Run: 2026-07-09-01KX3ZZFBWNGPMZMNE2XMBXNB2

Run Details

Duration:
7.3s
Cost:
$0.019555
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 5 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
Rain polished the midnight cobblestones. Inspector Vale arrived before dawn. The mansion’s windows watched silently. Inside, twelve candles still burned. One chair faced the fireplace. Its velvet cushion gleamed crimson. Lord Harrow lay beside it. Silver steel pierced his throat. His right hand clutched nothing. His left held a key. No doors appeared remotely locked. Yet footprints ended beneath him. Vale studied the gathered household. Every face offered practiced shock. Only young Clara seemed bored. She pointed toward the mantel. The clock was ticking backward. Then someone upstairs screamed twice. Vale counted eleven frightened faces. Twelve candles continued burning downstairs.
created_at"2026-07-09T17:49:30.372Z" 7/9/2026, 5:49:30 PM
model"openai/gpt-5.6-sol-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency6558
moderation_latency(null)
generation_time7161
tokens_prompt46
tokens_completion198
native_tokens_prompt41
native_tokens_completion645
native_tokens_completion_images0
native_tokens_reasoning491
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"
usage0.019555
router(null)
provider_responses
0
endpoint_id"a54c5de0-89bf-4ad7-a212-cf977eed918a"
id"resp_0d839c3aba510134016a4fdf2a70708195a9581c96a668ac92"
is_byokfalse
latency235
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-1783619370-TuTJZoiuvOw1SxYF3DWV"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783619370-kbFWlpsJ9sLIK7c1aLSy"
upstream_id"resp_0d839c3aba510134016a4fdf2a70708195a9581c96a668ac92"
total_cost0.019555
cache_discount(null)
upstream_inference_cost0
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
neededCleanfalse
sentences20
wordCounts
05
15
25
35
45
55
65
75
85
95
105
115
125
135
145
155
165
175
185
195