Run: 2026-11-11-01M75QBEWTCBE5YD7DANDZY4GV

Run Details

Model:
Gemini 4 Carbon (Reasoning, Medium)
Test:
N-Length Sentences
Scenario:
Write sentences with 5 words each
Duration:
42.7s
Cost:
$0.038564
Provider:
Google AI Studio

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
Heavy rain lashed the glass. Loud thunder shook the hall. Lord Arthur lay quite still. Warm blood stained his coat. A silver dagger gleamed red. Nobody heard the fatal blow. Every guest hid dark truths. Chief Vance locked the door. He studied every tense face. The killer stood right here.
created_at"2026-11-11T16:34:13.034Z" 11/11/2026, 4:34:13 PM
model"google/gemini-4-carbon-20261110"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency4828
moderation_latency(null)
generation_time42655
tokens_prompt46
tokens_completion867
native_tokens_prompt67
native_tokens_completion3843
native_tokens_completion_images0
native_tokens_reasoning3778
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"STOP"
service_tier"default"
usage0.038564
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.22.2; linux; x64))"
http_referer(null)
request_id"req-1794414853-fR3Tcl1YPaTuzdSsQhh8"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1794414853-t4ITnF2Bot9BzV17SEUB"
upstream_id"BZn0asqEDfDGxdIPpdWliQM"
provider_responses
0
endpoint_id"f0c9681d-e99b-4bcb-8031-752429da222d"
id"BZn0asqEDfDGxdIPpdWliQM"
is_byokfalse
latency4828
model_permaslug"google/gemini-4-carbon-20261110"
provider_name"Google AI Studio"
status200
total_cost0.038564
cache_discount(null)
upstream_inference_cost0
provider_name"Google AI Studio"
response_cache_source_id(null)
data_region"global"
workspace_id"97e315e5-d303-487d-83c1-83180e8a13d4"

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences10
wordCounts
05
15
25
35
45
55
65
75
85
95