The title is now Chelsea's to lose with just 14 games left of the season.
Arsenal haven't won the Premier League since 2004 and have only won three trophies in the last 12 years.
Gary Neville believes Arsenal are a "million miles away" from competing for the Premier League
Arsene Wenger has picked up just five points in six games against the top six
And Neville held nothing back in criticising Arsenal for not showing enough grit to win more trophies.
"It just feels like the same," Neville told Sky Sports. "Not strong enough, not resilient enough, not powerful enough and not good enough ultimately to compete in a match of this nature in an important part of the season when they can apply a bit of pressure to their rivals. They have fallen well short.
"I'm not one to look back to yesteryear, but when you think of the spine of Adams and Keown or Vieira and Petit that really could have handled a game like today against a powerful, strong Chelsea team.
Arsenal player ratings against Chelsea
Sat, February 4, 2017
Express Sport brings you Arsenal's player ratings from their 3-1 defeat to Chelsea
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Arsenal are now 12 points behind Chelsea
"They are a million miles away from that in terms of their ability to produce that type of performance.
"They just haven't got enough meat in the team to be able to deal with the power, strength and shrewdness.
"You have to stop the opposition team playing football. This Arsenal team, for the past five or six years, just don't seem to pay enough attention to it."