Best Student Loan Refinance Lenders 2026: 7 Compared
Seven refinance lenders, one table, no sponsored order.
Refinance rates in September 2026 start near 3.95% fixed (Earnest) and 3.6% variable (Credible partners) for top-tier borrowers. The cheapest headline rate rarely decides the winner: Earnest suits borrowers wanting flexible payments, SoFi suits perk-seekers, Splash and Credible suit comparison shoppers, ELFI suits borrowers wanting guidance, LendKey suits credit-union pricing, and College Ave suits parents and students refinancing together. This page earns nothing from any lender listed — see how we are funded.
Not financial advice. This comparison is for information only. Lender rates change frequently — confirm live figures with each lender before applying. Read the full disclaimer.
The 7 lenders, side by side
All APR ranges below are as advertised in September 2026, including the standard 0.25% autopay discount where applicable. Starting rates go to top-tier profiles only; your offer lands somewhere inside the range. Verify before applying — ranges move with the market.
| Lender | Fixed APR | Variable APR | Min. credit score | Standout for |
|---|---|---|---|---|
| Earnest | 3.95–10.24% | 5.88–9.99% | 650 | Flexible payments; skip one payment a year |
| SoFi | 3.99–10.99% | 5.74–10.99% | Not disclosed | Member perks; no fees |
| Splash Financial | 3.99–10.24% | 4.74–10.24% | 650 | Marketplace: many lenders, one application |
| ELFI | 4.29–8.44% | 4.74–8.24% | 680 | Dedicated loan advisor; narrow ranges |
| LendKey | 3.98–9.24% | 4.19–9.24% | 680 | Community-bank pricing via credit unions |
| College Ave | 6.99–13.99% | 6.99–13.99% | Not disclosed | Parents and students together; flexible terms |
| Credible | 3.98–10.99% | 3.62–10.99% | Varies by partner | Marketplace: lowest advertised starting rates |
Ranges compiled from lender disclosures via NerdWallet, Money, CNBC Select, and WSJ Buy Side comparisons, September 2026. ELFI's narrow bands (4.29–8.44% fixed) mean less rate surprise than lenders spanning 3.99–10.99%.
How to read this table
Three columns matter more than the headline rate. First, the top of the range — that is the worst rate you could be offered, and ELFI's 8.44% ceiling beats SoFi's 10.99% for anyone unsure of qualifying for the floor. Second, the minimum credit score — below 650–680, most of these doors stay closed and a cosigner becomes the application. Third, marketplace versus direct — Splash and Credible show you several partner lenders at once, while Earnest, SoFi, ELFI, LendKey, and College Ave underwrite their own loans with their own perks.
What actually separates them
On a $35,000 balance, the difference between 3.99% and 4.45% over 10 years is roughly $900 of interest — real money, but smaller than the cost of picking the wrong structure. Earnest lets borrowers customize payments and skip one a year; SoFi bundles career and financial-planning perks with no fees; ELFI assigns a human advisor; LendKey routes through credit unions; College Ave accommodates parent borrowers. Match the feature to your situation first, then let the table break ties. Run any offer through our refinance calculator before signing.
The federal warning
Every lender above refinances federal loans into private loans — and that conversion permanently forfeits income-driven repayment, deferment, and forgiveness eligibility including PSLF. If there is any chance you need those protections, refinance only the private portion. Our student loan guide explains the federal-first rule in full.
Frequently Asked Questions
Which lender has the lowest student loan refinance rate?
Advertised starting fixed rates cluster near 3.95–4.45% (Earnest, LendKey, Credible partners) and variable near 3.6–4.7% as of September 2026. Only top-tier credit profiles qualify for starting rates; most borrowers land mid-range.
Should I use a marketplace like Splash or Credible?
Marketplaces compare multiple partner lenders with one soft credit check, which is efficient. A direct lender fits better when you want a specific feature — Earnest's payment customization, ELFI's advisor, or SoFi's perks.
Does refinancing federal loans remove protections?
Yes, permanently. Refinancing federal loans into any private loan on this page forfeits income-driven repayment, deferment, and forgiveness eligibility including PSLF.
Sources & Further Reading
- Compare student loan refinancing companies, September 2026 NerdWallet
- Student loan interest rates from top lenders, September 2026 Money
- Repaying student debt Consumer Financial Protection Bureau
Last reviewed . Lender ranges move with the market; confirm live figures before applying.
The cost of waiting, and how to price it yourself
Rates move, and the instinct is to wait for a better one. That is right some of the time and expensive the rest, so the useful question is not "will rates fall" but "what does a quarter of waiting cost me, against what a quarter of a point would save me".
A private refinance is priced on your credit profile at the moment of application, not on a rate you were quoted months ago. A missed window therefore costs twice: the balance keeps accruing at the old rate, and you re-enter the market at whatever your file looks like then. Run the numbers on your own balance before deciding, using the refinance calculator on this site, and compare the monthly saving against one additional month of interest on the existing balance. If the two are close, the decision is not close.
When refinancing privately is the wrong move
A private refinance trades a federal guarantee for a cheaper rate, and the trade is not always worth making. It can be clearly wrong in three cases.
| Situation | Why refinancing costs you |
|---|---|
| You pursue forgiveness or an income-driven plan | Refinancing to a private lender permanently ends federal eligibility, because the new loan is not a federal loan |
| You are near the end of a fixed-rate term | Origination costs are spread over fewer remaining payments, so the effective cost per year rises |
| The new rate saves less than 0.5% | After fees, the difference is frequently eaten by the closing costs of moving the debt |
The value of a federal loan is not its rate. It is the option to switch into an income-driven repayment plan, to defer during a bad year, or to stay in a forgiveness programme. Those protections are not priced into a private rate, which is why a lender advertising a lower percentage is not necessarily offering a better loan.
Key Takeaways
- Starting fixed rates cluster near 3.95–4.45%; almost nobody qualifies for the floor.
- Read the ceiling, not the floor: ELFI caps at 8.44% fixed where others reach 10.99%.
- Marketplaces (Splash, Credible) compare many lenders at once; direct lenders sell features.
- Refinancing federal loans forfeits IDR, deferment, and PSLF — permanently.
- Price every offer in the refinance calculator before signing anything.