Run: 2026-07-09-01KX40BS012RN8V5C3MHPMBMPX

Run Details

Duration:
5.6s
Cost:
$0.010408
Provider:
OpenAI

Evaluation summary

Score Evaluator
Details Link
97.79% 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 battered Blackwater's shuttered windows. Guests whispered beneath the chandeliers. At midnight, the clock stopped. Then Valerie screamed from upstairs. Everyone froze, clutching untouched champagne. Hume reached upstairs before the others. Alistair lay beside the desk. A letter-opener gleamed near Alistair. No footprints marked corridor carpeting. Outside, thunder swallowed another secret.
created_at"2026-07-09T17:56:13.449Z" 7/9/2026, 5:56:13 PM
model"openai/gpt-5.6-terra-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency5222
moderation_latency(null)
generation_time5493
tokens_prompt46
tokens_completion111
native_tokens_prompt41
native_tokens_completion687
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)
num_fetches(null)
web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
service_tier"default"
usage0.0104075
router(null)
provider_responses
0
endpoint_id"3cc89000-ae34-4dde-9c7d-5ce009c8af0b"
id"resp_050745156993f56c016a4fe0bd82e48193945c6e3666a2fafe"
is_byokfalse
latency209
model_permaslug"openai/gpt-5.6-terra-20260709"
provider_name"OpenAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.18.0; linux; x64))"
http_referer(null)
request_id"req-1783619773-E6C7zsjF0GHDpSQf3kXb"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783619773-gqhXy5hYeAcsWhzIuJ3j"
upstream_id"resp_050745156993f56c016a4fe0bd82e48193945c6e3666a2fafe"
total_cost0.0104075
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"
response_cache_source_id(null)
data_region"global"

Evaluation details

Result Evaluator Details Meta Data
97.79% Matches word count n/a
neededCleanfalse
sentences10
wordCounts
05
15
25
35
45
56
65
75
85
95