What's The Difference: Thai Chili Vs. Siling Labuyo

Both are called bird's eye chili but only one is the real siling labuyo.

This is what Thai chili (left) and siling labuyo (right) look like, side by side.
Photo by Shutterstock

Is it or is it not a siling labuyo? 

The general confusion between what is a siling labuyo is not entirely our fault. Labels that claim it's a siling labuyo are not totally wrong either. There are some chili peppers in other countries that are also called bird's eye chili, too. 


These peppers are said to be brought to Southeast Asia by the Spanish and the Portuguese to give our dishes a delightful heat and so the Philippines may not be the only country that inherited this kind of pepper. If you're confused about whether the sili you have in your kitchen is a siling labuyo or not, here's what you need to know: 

Photo by Isi Laureano
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1 The siling labuyo is hotter than the Thai chili. 

The level of spiciness of a pepper variety is rated on the Scoville Scale, a tool created by Wilbur Scoville which uses a standardized unit of measurement to determine the pungency or the heat of a pepper. It measures the concentration of capsaicinoids, which is responsible for the heat and irritation we feel on our tongue when we eat a pepper. This standard unit of measurement is called a Scoville heat unit (SHU). 

On this scale, the siling labuyo scores 100,000 up to 225,000 SHU (9 to 10 on the scale) while the Thai chili scores 50,000 up to 100,000 (7 to 9). This means that the tiny siling labuyo is actually hotter, spicier than the Thai variety of chili peppers. 

According to the chart, the Thai chili spicy level¬†ranges from "hot" to "spicy hot" and are hotter than the jalape√Īo, tabasco, serrano, and even the cayenne chili peppers. The¬†siling labuyo¬†meanwhile is "spicy hot" to "very hot" and are similar¬†in heat to the infamous Scotch bonnet, haba√Īero, and the Devil's tongue red chili peppers.¬†

Photo by Shutterstock

2 Siling labuyo is smaller than Thai chili. 

Our native siling labuyo grows small, around 1 inch up to 1.5 inches in length. The Thai chili can grow longer than this and usually measures up to 2 inches in length. This is one of the reasons why it can be confused with the siling labuyo since even the size is close to the other. 

Photo by Shutterstock

3 Siling labuyo is rounded while the Thai chili is long and pointed. 

Just by looking at the chili pepper, you can tell it's which is a siling labuyo and what is. That's because the Thai chili pepper is small but is long and narrow in shape with a pointed end. The siling labuyo is the opposite of these: it's small but it is short with a rounded tip. 


Still confused? That's okay! Whether you're using the real siling labuyo or the Thai variety, your recipe will still be a spicy one. Just add more if you want to experience the real heat of the siling labuyo if you think it's not the real thing. 


Thinking about what to cook next? Join our Facebook group, Yummy Pinoy Cooking Club, to get more recipe ideas, share your own dishes, and find out what the rest of the community are making and eating!

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