Asked by Raphael Honigstein for ESPN FC what Saturday's test meant for the club, Leno said: "That we can take on the big ones".
"The only point we picked up was here, 3-3, so we've kind of rectified that a bit in the games that we've played [so far this season]".
"We were not as compact defensively as I wanted in the first half and that gave Arsenal a chance to boss the game in the first half and we put too much onto our midfield to hold it together".
While the top sides have made impressive starts to the campaign, defender Rob Holding believes the Gunners have done a good job to keep up with them - the draw against Liverpool leaving them four points behind last season's beaten Champions League finalists. The second, maybe also we can lose in one moment and in the 90 minutes we could also have won in the balance of the 90 minutes.
Realistically, a draw for Liverpool at Arsenal should be a good result.
"We are not compact enough", Klopp said.
Three months and 14 undefeated matches on from Arsenal's back-to-back defeats to Manchester City and Chelsea at the start of the season, Emery's side showed progress and potential during a fun and frantic contest with Jurgen Klopp's visitors.
'It was clear we needed time but like you saw today, the movement and the confidence of the players is always getting better.
The Senegal forward was played in by Roberto Firmino at the Emirates Stadium but, after slotting home from close range, his celebrations were cut short by the assistant's flag. Join the Pain In The Arsenal team!
They're not in the same class as this Liverpool team.
GK Bernd Leno, 5 - A mixed bag from the goalkeeper. The Uruguayan is the defensive midfielder Wenger's teams had lacked for at least a decade, and he has brought tenacity, vision, energy and a smart football brain to Emery's Arsenal. You get every aspect you want from a centre-half with Van Dijk.
Well, it looked like Xhaka, and that was the name on the back of the shirt. And all of the above is down to one man: Emery.
"They've brought in many players to play in that position over the years to nearly make things tick".
It is still early days of the new era under Emery, with Arsenal just 16 games in, but there is an air of positivity around the Emirates again, and that is success in itself.