Speed or Accuracy? A Thorough Comparison of AI Sticker Creation: 'High-Speed vs. Thinking Mode' [Gemini 3]
I want to try making LINE stickers with AI!
Have you ever tried that, only to give up because it generated mysterious alien languages or couldn't create them all at once?


There are others like 'Ouhau!', 'Watta!', and 'Agayou!'
...Actually, these are the characters from stickers I (Fukurou-kun) previously tried to make with AI and failed. It's a hell of exquisite garbled text that you can almost read but can't quite make out.
Is Japanese really impossible for AI after all?
I have good news for everyone who was about to give up.
The latest AI, 'Gemini 3', has a 'hidden switch' that resolves this garbled text in one go.
This time, Fukurou-kun, an AI beginner, verified how dramatically stickers change by switching between 'High-Speed Mode' and 'Thinking Mode'.
In this 3-minute read, your AI sticker creation skills will evolve to a professional level in an instant.
Incident Occurred! The Trap of 'High-Speed Mode'
Fukurou-kun, who cried over garbled text when creating with 'Nobanana Pro' before.
Thinking 'Gemini 3 should be able to do it!', I got enthusiastic and tried making stickers right away.
So fast!!! However, this is what was generated with the default settings (High-Speed Mode).

▲ Generated with Gemini 3 High-Speed Mode. So close...!
🦉 Fukurou-kun:
Hoo...? What is 'Ouhau!'? And 'Ine!'... does that mean 'Iine' (Like)?
The pictures are cute, but the text is too disappointing to use... 😭
That is exactly right.
'Fast mode,' as the name suggests, prioritizes image generation speed above all else. Because of this, it cannot keep up with complex Japanese character processing, leading to frequent 'near-miss' garbled text.
Many people give up here, thinking, 'AI is still not good enough.'What a waste!
The key to success is switching to 'Thinking mode'
Actually, there is a crucial button on the Gemini input screen that determines your fate.
It is right here ↓.

The 'Fast mode' dropdown menu located at the bottom right of the input field.
Click here to switch to 'Thinking mode'.
That is all it takes.
You do not need to change your instructions (prompt). You only need to change one setting.
🦉 Owl-kun:
'Wait, just that? Will this really fix it, hoo?'
Owl-kun is skeptical. We will try again using the exact same instructions (prompt) as before, changing only the mode.
Dramatic evolution! This is the power of 'Thinking mode'
Now, what happened?
Take a look at the results.

▲ Generated with Gemini 3 Thinking mode. It's perfect.
🦉 Owl-kun:
'HOOOO!!??
'Good morning!', 'Understood!', 'Sounds good!'
It's perfect Japanese, hoo! Even the kanji for 'studying' is perfect, hoo!'
What do you think?
As if the previous 'Ohau!' was a lie, a sticker of commercial quality has been completed.
[Comparison Summary] Why is there such a big difference?

When you set it to 'Thinking Mode,' the AI deeply understands (reasons) that 'I need to write meaningful Japanese' before it starts drawing. That is why the text does not get garbled.
Summary: A single setting can turn 'failure' into 'success'
What is important in AI sticker creation is not sense, but knowing the 'correct settings'.
If you are just trying it out, use 'High-Speed Mode'
If you are making actual stickers, use 'Thinking Mode'
As long as you can use these appropriately, anyone can become an original LINE sticker creator, just like Fukurou-kun!
If you thought 'Wow!', please let me know by pressing the heart button (Like) on the bottom right!
🦉 To you who want to master AI even more
Utilizing 'Thinking Mode' is just one small part of AI's capabilities.
In the Minerva AI learning course, you can learn systematically, starting from knowledge for AI beginners.
Why not grab a freer future with AI together with Fukurou-kun?
👉 [Click here for course details and free trial]
https://www.oita-apc.co.jp/service/processing/education/
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