Run: 2026-03-18-01KM07SFZTSP91GBT5DTQP9VP0

Run Details

Duration:
9.1s
Cost:
$0.002650
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 5 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
Rain stitched the manor windows. Inspector Vale arrived before dawn. A scream had vanished earlier. Now only silence clung everywhere. On the rug, blood bloomed. Beside it lay Lord Harrington. His eyes stared at accusations. Yet footprints crossed the marble.
created_at"2026-03-18T10:27:48.869Z" 3/18/2026, 10:27:48 AM
model"openai/gpt-5.4-mini-20260317"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency8896
moderation_latency(null)
generation_time8998
tokens_prompt46
tokens_completion461
native_tokens_prompt41
native_tokens_completion582
native_tokens_completion_images0
native_tokens_reasoning516
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"
usage0.00264975
router(null)
provider_responses
0
endpoint_id"9ee065b2-3d1c-43bc-bdd7-28af3b148282"
id"resp_0ffec828ae3c92d70169ba7e24f0c0819385ce9120ff22808b"
is_byokfalse
latency213
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-1773829668-wRaqdjK2R8LFZBhfOYYB"
upstream_id"resp_0ffec828ae3c92d70169ba7e24f0c0819385ce9120ff22808b"
total_cost0.00264975
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"

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