Run: 2026-09-23-01M36NHMY0CK0WS0MW4G7A8G55

Run Details

Duration:
2.0s
Cost:
$0.000023
Provider:
OpenAI

Evaluation summary

Score Evaluator
Details Link
95.58% 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 tapped against the windows. Mara found the study unlocked. The clock had stopped at midnight. Someone whispered beneath the floorboards. Then the lights went out.
created_at"2026-09-23T08:19:05.798Z" 9/23/2026, 8:19:05 AM
model"openai/gpt-6-luna-20260922"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1972
moderation_latency(null)
generation_time1972
tokens_prompt46
tokens_completion43
native_tokens_prompt41
native_tokens_completion37
native_tokens_completion_images0
native_tokens_reasoning0
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"
usage0.0000226
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.20.0; linux; x64))"
http_referer(null)
request_id"req-1790151545-zU8UDdE3CgF7TMbmQHLP"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1790151545-hIQgiLcgklqnKhjzWY2y"
upstream_id"resp_00a45c8a1dd7582f016ab38b7a18a087d1b5e950bb9adbe09e"
provider_responses
0
endpoint_id"05e94e02-b9c2-4bbb-ba55-4082ee9ad687"
id"resp_00a45c8a1dd7582f016ab38b7a18a087d1b5e950bb9adbe09e"
is_byokfalse
latency957
model_permaslug"openai/gpt-6-luna-20260922"
provider_name"OpenAI"
status200
total_cost0.0000226
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"
response_cache_source_id(null)
data_region"global"
workspace_id"97e315e5-d303-487d-83c1-83180e8a13d4"

Evaluation details

Result Evaluator Details Meta Data
95.58% Matches word count n/a
neededCleanfalse
sentences5
wordCounts
05
15
26
35
45