Run: 2026-04-24-01KQ0N42A82ZJPB0WVYPXQNBV5

Run Details

Duration:
6.9s
Cost:
$0.011185
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 veiled the manor's windows. Inside, twelve guests awaited dinner. Then the chandelier flickered twice. Lady Harrow screamed from upstairs. We found Sir Edmund bleeding. His watch read exactly midnight. A silver letter opener glimmered. No one admitted recognizing it. Inspector Vale barred every exit. Somewhere, the murderer was smiling.
created_at"2026-04-24T21:07:52.271Z" 4/24/2026, 9:07:52 PM
model"openai/gpt-5.5-20260423"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency6378
moderation_latency(null)
generation_time6826
tokens_prompt46
tokens_completion93
native_tokens_prompt41
native_tokens_completion366
native_tokens_completion_images0
native_tokens_reasoning291
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"
usage0.011185
router(null)
provider_responses
0
endpoint_id"58e5b336-423e-430b-a2ab-8bc353f0c51b"
id"resp_0904dd6c394c18a50169ebdba863608193b225ac866d0538d3"
is_byokfalse
latency133
model_permaslug"openai/gpt-5.5-20260423"
provider_name"OpenAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer(null)
request_id"req-1777064872-x3MLf0ybusjWMd0uqsQB"
session_id(null)
api_type"completions"
id"gen-1777064872-L8CeU2uAKpDF7DTK9i9w"
upstream_id"resp_0904dd6c394c18a50169ebdba863608193b225ac866d0538d3"
total_cost0.011185
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences10
wordCounts
05
15
25
35
45
55
65
75
85
95