Wakizashi Vs Kodachi — What's The Difference?

Have you heard about Wakizashi and Kodachi? If not, then we are here to tell you about these two and the critical points regarding Kodachi vs Wakizashi. You may have information about the world of samurai weaponry, which is attractive and filled with blades that hold both lethality and cultural significance. 

Among these, Wakizashi and Kodachi stand out as shorter swords, often mistaken for one another. While their lengths may overlap, these blades occupy distinct spaces in samurai history and design. 

Although these swords share similarities, they possess distinct characteristics that reflect their unique historical backgrounds, designs, functionalities, and cultural legacies. So, let's jump into the thrilling differences between the two. 

The Wakizashi

The Wakizashi is the more familiar of the two swords and became prominent during the Muromachi period (1337-1573 AD). It served as the shorter companion blade in the Daisho, the paired long and short swords that were considered the Samurai class’s hallmark. 

Wakizashi can be worn all the time, which makes it a versatile backup weapon as well as a symbol of the samurai’s honor and a tool for ritual suicide, called seppuku, to preserve one’s honor. Below are the points showing the significance of Wakizashi:

  • Shows a symbiotic relationship when paired with the katana. 
  • Serves beyond backup and is heavily utilized for offense and defense. 
  • Considered as a mark of social status.
  • Worked beyond the battlefield as it could be used for everyday tasks like cutting rope or preparing food on the go.  

The Kodachi

The Kodachi, meaning “small tachi,” remains a bit more mysterious. It was used before and during the early Muromachi period. The Kodachi is a short sword typically longer than a Tanto but shorter than a Wakizashi. It was not part of the official Daisho pair, making it less common in the samurai world. 

Its length, typically between 18 and 24 inches, offered a middle ground between a dagger and a full-sized sword. This could have been ideal for close-quarter combat situations for samurai who weren’t yet using a katana. 

Historical Background and Origins

The Kodachi’s origins lie in the tachi, an earlier style of sword worn with the cutting edge facing downwards. Unlike the Wakizashi, which was forged to complement the katana’s length, the Kodachi had a more standardized size.

The Wakizashi, a shorter companion to the iconic katana, emerged during Japan's medieval era. It served various purposes, from being a backup weapon for Samurai to symbolizing a warrior’s social status. 

On the other hand, the Kodachi, though similar in size, finds its roots in earlier periods. It was primarily utilized by foot soldiers and later adopted by Samurai for its versatility in close battle. 

Design and Manufacturing

Expertise lies at the heart of both Wakizashi and Kodachi production. While Wakizashi typically measures between 12 to 24 inches, Kodachi falls within a similar range, though slightly shorter. The curving of their blades, known as the Sori, differs somewhat, impacting their cutting techniques. 

Moreover, the making of these swords involves complex imitating techniques, with skilled artists precisely moderating the steel to achieve optimal strength and sharpness. 

Wakizashi Traits

  • Social Status: During the Edo period (1603-1868), samurai wore their Wakizashi as a symbol of their social status. The quality of the blade and its fittings reflected the wearer’s wealth and prestige. 
  • Versatility: The Wakizashi’s size made it ideal for close-quarter battle, where the katana’s sweeping motions might be delayed. It could also be used for seppuku (ritual suicide) or as a backup weapon if the katana was lost or damaged. 
  • Size and Curving: The Wakizashi measures between 30 and 60 cm (12 to 24 inches) and features a robust single-edged blade with a slight curve. 

Kodachi Features

  • Uncertain Purpose: The exact role of the Kodachi is debated. Some theories suggest it might have been a companion blade to a regular-sized tachi, while others suggest it as a sword for a mounted battle where a katana would be heavy. 
  • Mounting: The Kodachi’s mounting style resembled the tachi, with the blade worn edge-downward in the sash. This differed from the Wakizashi’s upward alignment when worn in the sash. 
  • Size and Curving: The Kodachi stands out with its length, under 60cm, making it slightly longer than the Tanto but shorter than most Wakizashi. It is single-edged and can either be slightly curved or straight, depending on the specific style and period.

Functionality and Use


Wakizashi is primarily a secondary weapon for samurai. It was used for close-quarters battle, backup, or seppuku. Its length varied depending on the wearer and katana. 


Kodachi’s usage was less clear. It was possibly considered a primary sword or companion blade. It was more prevalent during the early Kamakura period. It had a standardized size, typically longer than some Wakizashi. 

Cultural Symbolism and Legacy


The Wakizashi surpassed its practical purpose, becoming a symbol of samurai honor and social status. Its presence in the daisho pairing signified the samurai's readiness to fight and their right to wear two swords.


The Kodachi, on the other hand, holds a more mysterious place in history. Its decline in use makes it a less prominent symbol, yet it offers insight into the development of samurai weaponry and fighting styles.

The Bottom Line

As we dig deeper into the rich history and techniques behind these iconic blades, we come to appreciate not only their physical characteristics but also the deep cultural values they represent. The Wakizashi, alongside the katana, personified the samurai's constant state of preparedness. 

It symbolized their readiness to defend themselves and their honor at a moment's notice. The Kodachi, covered in a bit more mystery, hints at the growth of samurai warfare and the various battle styles throughout Japanese history.

As we admire their artistry and consider their history, we gain a deeper appreciation for the values that shaped samurai culture – courage, loyalty, and firm discipline. The Wakizashi and Kodachi stand as proof of a rich heritage, reminding us of the lasting legacy of the samurai class.