NC Bench
Overview
About
Tests
Categories
Models
Vendors
Compare
Run: 2026-07-09-01KX40D69631B1Q95NV1XY19GC
Run Details
Model:
GPT-5.6 Sol (Reasoning)
Test:
N-Length Sentences
Scenario:
Write sentences with 10 words each
Duration:
8.8s
Cost:
$0.020035
Provider:
OpenAI
Evaluation summary
Score
Evaluator
Details Link
100.00%
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
Messages
Meta
AI
At midnight, the chapel bell rang beneath a moonless sky. Inspector Vale arrived before the trembling servants found their courage. Inside, Lord Harrow lay smiling beside the cold stone altar. A silver key protruded strangely from his pale, bloodless throat. No wound appeared, though crimson stained his white evening gloves. The locked doors remained bolted, watched by two frightened footmen. On dusty tiles, wet footprints ended beneath Harrow’s motionless body. Then the dead man’s pocket watch began ticking backwards softly. Vale listened, while thunder whispered across the dark, empty moor. Someone upstairs laughed once, then carefully locked another door nearby.
created_at
"2026-07-09T17:56:59.827Z"
7/9/2026, 5:56:59 PM
model
"openai/gpt-5.6-sol-20260709"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
7233
moderation_latency
(null)
generation_time
8521
tokens_prompt
46
tokens_completion
333
native_tokens_prompt
41
native_tokens_completion
661
native_tokens_completion_images
0
native_tokens_reasoning
516
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
0.020035
router
(null)
provider_responses
0
endpoint_id
"a54c5de0-89bf-4ad7-a212-cf977eed918a"
id
"resp_037ebceb46a2e849016a4fe0ebe754819588fa4a7bd71cfd40"
is_byok
false
latency
264
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-1783619819-FNd42l7AFxEmWhktrGwf"
session_id
(null)
preset_id
(null)
api_type
"completions"
id
"gen-1783619819-xnp3VABRz3vNlheAtr7Y"
upstream_id
"resp_037ebceb46a2e849016a4fe0ebe754819588fa4a7bd71cfd40"
total_cost
0.020035
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
100.00%
Matches word count
n/a
neededClean
false
sentences
10
wordCounts
0
10
1
10
2
10
3
10
4
10
5
10
6
10
7
10
8
10
9
10