Run: 2026-07-09-01KX418HJTQF9BRX2FNKN36FX0

Run Details

Model:
GPT-5.6 Sol
Test:
N-Length Sentences
Scenario:
Write sentences with 10 words each
Duration:
1.7s
Cost:
$0.002065
Provider:
OpenAI

Evaluation summary

Score Evaluator
Details Link
84.45% 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 polished the windows as midnight bells mourned across Blackwood. Inspector Vale entered, counting footprints beside the murdered pianist. Every candle burned steadily, except one trembling near the portrait. On the carpet, a silver key reflected crimson moonlight. Nobody spoke until the locked piano began playing alone.
created_at"2026-07-09T18:11:56.134Z" 7/9/2026, 6:11:56 PM
model"openai/gpt-5.6-sol-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency486
moderation_latency(null)
generation_time1639
tokens_prompt46
tokens_completion89
native_tokens_prompt41
native_tokens_completion62
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"
usage0.002065
router(null)
provider_responses
0
endpoint_id"a54c5de0-89bf-4ad7-a212-cf977eed918a"
id"resp_06b1de4b6ac05604016a4fe46c36f481969af0fafe2ce91cfe"
is_byokfalse
latency215
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-1783620716-twGoxfuKr45ALKOuReez"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783620716-0WY2bnvS6cMBbHt9fduJ"
upstream_id"resp_06b1de4b6ac05604016a4fe46c36f481969af0fafe2ce91cfe"
total_cost0.002065
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"
response_cache_source_id(null)
data_region"global"

Evaluation details

Result Evaluator Details Meta Data
84.45% Matches word count n/a
neededCleanfalse
sentences5
wordCounts
010
19
210
39
49