Run: 2026-03-18-01KM09TE1DZTQND07157Z44EAW

Run Details

Duration:
6.9s
Cost:
$0.000904
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
The rain tapped windows of Larkspur Hotel all night long. At dawn, Detective Mara Quill found manager lifeless beside mirrors. His hands clutched a key stamped with foreign lettering still. Mara noted bloodless punctures on his throat, oddly precise too. Guests gathered silently, whispering about last night's midnight performance here. Candles still burned in the lobby, defying soaked air outside. One violinist swore he heard footsteps, then sudden silence afterward. Quill asked for names, but everyone answered with practiced dread.
created_at"2026-03-18T11:03:16.794Z" 3/18/2026, 11:03:16 AM
model"openai/gpt-5.4-nano-20260317"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency6700
moderation_latency(null)
generation_time6836
tokens_prompt46
tokens_completion144
native_tokens_prompt41
native_tokens_completion717
native_tokens_completion_images0
native_tokens_reasoning595
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"
usage0.00090445
router(null)
provider_responses
0
endpoint_id"0c835f2e-c18d-4e8c-b245-e1e3bd08b97f"
id"resp_0609f84e6fa770900169ba8674dac88193af2853ff74331744"
is_byokfalse
latency206
model_permaslug"openai/gpt-5.4-nano-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-1773831796-x4iQkk6uJeoQ1ZI8sc9E"
upstream_id"resp_0609f84e6fa770900169ba8674dac88193af2853ff74331744"
total_cost0.00090445
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
010
110
210
310
410
510
610
710