Run: 2026-03-18-01KM081CCW0XN5AHP8C3WT8NTD

Run Details

Duration:
5.8s
Cost:
$0.001547
Provider:
OpenAI

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 stitched silver threads across the manor windows at midnight. Inside, Inspector Vale found the candles trembling beside a body. The dead man's smile remained, though his throat was opened. No one had heard the scream, which made everyone suspect. Vale lifted the note, and the first clue started breathing.
created_at"2026-03-18T10:32:07.341Z" 3/18/2026, 10:32:07 AM
model"openai/gpt-5.4-mini-20260317"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency5551
moderation_latency(null)
generation_time5655
tokens_prompt46
tokens_completion261
native_tokens_prompt41
native_tokens_completion337
native_tokens_completion_images0
native_tokens_reasoning268
native_tokens_cached0
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
usage0.00154725
router(null)
provider_responses
0
endpoint_id"9ee065b2-3d1c-43bc-bdd7-28af3b148282"
id"resp_05d2e6c1a0ae819c0169ba7f27742081978de7bad393857de0"
is_byokfalse
latency308
model_permaslug"openai/gpt-5.4-mini-20260317"
provider_name"OpenAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer(null)
api_type"completions"
id"gen-1773829927-QgleImJTomGAlphkKvEH"
upstream_id"resp_05d2e6c1a0ae819c0169ba7f27742081978de7bad393857de0"
total_cost0.00154725
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences5
wordCounts
010
110
210
310
410