The latest fighting came as a suicide car bomb in a Hezbollah stronghold across the border in Lebanon killed four people yesterday, stoking fears of further regional spillover of the conflict.
Helicopters hit rebel-held areas of Aleppo yesterday with barrels packed with explosives, a controversial tactic widely condemned by rights groups as indiscriminate.
"At least 85 people were killed, including 65 civilians, 10 of whom were children," the Syrian Observatory for Human Rights said.
Aleppo has been divided between regime and rebel-held areas since opposition fighters launched a massive offensive in the city in mid-2012.
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Fierce fighting between the two sides has left swathes of the historic city in ruins.
The Observatory said 10 of those killed yesterday were jihadists from the Syrian Al-Qaeda affiliate, Al-Nusra Front, who were in their headquarters when it was hit. Another 10 bodies could not be identified.
In December, government warplanes launched a sustained blitz on the city that killed hundreds of people, the Observatory said, most of them civilians.
State news agency SANA cited Freij as saying he was offering thanks for the army's "great victories and their liberation of many areas in Aleppo."
The latest aerial assault came the day after Syrian government and opposition delegations wrapped up peace talks in Geneva.
The 10 days of talks yielded no tangible results and the government team said it was unsure whether it would return to the negotiating table.
The Observatory said yesterday the overall death toll from Syria's civil war had topped 136,000, with January one of the bloodiest months since the conflict erupted in March 2011.
The Britain-based monitor said the toll at the end of January was at least 136,227.