Run: 2026-09-03-01M1K5GTFAQK9TSHDSQTR7NEHD

Run Details

Duration:
13.5s
Cost:
$0.003958
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
The rain hammered empty streets. Detective Mara Hall arrived late. Yellow tape fluttered around doorway. The victim lay face down. No blood stained the floor. Only black roses marked body. Someone had arranged them carefully. Clock stopped at midnight exactly.
created_at"2026-09-03T08:17:45.467Z" 9/3/2026, 8:17:45 AM
model"meta/muse-spark-1.3-20260902"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency6720
moderation_latency(null)
generation_time13434
tokens_prompt46
tokens_completion98
native_tokens_prompt42
native_tokens_completion919
native_tokens_completion_images0
native_tokens_reasoning827
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"
usage0.00395825
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer(null)
request_id"req-1788423465-aOW8SkozZs4A1mfweL5S"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1788423465-PnVdQuvmkAC0lQD6BW7H"
upstream_id"resp_6a992d2bd1b9dfcdf3c14c39"
provider_responses
0
endpoint_id"cf4f1b4e-1719-4b65-9111-7dd7635e5a2f"
id"resp_6a992d2bd1b9dfcdf3c14c39"
is_byokfalse
latency2646
model_permaslug"meta/muse-spark-1.3-20260902"
provider_name"Meta"
status200
total_cost0.00395825
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
sentences8
wordCounts
05
15
25
35
45
55
65
75