The notion of one type of sword being universally "better" than another, such as Chinese swords being better than katanas or vice versa, is subjective and depends on various factors, including the specific criteria, combat style, and intended use. Both Chinese swords and katanas have their own unique characteristics and advantages. Here are some considerations:

1. Blade Design and Purpose: Chinese swords, such as the jian or dao, can have straight or slightly curved blades and are known for their agility, balance, and precision. They emphasize fluid and agile movements and can be optimized for cutting, thrusting, or a combination of both. Katanas, on the other hand, have a curved, single-edged blade designed for versatile cutting, slashing, and thrusting techniques. The curve of the katana's blade allows for efficient cutting motions and can deliver powerful strikes.
2. Combat Style and Tactics: Chinese swordsmanship encompasses various styles and techniques depending on the specific school or system. Chinese sword techniques can include precise cuts, rapid thrusts, and flowing movements. Chinese swords are often associated with martial arts traditions and historical periods. Japanese swordsmanship, associated with the samurai warriors, emphasizes agility, precision, and a combination of cutting and thrusting techniques. Japanese sword techniques often involve the use of the entire body and focus on quick, decisive strikes.
3. Historical Context and Cultural Significance: Chinese swords have a rich cultural and historical significance in China, often associated with martial arts traditions, folklore, and historical periods. They are known for their craftsmanship and represent the heritage of Chinese martial arts. Katanas carry significant cultural and historical importance in Japan. They represent honor, craftsmanship, and the warrior ethos of the samurai class.
4. Blade Construction and Techniques: Chinese sword-making has a long history with variations in techniques, materials, and regional styles. Chinese swords can be made using different types of steel, heat treatment methods, and specific attention to blade balance and flexibility. Japanese swordsmithing has a rich tradition with specific techniques and methods, including the use of different types of steel, differential hardening, and careful attention to the blade's shape and balance.
5. Personal Preference and Context: Determining which sword is "better" depends on personal preference, combat style, and the specific context in which the sword will be used. Factors such as individual skill, training, intended use (e.g., martial arts, historical reenactment, self-defense), and personal aesthetics can all influence the choice between Chinese swords and katanas.

It's important to note that the preference for Chinese swords or katanas can also be influenced by cultural background, historical context, and personal experiences. Both Chinese swords and katanas have their own merits, historical contexts, and intended uses. The choice between them depends on factors such as combat style, cultural significance, personal preference, and the specific requirements of the user.