The Wallabies escaped with a 20-18 win at Telstra Stadium when Mat Rogers crossed in the 75th minute to lock up the scores, before Stirling Mortlock's conversion allowed them to sneak home.
Jones believes changes need to be considered in the Australian side if it is to be a real threat at next year's World Cup in France.
"You keep on getting the good games here and there from the older players ... but at the end of the day those good games get less and less," Jones told radio station 2KY.
"If you look at the performances on Saturday, one of the things that probably stood out watching it was the lack of energy in the side."
"Whether replacing some of the senior players, or making changes to other people, there definitely needs to be changes in the team."
The Wallabies had a horror season last year, and while they had wins over England and Ireland earlier this year, both teams were fielding weakened sides.
With the exception of their 49-0 thrashing of the Springboks in Brisbane, Australia's performance in the Philips Tri Nations has been less than awe-inspiring, with the once-dominant Wallabies no match for the in-form All Blacks.
Jones believes changes need to be implemented soon to give the team time to gel in preparation for France.
"I would not rule George out straight away, but there has to be another option," he said.
"Josh Holmes is certainly an option and I think the other one they should definitely look at is Matt Giteau - he is an outstanding halfback."
The new Reds mentor believes it is crucial for the Wallabies to get the halves combination perfect if they are to get themselves out of their current rut.
"What you have got to do out of that nine and 10 position now is get a good vibrant 80 minutes out of it, and that has got to be the key to selection."