
Antoine Griezmann hit a pair of second-half goals, including the winner from the spot, as France recovered from falling behind to a Toni Kroos penalty to inflict a sixth defeat on Germany in their past 10 matches.
The result eliminated Germany from Nations League title contention, and left them needing to beat the Netherlands in their final group match on November 19 if they are to avoid relegation from the top tier.
However, Loew insisted he was "very pleased" with the performance as Germany were much improved compared to the team that lost 3-0 against the Netherlands in Amsterdam.
"I'm disappointed with the result, although though I must say the defeat is different to Saturday's, not because of the result but because of the performance. I'm very pleased with the performance. I think we were on an even level with what is probably the best team in the world,” said Loew.
He added: "But France has a lot of individual quality, and if you're not careful you'll get punished straight away."
A first defeat to the neighbouring Dutch in 16 years prompted Loew to make five changes for the trip to Paris, as he injected additional pace into the attack with the inclusions of Leroy Sane and Serge Gnabry.
Sane ready to show Germany what they missed
The Germans deservedly led through a Kroos penalty after a sliding Presnel Kimpembe handled a Sane cross, but Loew's youthful frontline was unable to capitalise on further opportunities.
Griezmann equalised with a magnificent glancing header from a Lucas Hernandez cross on the hour, and the Atletico Madrid striker won the game for France with a penalty 10 minutes from time.
Loew was particularly unhappy with referee Milorad Mazic's decision to award France a spot-kick after Blaise Matuidi went to ground after a tangle with Mats Hummels.
That grievance aside, Loew singled out the positive contributions of Bayern Munich winger Gnabry, who made his first Germany appearance since November 2016, as well as Paris Saint-Germain defender Thilo Kehrer.
"It was a very, very good performance and something to build on for the future."
Didier Deschamps' France can clinch top spot in the group with a draw in their final game away to the Netherlands in Rotterdam next month.
"It's a good thing in terms of our aim of finishing top of the group but we were up against a very good German side today," said Deschamps.
Griezmann admitted Germany's revamped set-up had knocked France off track initially, but he said a series of "calm" exchanges at half-time allowed them to regain their rhythm.
Wilson magic inspires Wales
Wales midfielder Harry Wilson produced another brilliant free-kick following his heroics against Manchester United to seal a 1-0 Nations League victory against toothless Ireland on Tuesday.
The 21-year-old Derby player, who shocked Old Trafford from a set-piece in the League Cup last month, curled in the winner with his left foot from outside the area just before the hour mark.
The strike was out of keeping with a lifeless contest that looked to be heading for a goalless stalemate, with Wales badly missing Gareth Bale and Aaron Ramsey and Ireland struggling for inspiration after a miserable run of results.
Wales manager Ryan Giggs said he was proud of his team, praising captain Ashley Williams.
"He defended, did the hard stuff which gave us the platform to go on. Harry Wilson, I fined him for the goal at Old Trafford a few weeks ago, I won't be tonight. He does it all the time in training, it's practice, practice, practice,” the former Manchester United winger joked to Sky Sports.
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