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Run: 2026-07-09-01KX40E84MM87YNVK9D26EFVEH
Run Details
Model:
GPT-5.6 Sol
Test:
N-Length Sentences
Scenario:
Write sentences with 20 words each
Duration:
3.1s
Cost:
$0.004045
Provider:
OpenAI
Evaluation summary
Score
Evaluator
Details Link
84.26%
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
Messages
Meta
AI
At midnight, Inspector Vale arrived at Blackthorn Manor, where snow had already buried every road and silenced the ancient gardens. Inside, twelve guests stood beneath the chandelier, staring at their host, who lay dead beside a shattered grandfather clock. No window was open, no door unlocked, yet muddy footprints crossed the carpet and ended beneath Lady Blackthorn's crimson chair. Vale counted eleven guests, then noticed the portrait above the fireplace depicted a twelfth face still glistening with fresh, wet paint. From somewhere behind the paneled walls, a woman laughed softly, and every candle in the drawing room abruptly went dark.
created_at
"2026-07-09T17:57:34.492Z"
7/9/2026, 5:57:34 PM
model
"openai/gpt-5.6-sol-20260709"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
583
moderation_latency
(null)
generation_time
3023
tokens_prompt
46
tokens_completion
169
native_tokens_prompt
41
native_tokens_completion
128
native_tokens_completion_images
0
native_tokens_reasoning
0
native_tokens_cached
0
num_media_prompt
(null)
num_input_audio_prompt
(null)
num_media_completion
0
num_search_results
(null)
num_fetches
(null)
web_search_engine
(null)
origin
"https://ncbench.com/"
is_byok
false
finish_reason
"stop"
native_finish_reason
"completed"
service_tier
"default"
usage
0.004045
router
(null)
provider_responses
0
endpoint_id
"a54c5de0-89bf-4ad7-a212-cf977eed918a"
id
"resp_0ea2859b833afd8b016a4fe10e92348193a98668befe45d2c2"
is_byok
false
latency
251
model_permaslug
"openai/gpt-5.6-sol-20260709"
provider_name
"OpenAI"
status
200
user_agent
"langchainjs-openai/1.0.0 ((node/v24.18.0; linux; x64))"
http_referer
(null)
request_id
"req-1783619854-17td2XbYgL0TGuZkSSBC"
session_id
(null)
preset_id
(null)
api_type
"completions"
id
"gen-1783619854-am19QTKSKpLtaiOt4iut"
upstream_id
"resp_0ea2859b833afd8b016a4fe10e92348193a98668befe45d2c2"
total_cost
0.004045
cache_discount
(null)
upstream_inference_cost
0
provider_name
"OpenAI"
response_cache_source_id
(null)
data_region
"global"
Evaluation details
Result
Evaluator
Details
Meta Data
84.26%
Matches word count
n/a
neededClean
false
sentences
5
wordCounts
0
20
1
19
2
20
3
21
4
20