One quote gives me a lovely compact gripper and the other gives me much longer fingers for our aluminium housing, but both justify the UR5e choice with the housing weight alone, and neither says who supports the adapter when it needs replacing.
That line matters. Who is designing your customer-supplied adapter? They need to work with the gripper supplier, not receive two unrelated drawings after the order.
And don't assume the compact one is the safer purchase just because its fingers are shorter, you still need it to place the housing without hitting that lip.
Amara, the compact proposal hasn't shown clearance past the lip; Grace, our shop was expected to design the adapter, apparently, and nobody here had agreed to own that job.