NC Bench
Overview
About
Tests
Categories
Models
Vendors
Compare
Run: 2026-09-02-01M1HJHBVFSAET6DASJZ5FFN4Z
Run Details
Model:
Gemini 3.8 Flash (Reasoning, Medium)
Test:
Dialogue tags
Scenario:
Write 500 words with 50% dialogue
Duration:
40.0s
Cost:
$0.051215
Provider:
Google AI Studio
Evaluation summary
Score
Evaluator
Details Link
99.98%
Matches word count
(details)
99.95%
Dialogue to Total Word Ratio
(details)
99.9673%
Overall
Model input
User/Human
You are a author of comedic heist books. Please write a 500 word scene that has 50% words of dialogue between two thieves named Molly and Bill who are planning to break into a children's party to steal all the presents. Only include the prose of the scene without any markdown or commentary.
Model response
Messages
Meta
AI
Molly smoothed the operational diagram across the dashboard of their rusted surveillance van. The map had been rendered entirely in purple crayon across the back of a greasy pancake menu. Outside, the suburban backyard basked in warm afternoon sunlight, blissfully unaware of the master thieves watching from the curb. Two rolls of heavy duct tape sat ready beside the gearshift. "Give me the tactical perimeter report again right now," Molly ordered. "The entire lawn is compromised," Bill answered. "I count twelve hostiles, all under four feet tall, hopped up on strawberry soda and funfetti cake. They are volatile, aggressive, and covered in sticky residue." "Did you locate the primary birthday prize?" Molly asked. "Beneath the willow tree," Bill confirmed. "Timmy turns seven today, and his grandmother delivered a motorized convertible alongside seven massive sets of interlocking plastic bricks." "Are the potato sacks reinforced?" Molly asked. "Double-stitched burlap," Bill whispered. "They can handle forty pounds of plastic cargo each." She adjusted her itchy woolen ski mask, completely ignoring the scorching midsummer heat trapped inside the cramped vehicle. Through binoculars, the distant plastic picnic table looked like a fortified treasure vault. A nearby yellow bouncy castle wheezed continuously as children ricocheted off its vinyl walls like tiny, caffeinated cannonballs. "What about the hired security?" Molly asked. "The clown named Barnaby is pacing near the patio," Bill warned. "Look at those oversized red shoes. He could easily conceal several blunt instruments in there. Plus, his painted smile radiates pure psychological warfare." "Barnaby is eighty years old and legally blind without his bifocals," Molly countered. "He is an entertainer, not an assassin." "What if Barnaby honks his nose?" Bill asked. "Ignore acoustic intimidation," Molly ordered. "Stick to the plan." "He made a poodle out of latex that could kill a man," Bill muttered. Bill nervously wiped sweat from his palms, clutching a pair of oversized potato sacks. Across the manicured grass, a chorus of loud, off-key singing suddenly erupted from the patio. The mother emerged carrying a sheet cake blazing with sparklers, instantly drawing the pack of toddlers away from the lawn. "Check the rear perimeter," Molly added. "The bounce castle operator is asleep," Bill reported. "Our flank is totally clear." "The distraction has begun," Molly declared. "Synchronize watches." "My watch features superhero graphics, but I am ready," Bill whispered. "What is our extraction route?" "We slip past the sandbox, load the sacks, and roll the mini-car through the hedges," Molly instructed. "If anyone intercepts us, deploy the decoy chocolate bars." "Full-sized bars or miniature?" Bill inquired. "Full-sized, Bill. We are thieves, not savages. Quality matters." Molly stated. "Understood. Let us execute the greatest toy heist in history." Bill grinned. Molly quietly popped open the rusty van door and crept silently into the dense green hydrangeas. Bill followed closely on his belly, dragging the empty burlap sacks across the damp lawn toward the glittering mountain of ribbon. Together, they slithered forward toward their plastic fortunes under the warm, golden suburban afternoon sun.
created_at
"2026-09-02T17:26:45.878Z"
9/2/2026, 5:26:45 PM
model
"google/gemini-3.8-flash-20260902"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
2634
moderation_latency
(null)
generation_time
40008
tokens_prompt
75
tokens_completion
4682
native_tokens_prompt
67
native_tokens_completion
13644
native_tokens_completion_images
0
native_tokens_reasoning
12957
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
"STOP"
service_tier
"default"
usage
0.05121525
router
(null)
user_agent
"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer
(null)
request_id
"req-1788370005-4h2Y8Ci1eiaorTj9Ru3f"
session_id
(null)
preset_id
(null)
api_type
"completions"
id
"gen-1788370005-5CKqdeXZOVkuarUPnnw7"
upstream_id
"VVyYavLYOZ7N-sAPubXo2QY"
provider_responses
0
endpoint_id
"d376f781-516d-42f9-936d-46f19abca6cc"
id
"VVyYavLYOZ7N-sAPubXo2QY"
is_byok
false
latency
2511
model_permaslug
"google/gemini-3.8-flash-20260902"
provider_name
"Google AI Studio"
status
200
total_cost
0.05121525
cache_discount
(null)
upstream_inference_cost
0
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
99.98%
Matches word count
n/a
neededClean
false
words
498
99.95%
Dialogue to Total Word Ratio
Ratio: 50.10%, Deviation: 0.10%
neededClean
false
wordsTotal
503
wordsDialogue
252
99.9673%