The Tuesday strikes also killed 11 rebel fighters and wounded 16 civilians, a local official loyal to the Saudi-backed government told AFP.
The official, who asked not to be identified, said the strikes were intended as air support for a local revolt against the Houthi rebels in the village of Al-Haima, northeast of Taez, but the warplanes hit the wrong target.
Saudi-led air strikes kill 136 civilians in Yemen: UN
Taez is held by forces loyal to the Saudi-backed government but much of the surrounding countryside is in the hands of the rebels and it has been a key battleground in the country's devastating civil war.
To the west, on the Red Sea coast, Saudi-led air strikes killed 22 Houthis south of the key rebel-held port of Hodeida, military and medical sources said.
The strikes targeted reinforcements sent by the Houthis from the rebel-held capital Sanaa, the sources said.
Saudi-led strike on Yemen TV station kills four
Among the dead was Yasser al-Ahmar, a tribal chief, they added.
The Saudi-led coalition launched its intervention in support of the internationally recognised government in March 2015.
But despite its superior firepower, the rebels still control the capital and much of the north.
Saudi-led coalition intensifies Yemen air strikes after Saleh's death
The coalition has intensified its campaign since the rebels launched missiles at Riyadh on November 4 and December 19.
On Monday, 53 rebels and 12 government troops were killed in clashes and air strikes south of Hodeida.
More than 8,750 people have been killed since the coalition's intervention began, according to World Health Organization figures.
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