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>Turbo Pascal 2.0 had an IDE with compiler and debugger in a binary less than 60kb (if the info I found googling is true).

Turbo Pascal 3.0 had an IDE with compiler and debugger in a binary less than 40kb (if the info I found googling is true).

Things That Turbo Pascal is Smaller Than

And it (initially at least) cost $50 vs. a few hundred dollars for other compilers of that period, like MS Pascal.