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
sentences6
wordCounts
010
110
210
310
410
510