SEP-IRA vs Solo 401(k) for Freelancers: Complete Comparison (2026)
Quick verdict first, then a clear breakdown so you can decide fast.
Quick verdict
A Solo 401(k) can allow higher contributions at lower incomes, while SEP-IRAs are often simpler to administer. The right choice depends on income and whether you have employees.
Choose SEP-IRA if:
- You want simplicity.
- Your contribution strategy fits SEP rules.
- You don’t need employee deferrals.
Choose Solo 401(k) if:
- You want to maximize contributions at moderate incomes.
- You want employee deferrals.
- You have no employees (other than spouse).
Feature comparison
| Feature | SEP-IRA | Solo 401(k) |
|---|---|---|
| Setup complexity | Low | Medium |
| Contribution flexibility | Medium | High |
| Best for | Simple retirement savings | Maximizers |
Our recommendation
If you’re unsure, start by modeling your real numbers (income, deductions, and quarterly savings). Tools often feel “better” when they make your workflow easier and your tax plan more predictable.
FAQs
Which is better for freelancers: SEP-IRA or Solo 401(k)?
A Solo 401(k) can allow higher contributions at lower incomes, while SEP-IRAs are often simpler to administer. The right choice depends on income and whether you have employees.
When should I choose SEP-IRA?
You want simplicity. Your contribution strategy fits SEP rules. You don’t need employee deferrals.
When should I choose Solo 401(k)?
You want to maximize contributions at moderate incomes. You want employee deferrals. You have no employees (other than spouse).
What’s the biggest mistake freelancers make in comparisons like this?
Optimizing for price alone instead of total value (time saved, tax savings, and long-term workflow).
What Taxorly tool should I use next?
Use our free calculators to model your actual numbers instead of guessing.