Air New Zealand has poked fun at Qantas, joking it's the Australian airline's "younger, slightly better looking cousin".
Both airlines released new safety videos this week: Qantas' 'A Century of Safety' on Thursday, then Air New Zealand's 'A Journey to Safety' on Friday.
Using Twitter, Aotearoa's national carrier congratulated its Aussie rival's "good work" - but got a friendly dig in, as well.
"Hey Qantas, it's your younger slightly better looking cousin from across the ditch. Good work on A Century of Safety - how about A Journey to Safety?" Air New Zealand said on Twitter.
At the time of publishing, Qantas has not replied.
'A Journey to Safety' is a three minute clip featuring a takahē as its main star. The video is a partnership with the Department of Conservation (DoC) and features facts about the native bird as part of a goal to highlight the biodiversity crisis.
'A Century of Safety' lasts an lengthy eight minutes and 20 seconds and features a wide range of scenes from throughout Qantas' 100 year history.
It's not the first time the national airlines of the trans-Tasman countries have taken aim at each other over social media.
In 2018, after Air New Zealand and Qantas announced a partnership with each other, the Kiwi airline joked that Australia is what you get when "you take away NZ's stunning ski fields, world-class cuisine and cool culture".
Qantas responded by mockingly saying Australia has never been left off international maps, unlike New Zealand, using the hashtag #frenemies.