PAYE Ends in 2028: IBR vs Standard vs 1.94% Refinance on a $78K Loan at $64K Income

You're on PAYE. You owe $78,000, you earn $64,000, and you just learned your plan ends by July 1, 2028. A rate roundup says a lender will refinance you at 1.94%. The Department of Education extended an auto pay discount. Your tax software keeps mentioning a $2,500 deduction. Which of these moves saves money, and which one quietly costs you $50,000?

That last number isn't hype. In the model below, two borrowers with the same balance and the same income end up $52,500 apart in total cost because of one detail most people never check. Let's model it.

Every dollar figure in this post comes from a worked example I built, with the assumptions stated. It is not a forecast. Your balance, rate, income, employer, and loan origination dates will change the answer, and that's the point of the post.

What changed this month (and why it's a math problem)

Five developments from The College Investor landed within days of each other:

PAYE is sunsetting. According to "Pay As You Earn (PAYE): How It Works And What Happens When It Ends In 2028," PAYE caps payments at 10% of discretionary income and forgives the balance after 20 years, but the plan ends by July 1, 2028. The article covers who still qualifies and whether to move to IBR or RAP.
Refinance rates are advertised as low as 1.94%. "Best Student Loan Rates for September 29, 2026: Ascent Leads at 1.94%" ranks lenders by APR.
The auto pay discount got more time. "Education Department Extends 1% Student Loan Auto Pay Discount Deadline To December 31" reports a new deadline of December 31, 2026, with nearly 2 million borrowers enrolled.
The interest deduction is still capped at $2,500. "Student Loan Interest Deduction: 2026 Income Limits, Who Qualifies, And How To Claim It" explains the deduction and its income limits.
Defaulted borrowers have a new front door. "Education Department And Treasury Launch Online Portal For Student Loan Borrowers In Default" describes the Defaulted Loans Support Center on StudentAid.gov, where borrowers can apply online to rehabilitate or consolidate.

Two terms first, since servicers rarely explain them. AGI (adjusted gross income) is the income figure on your tax return, roughly your pay minus pre-tax items like traditional 401(k) contributions. Discretionary income is your AGI minus 150% of the federal poverty guideline for your household size. The plans take a percentage of that number, not of your paycheck.

The example: $78,000 at $64,000 income

Here are the assumptions:

Balance: $78,000 in federal loans at a blended 6.5% rate
Income: $64,000 AGI, single, no dependents, flat for the whole period (the simplest case; see the caveats below)
Poverty guideline: I rounded it to $16,000, so 150% is $24,000 and discretionary income is $40,000
IBR (newer loans) and PAYE: 10% of discretionary income, forgiveness at 20 years
IBR (older loans, from before July 1, 2014): 15% of discretionary income, forgiveness at 25 years
Tax on forgiven balances: 22% of the forgiven amount, as an assumption. A large forgiven balance lands on top of that year's income and can push you into higher brackets.
Refinance: 10-year fixed term at either 1.94% (the best-case headline) or 5.5% (a more conservative offer)

The IDR payments are $40,000 × 10% = $4,000 a year, or $333 a month. At 15%, they're $6,000 a year, or $500 a month.

Here is what each path costs in total:

Path	Monthly payment	Timeline	Total paid	Balance forgiven (tax at 22%)	All-in cost
Standard 10-year at 6.5%	$886	10 years	$106,300	$0	$106,300
PAYE or IBR (newer loans), 10%	$333	20 years	$80,000	$99,400 (tax about $21,900)	$101,900
IBR (older loans), 15%	$500	25 years	$150,000	$20,000 (tax about $4,400)	$154,400
Refinance 5.5% fixed, 10 years	$847	10 years	$101,600	$0	$101,600
Refinance 1.94% fixed, 10 years	$716	10 years	$85,900	$0	$85,900
PAYE or IBR 10% with PSLF (qualifying employer)	$333	10 years	$40,000	Remaining balance, federally tax-free	$40,000

This is the kind of side-by-side Talovex runs for you, so you don't have to build the spreadsheet yourself.

Takeaway 1: The lowest monthly payment isn't the lowest cost

Look at rows one and two. The 10% plan cuts your monthly bill from $886 to $333, which is $553 a month of breathing room. But the all-in cost is only about $4,400 lower than standard repayment once you count the tax on forgiveness.

Here's why. At 6.5%, your loan accrues about $422.50 a month in interest. Your IDR payment is $333. So you're paying $333 and the amount you owe is still going up by roughly $89 a month. That's the answer to "Why does my balance keep going UP when I'm making payments?" Over 240 months, that unpaid interest adds about $21,400, which is why the forgiven amount ($99,400) is larger than the $78,000 you borrowed.

Forgiveness arrives in one lump at year 20, and so does the tax bill. That timing cuts both ways. The IDR path spreads small payments over 20 years, so in today's dollars it looks better than the raw totals suggest. It also leaves you with a five-figure tax bill at a point when you may not have the cash.

If IDR forgiveness isn't your goal, the plan works as insurance, not a discount. That's worth something if your income is unstable, and it isn't a bargain.

Takeaway 2: The PAYE-to-IBR switch is where people get hurt

Row three is the trap. Same person, same $78,000, same $64,000 income, but the loans date from before July 1, 2014. IBR for those loans takes 15% instead of 10% and runs 25 years instead of 20.

The payment rises from $333 to $500. Because $500 exceeds the $422.50 monthly interest, the balance actually shrinks. Even so, after 300 payments about $20,000 is left to forgive. You'd have paid $150,000 in total. That's about $52,500 more than the same borrower on the 10% track.

If you're on PAYE today and the July 1, 2028 end date forces a move, find out which IBR you'd land in before you pick a replacement. Two caveats:

Qualifying months you've already banked generally carry over between IDR plans, so someone eight years into PAYE isn't starting from zero. My example is a borrower at month one, which makes the gap look bigger than it would be for you.
Ask your servicer whether any unpaid interest capitalizes when you change plans. Plan switches are one of the moments when it can, and a capitalization event moves accrued interest into your principal.

I walk through the forgiveness-clock difference in detail in IBR vs PAYE on a $95K loan: does the 20-year vs 25-year clock cost you $30,000?. For the RAP comparison, see IBR vs PAYE vs RAP on an $85K loan at $58K income. I'm not modeling RAP here because its formula works differently and deserves its own table.

Takeaway 3: A 1.94% refinance is the best case, not the typical one

On paper, the 1.94% row wins among the non-PSLF paths. On a 10-year term you'd pay $716 a month and $85,900 in total, about $16,000 less than the 10% IDR path and $20,400 less than standard repayment.

Three things keep that from being a recommendation:

It's the lowest APR in the roundup. Headline rates like this typically go to borrowers with the strongest credit profiles, so your quote may be much higher. That's why the table also shows 5.5%. At 5.5% the refinance saves only about $4,700 versus standard repayment, and it costs roughly the same as the 10% IDR path.
The payment is fixed at $716. Your IDR payment is $333 and moves with your income. If you lose a job or have a baby, the refinanced loan doesn't flex.
Refinancing federal loans into a private loan is a one-way door. You give up IDR, forgiveness, and PSLF for good.

I run the refinance-versus-IDR comparison at other balances in Refinance at 1.94% vs PAYE vs IBR on an $80K loan. You can also model your own rate offers and your own balance at Talovex before you submit a single application.

Takeaway 4: If your employer qualifies for PSLF, the whole table changes

The last row is why "what's your employer?" is the first question in any repayment analysis. If you work for a qualifying government or nonprofit employer and make 120 qualifying payments on an IDR plan, the remaining balance is forgiven federally tax-free.

At $333 a month, that's $40,000 out of pocket. The row-one borrower paying standard pays $66,300 more.

Under PSLF, extra payments and lower interest rates stop being useful. You're trying to pay the lowest qualifying amount for exactly 120 months. Anything above that is money you're donating to the servicer. I break down that logic in PSLF on $92K in nonprofit loans: why the lowest IBR payment beats extra payments.

The auto pay discount: worth it, but not on every path

The College Investor reports a 1% auto pay discount with a December 31, 2026 deadline and nearly 2 million borrowers enrolled. The article doesn't spell out every detail of how it applies by loan type and plan, so check StudentAid.gov for yours. For the math, I'm modeling it as a full one-percentage-point cut in your rate, which is how the headline reads. If your servicer applies it differently, scale the savings down proportionally.

Here is what that assumption does on the $78,000 loan:

On standard repayment: your rate drops from 6.5% to 5.5%. Total paid falls from $106,300 to $101,600, a saving of about $4,700 with no loss of federal protections.
On IDR with forgiveness (10% plan): your payment doesn't change, because it's set by income, not by rate. A lower rate only reduces the interest that piles up and is later forgiven. Monthly interest drops from $422.50 to $357.50, the forgiven balance falls from $99,400 to about $83,800, and the tax bill falls by about $3,400. That's real money, but it arrives at year 20.
On PSLF: the saving is $0. You pay the same $333 either way, and the balance is forgiven regardless.

So on standard repayment, the discount is nearly free money. On PSLF, don't bother optimizing for it, though there's no harm in enrolling if the deadline is easy to meet. The deadline is also worth a calendar reminder so you don't lose it by accident.

The $2,500 interest deduction is a cushion, not a strategy

According to The College Investor's interest deduction guide, you can reduce your taxable income by up to $2,500 of student loan interest you paid. There are income limits, and at $64,000 a single filer is comfortably below where the phase-out typically begins. Confirm the 2026 thresholds in the article before you count on it.

In the example, year-one interest on the standard plan is about $4,800, so you hit the $2,500 cap. On the 10% IDR plan, all $4,000 of your annual payments go to interest first, so you hit the cap again. At an assumed 22% bracket, the deduction saves about $550 a year on either path.

On the 1.94% refinance, year-one interest is only about $1,440, so the deduction shrinks to around $1,440 and saves about $320. That's a good illustration of why the deduction is never a reason to keep a higher rate. You don't come out ahead by paying $1,000 more in interest to deduct $1,000 and save $220.

If you're in default, the order of operations changes

Everything above assumes your loans are in good standing. The new Defaulted Loans Support Center on StudentAid.gov lets you apply online to rehabilitate or consolidate defaulted loans, per The College Investor. The math question is what you land in on the other side. Rehabilitation and consolidation don't leave you in the same place, and the plan you can enter afterward determines whether you're in row two or row three of the table.

Before you click, pull up your loan types and origination dates. If you have older FFEL, Perkins, or PLUS loans, consolidation may be the only route to some plans. Consolidation can also affect your qualifying-payment count, so don't assume it's neutral. I cover those trade-offs in consolidating a $76K Stafford, Perkins, and Parent PLUS portfolio in 2026.

Which of your variables flips the answer

Your situation	What it does to the math	Where the answer tilts
Qualifying PSLF employer	Forgiveness is tax-free after 120 payments	Lowest IDR payment. Don't refinance.
Loans from before July 1, 2014	IBR may be 15% and 25 years, not 10% and 20	Price the PAYE-to-IBR switch before it's forced
Private sector, steady raises	Payments rise, the forgiven balance shrinks	Standard repayment or a refinance competes well
Private sector, unstable income	A fixed refi payment is a risk	IDR as insurance, accepting the tax bomb
Strong credit, no PSLF, stable job	The refi may beat IDR on total cost	Get real quotes, not headline rates
Balance well below one year of income (rule of thumb)	Forgiveness is unlikely	Standard vs refinance is the only race
In default	The exit route sets the plan you can enter	Rehabilitate or consolidate first, then optimize

What this example leaves out

A few honest limits on the table:

Flat income is a simplification. If your income rises 3% a year, your IDR payments rise too, the forgiven balance shrinks, and the all-in IDR cost shifts. Raises are a good problem to have, but they change which row wins.
I used a flat 22% tax rate. Your actual tax on a forgiven balance depends on your other income that year, your state, and whether you can plan around it.
The poverty guideline changes every year, and so does your family size. Both move your discretionary income.
Time value of money. Dollars paid in year 20 are worth less than dollars paid today. The raw totals above favor the standard and refi rows more than a present-value comparison would.

Because of those gaps, treat the $52,500 gap and the $16,000 gap as direction and order of magnitude. Your own numbers will differ.

Run your loans before your next recertification

The pattern across every section is the same. The right move depends on four inputs: your balance and rate, your income trajectory, your employer type, and your loan origination dates. Change any one and a different row wins. That's why "just pay more than the minimum" and "just refinance at 1.94%" are both bad advice in the abstract.

If PAYE is your plan today, you have until July 1, 2028, which is enough time to model your options without a deadline panic. Put your balance, rate, income, and employer type into Talovex and compare the paths side by side, including the tax bomb and the one-way doors, before you pick your next plan.

Sources

Education Department And Treasury Launch Online Portal For Student Loan Borrowers In Default — The College Investor
Pay As You Earn (PAYE): How It Works And What Happens When It Ends In 2028 — The College Investor
Best Student Loan Rates for September 29, 2026: Ascent Leads at 1.94% — The College Investor
Education Department Extends 1% Student Loan Auto Pay Discount Deadline To December 31 — The College Investor
Student Loan Interest Deduction: 2026 Income Limits, Who Qualifies, And How To Claim It — The College Investor