Run: 2026-07-09-01KX40XMH3D23M992FDBF66CFQ

Run Details

Duration:
1.9s
Cost:
$0.001543
Provider:
OpenAI

Evaluation summary

Score Evaluator
Details Link
4.22% Matches word count (details)

Model input

User/Human
Please write the opening scene of a murder mystery where each sentence has exactly 20 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
At midnight, the lighthouse bell rang thirteen times, though its rusted mechanism had been silent for decades. Inspector Vale arrived beneath cold rain, finding the keeper dead beside a locked door and overturned chessboard. His pockets held no key, yet seawater pooled around his boots, carrying crimson threads toward the black staircase. Outside, seven villagers waited silently, each claiming they heard nothing except the bell and someone laughing upstairs.
created_at"2026-07-09T18:05:58.698Z" 7/9/2026, 6:05:58 PM
model"openai/gpt-5.6-terra-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency528
moderation_latency(null)
generation_time1794
tokens_prompt46
tokens_completion120
native_tokens_prompt41
native_tokens_completion96
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"
usage0.0015425
router(null)
provider_responses
0
endpoint_id"3cc89000-ae34-4dde-9c7d-5ce009c8af0b"
id"resp_09b5105a13fdb05a016a4fe306c3f081909a2366651284822c"
is_byokfalse
latency250
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-1783620358-IdVhAHtTzxGCmLAlrs5r"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783620358-eVxoMyWyAERJCyuNWGsl"
upstream_id"resp_09b5105a13fdb05a016a4fe306c3f081909a2366651284822c"
total_cost0.0015425
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"
response_cache_source_id(null)
data_region"global"

Evaluation details

Result Evaluator Details Meta Data
4.22% Matches word count n/a
neededCleanfalse
sentences4
wordCounts
017
117
218
317