ssa.tools is now updated with the 2025 COLA and some other constants. Though these will not affect your PIA or benefit until January. This screenshot is an example of how it looks right now, which you can see if you expand the PIA section.

The latest prototype has sliders that lets the user adjust the life expectancy of both recipients in real time to get an approximate idea of how that might affect probabilities of different survival ages and thus filing strategies.

Still work in progress / not yet launched. Always love feedback!

Here's the same data, but shown as an age instead of a date:

I've been playing around with a visualization of the best Social Security filing date pair displayed over all possible ages of death. The idea being to give users a clearer picture of how the filing age decision works.