Justin Bieber is far more talented/gifted and hard-working than One Direction! Firstly, Justin has been able to complete the work of five people (1D) as only one person and in fact manages to do it a many times better than One Direction as proven by his staggering pay outcome which as of 2014, was 80 million dollars which is 5 million more than One Direction together.
Furthermore, unlike One Direction he tends to write nearly all of his music himself as he is naturally exceptionally gifted in music being discovered at such a young age on YouTube.
In addition, we all know Justin was discovered for his talent rather than being made like One Direction.
One Direction were clearly made so that they could sell to girls who would fall for their looks and charm rather than their actual singing ability. I am not being biased; Directioners really need to sit down and compare Justin's voice, singing, dancing, song-writing and ability in playing instruments to the members of One Direction. This however has become a hard task for One Direction fans as they will simply not accept and admit that Justin is better for these reasons.
That is why you will find that the vast majority of people who are neither Beliebers, nor Directioners tend to agree that Justin Bieber is better than One Direction. Stating this, it needs to be acknowledged that these people are not a biased source.