Employer plan vs. Marketplace plan: which gives you better value?

Most people asking this question are staring at two numbers: the amount that comes out of their paycheck for the plan at work, and the sticker price they saw on HealthCare.gov. The trap is that those two numbers aren't comparable. The paycheck number already has your employer's money and a tax break baked in; the Marketplace sticker doesn't yet have your subsidy taken off — and whether you even get that subsidy hinges on the job offer you might be trying to escape. Before you compare prices, you have to know which set of rules applies to you. If you want a head start, our employer-vs-Marketplace guide walks the same decision with a worksheet; this post explains the why underneath it.

So let's take it apart slowly: how each kind of plan really costs out, the single rule that decides whether the Marketplace is even on the table for you, the family-glitch fix that can still help your spouse and kids, what happens when the job ends, and — honestly — when each side wins.

How an employer plan actually works

When your employer "offers insurance," three things are happening at once, and only one of them shows up on your pay stub.

First, your employer pays a chunk of the premium. For self-only coverage that's commonly more than two-thirds of the total cost; for family coverage the employer share is usually smaller but still real. That contribution is money you never see and never compare against the Marketplace, because it's not on the sticker — it's just gone into the plan on your behalf. It's also the single biggest reason employer coverage tends to win on value: it's a discount nobody else is offering you.

Second, your share usually comes out pre-tax. Most employer plans run premiums through a Section 125 "cafeteria" arrangement, which means your portion is deducted before income and payroll taxes are calculated. If your slice of the premium is $200 a month and you're in a 22% federal bracket, the real cost to you is closer to $156 once you count the tax you didn't pay. A Marketplace premium, by contrast, is paid with after-tax dollars unless you're self-employed. So the employer number is quietly smaller than it looks.

Third — and this is the part people miss — having an affordable offer turns off your Marketplace subsidy. Not reduces it. Turns it off. We'll get to exactly how that test works in a moment, but hold onto the shape of it: the employer plan isn't just cheaper because of the contribution and the tax break. It's cheaper because the alternative quietly got more expensive the day your job made you an affordable offer.

How a Marketplace plan actually works

A Marketplace plan flips every one of those facts.

You pay the full premium — there's no employer kicking in two-thirds. You generally pay it with after-tax dollars. And the thing that's supposed to make all of that bearable is the premium tax credit, a subsidy that caps what you pay for a benchmark plan at a set percentage of your income and sends the rest straight to the insurer.

When the subsidy is there, it's powerful. For a lower-income household it can knock the premium down to a few dollars, sometimes to zero, on a Silver plan that also carries cost-sharing reductions — lower deductibles and copays bolted on for people under 250% of the federal poverty level. That's a genuinely good deal, often better than a mediocre employer plan.

But the subsidy is the whole ballgame. Without it, you're paying the full, unsubsidized premium with after-tax money and no employer help — which is almost always the worst of the three positions to be in. So the real question isn't "employer plan or Marketplace plan." It's "do I qualify for the subsidy or not," and that comes down to one test.

The rule that decides it: the affordability test

Here's the rule that quietly settles most of these decisions.

If your employer offers you coverage that is both "affordable" and meets a minimum-value standard (it pays at least 60% of covered costs and includes real hospital and doctor benefits), then you cannot get a premium tax credit on a Marketplace plan. Full stop. Even if you think the Marketplace plan is better. Even if you turn the employer plan down and never enroll. The offer alone is enough to disqualify you.

"Affordable" has a specific meaning. The IRS looks at your share of the premium for the cheapest self-only plan your employer offers that meets minimum value — just the employee-only cost, not the family price — and asks whether that annual amount is less than a set percentage of your household income. If it is, the offer is affordable and the subsidy door closes.

That percentage is the number everyone wants pinned down, and it's the one thing you shouldn't memorize: the IRS resets it every year. It's indexed and published in an annual revenue procedure, and it has historically hovered a little under 10% of household income, but it moves — some years up, some years down. So the honest instruction is: get the exact self-only premium from your employer, get the current year's percentage from the IRS figure, and do the comparison with this year's number, not last year's.

If the offer is not affordable — your self-only share costs more than the percentage allows — or it doesn't meet minimum value, then you're free: you can shop the Marketplace and claim the subsidy if your income qualifies. That's the fork in the road.

The family-glitch fix — relief for spouses and kids

For years, that affordability test had a cruel flaw, and it had a name: the family glitch.

The old rule judged a whole family's subsidy eligibility on the cost of the employee's self-only coverage. So picture a worker whose own coverage costs them $120 a month — clearly affordable — but whose employer charges $1,300 a month to add a spouse and two kids. Under the old reading, because the employee's self-only coverage was affordable, the entire family was treated as having an affordable offer. The spouse and children were locked out of Marketplace subsidies, even though actually covering them at work cost a fortune. Roughly five million people sat in that gap.

That's fixed. Starting with plan years beginning in 2023, the IRS finalized a rule that judges a family member's affordability on the cost to cover the family, not the employee's self-only premium. The logic finally matches reality: if the family coverage offered at work costs more than the affordability percentage of your household income, your spouse and kids can qualify for a premium tax credit on the Marketplace — even while the worker's own self-only coverage is still "affordable" and the worker stays on the job plan.

This creates a setup that surprises people but is completely legitimate and increasingly common: the employee on the employer plan, the rest of the family on a subsidized Marketplace plan. Two policies, one household, because each was judged against the cost that actually applies to them. If you have a family and adding them at work looks brutal, this is the first thing to check — run the family numbers, not only your own. A quick pass through the subsidy estimator with your family's income will tell you whether the spouse and kids land in subsidy range.

One important limit: the fix helps the family members, not the employee. The worker's own subsidy eligibility is still tested against their cheap self-only cost, so the employee usually still can't get a credit. It's the spouse and children the fix sets free.

When the job ends: the COBRA bridge

Lose or leave the job and the employer contribution vanishes, but the plan doesn't have to. COBRA lets you keep your exact employer coverage — same plan, same network, same deductible progress — for a stretch after employment ends.

The catch is the price. With COBRA you pay the full premium plus up to a 2% administrative fee — up to 102% of the total cost. All of it. The two-thirds your employer used to cover is now yours. People who never knew their plan's real price are routinely stunned when the COBRA notice quotes $700, $1,500, sometimes more a month for what used to feel like a $200 paycheck deduction. Same plan, same care — the discount just disappeared.

That's why, for most people, losing job-based coverage is the moment the Marketplace finally wins. Losing coverage is a qualifying life event that opens a 60-day Special Enrollment Period — and critically, once the employer offer is gone, the affordability test no longer blocks you, so you may now qualify for a subsidy you couldn't touch a week earlier. A subsidized Marketplace plan frequently costs a fraction of unsubsidized COBRA.

COBRA still earns its keep in specific cases: you're mid-treatment — a pregnancy, a surgery scheduled, chemo underway — and switching plans would interrupt care or restart your deductible; or your doctors are only in the old plan's network and continuity is worth the premium. Outside of those, run both side by side before you elect anything. Our COBRA-vs-Marketplace calculator puts the real monthly numbers next to each other so you're not guessing.

Side by side

Here's the whole comparison in one view. The right-hand column is what actually drives the value difference, not the sticker price.

A couple of worked examples

Numbers make this concrete. (These are illustrations to show the mechanics — your real figures come from your employer and your state's Marketplace.)

Maria, single, affordable offer at work. Her employer's self-only plan costs her $110 a month, pre-tax, with the company covering the rest. On the Marketplace, the comparable plan's full premium is $480 — but because her $110 self-only offer is affordable, she gets no subsidy, so she'd pay the whole $480. The employer plan isn't a little cheaper; it's a different universe. She takes the job plan. Easy.

The Okonkwo family — the glitch fix in action. James has an affordable self-only offer: $95 a month for himself. But adding his wife and two kids at work would run $1,450 a month, far more than the affordability percentage of their household income allows for family coverage. Under the post-2023 rule, his family flunks the family-affordability test even though his own coverage passes. So James stays on his $95 employer plan, and his wife and kids enroll in a subsidized Marketplace plan — their premium tax credit brings the family's portion down to a few hundred dollars instead of $1,450. Two plans, one household, hundreds of dollars saved a month, entirely by the book.

Dev, laid off mid-year. His old plan was great and COBRA would let him keep it — for $1,620 a month at 102% of the full premium. But losing the job ended his employer offer, so the affordability test no longer blocks him. With his now-lower income, a subsidized Silver Marketplace plan runs him about $240 a month. Unless he were mid-treatment, the Marketplace is the clear call, and he has a 60-day window from his coverage-loss date to make the switch.

The honest bottom line — when each side really wins

We don't sell plans, so here's the unvarnished version.

With a real employer contribution and an affordable offer, the employer plan usually wins — and it isn't close. You're getting your employer's money, a pre-tax break, and the Marketplace subsidy is off the table anyway because the offer is affordable. Turning that down to pay full freight on the Marketplace is, for most single employees, simply paying more for the same care. If your job's offer is decent, take it.

With no affordable offer, no offer at all, or a low income, the subsidized Marketplace usually wins. No employer money is being left on the table, the subsidy is real, and for lower incomes a Silver plan with cost-sharing reductions can beat a so-so employer plan on both premium and out-of-pocket costs. If your income is below your state's Medicaid line, Medicaid beats both — don't buy a Marketplace plan you could get covered for free.

And the family is its own question. The most common money left on the table in 2026 is a family paying a brutal "add the dependents" price at work without checking whether the glitch fix sends the spouse and kids to a subsidized Marketplace plan. The employee can win on the job plan while the family wins on the Marketplace — run both.

If you want to see your own numbers rather than someone else's example, start with the marketplace-vs-employer comparison for the framing, then run the subsidy estimator with your household income to find out whether you — or at least your family — land in subsidy range. And if a job just ended, weigh COBRA against a fresh Marketplace plan before the 60-day clock runs out.

A closing note on certainty: subsidy rules are policy, and policy moves. Under current law as of June 2026, the enhanced premium tax credits have expired and the 400% income cliff is back, which makes the "do I qualify for a subsidy" question sharper than it was a couple of years ago — Congress could change this again. Any estimate here is just that; the binding numbers come from your employer's benefits office and your state's Marketplace at enrollment.