Run: 2026-07-09-01KX408BGDZ0AGVQHWWD58JHVW

Run Details

Model:
GPT-5.6 Sol
Test:
N-Length Sentences
Scenario:
Write sentences with 10 words each
Duration:
2.1s
Cost:
$0.002155
Provider:
OpenAI

Evaluation summary

Score Evaluator
Details Link
74.08% 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
Rain silvered Blackthorn Manor when Inspector Vale arrived uninvited. Inside, twelve guests waited beneath the stopped grandfather clock. Their host lay dead, clutching a white chess knight. No door stood open, and every window remained bolted. Vale counted eleven faces, then heard laughter upstairs, alone.
created_at"2026-07-09T17:54:21.332Z" 7/9/2026, 5:54:21 PM
model"openai/gpt-5.6-sol-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency636
moderation_latency(null)
generation_time2052
tokens_prompt46
tokens_completion84
native_tokens_prompt41
native_tokens_completion65
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"
usage0.002155
router(null)
provider_responses
0
endpoint_id"a54c5de0-89bf-4ad7-a212-cf977eed918a"
id"resp_082003b24c5aa17a016a4fe04d654c8197ae395902f5405213"
is_byokfalse
latency255
model_permaslug"openai/gpt-5.6-sol-20260709"
provider_name"OpenAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.18.0; linux; x64))"
http_referer(null)
request_id"req-1783619661-nyYwu4OTk1ap4KmWyr1j"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783619661-3hTJ6Q714uBWo4ATQqz2"
upstream_id"resp_082003b24c5aa17a016a4fe04d654c8197ae395902f5405213"
total_cost0.002155
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"
response_cache_source_id(null)
data_region"global"

Evaluation details

Result Evaluator Details Meta Data
74.08% Matches word count n/a
neededCleanfalse
sentences5
wordCounts
09
19
29
39
49