SAVE is ending — compare your actual numbers on every plan still open to you. RAP vs IBR vs the new Tiered Standard: exact monthly payment math (RAP AGI brackets + $50/dependent credit, IBR 2026 poverty-line discretionary income, tiered amortization), forgiveness horizons, PSLF eligibility, and which of the three fits your 90-day switch window. Deterministic, citation-pinned, no LLM.