Name a few that you think are bigger and by what metric you think so.
I doubt any program has lost the $1 to $1.5 billion that Cybertruck is reasonably estimated to have lost. And that’s including their quarter where SpaceX bought like 20% of their production for definitely-totally-legitimate-reasons.
Following a loss of over $250 million (equivalent to $2.72 billion in 2025 dollars) on development, manufacturing, and marketing on the model line, Ford quietly discontinued the Edsel brand in November 1959, shortly after the 1960 model line was introduced
https://en.wikipedia.org/wiki/Edsel