No. They are very different.
There is some similarity in that both usually include physical, mental and spiritual practices. They both also have great health benefits.
One of the primary differences (and there are many others) is that Tai Chi is a brutal and devastating martial art. Yoga is not.
Originally, Tai Chi and Yoga are from two different cultures and movements. Yoga is from India; and Tai Chi is from China-basically from the Martial Arts. These days there are places that combine the two, or they teach the two separately.
There is an article that says, "For better balance, Pilates and Tai Chi beat Yoga..." And also"...yoga might reduce falls, but other forms of exercise probably work better."
Yoga is done on a flat floor or flat mat. As far as I know, Tai Chi does not need to be done on a flat surface.
Yoga involves Mantras and Prayer while Tai Chi involves meditation.
Tai Chi circulates your chi (energy) and blood and is believed to be a form of healing. Yoga can be an aid in healing but is more of a form of healing.
Tai Chi is believed to have been created in China by an Indian Prince, the Bodhidarma. There would be an historical relationship between the two based on this.
The most popular Tai Chi DVD series are The Tai Chi - 24 Hours, Sunrise Tai Chi, Totaly Nude Yoga and Tai chi, Tai Chi for Health - Yang Short Form with Terrence Dunn etc.
Ku style Tai Chi does exist, as well as Wu style; and many other styles of Tai Chi. Katara studies Ku style/Yang form Tai Chi, Sun style Tai Chi, and Bikram Yoga.
Yoga Tai Chi
It is said that the first Tai Chi master observed a fight between a snake & a crane and mimicked their movements. Much of Tai Chi is taken from nature and the observation of the actions of animals.
The style is Ku style/Yang form, Sun style Tai Chi, and Yoga. There is one website for Ku style and a few websites for Sun style. There are several websites for Yoga.
Ku style /Yang form Tai Chi.
There are 5 Primary types of Tai Chi.They are:YangChenWuSunWu/HaoKu style (A style of Tai Chi that is the basis of Waterbending in the Nickelodian series "Avatar: The Last Airbender" and the trilogy that's based off of the three seasons of the Nickelodian series called "The Last Airbender".)). There are thousands of other styles that are derivatives or variations on the main 5.
Try Yoga, Tai chi or Tai chi chuan, meditation or anything that takes your mind off food.
Tai Chi comes from China.
tai gik is the cantonese pronunciation. tai chi is mandarin.
Tai chi is an ancient form of exercise, about 2,000 years old, that at one point had over 100 separate movements or postures.
Tai Chi Zero is a martial arts style film created in 2012. Yang ventures to Chen Village to dabble in the arts of tai chi. Villagers were strictly forbidden from teaching outsiders about the most powerful form of tai chi and a man planning to construct a railroad through his village prompted Yang.