Prime Meridian: Free Tax Filing
Stop paying hundreds of dollars to file your taxes.
Federal and state returns included. Every deduction you qualify for. No upsells, no "premium" tier.
Backed by Former IRS Commissioner Daniel Werfel.
"Americans should have access to a free, easy-to-use platform that guides them through filing their taxes with clarity and confidence."
— Daniel Werfel
IRS Commissioner, 2023–2025
The world's best AI for your taxes.
We'll look for every deduction you qualify for and e-file to the IRS + state for free.
GPT-5.6 Sol
62.75% accuracy
World's best tax AI
100% accuracy
Claude Fable 5
36.00% accuracy
Built for simple and complicated tax situations
Our AI is tested across a broad variety of returns
Military personnel
W-2Multi-state
- Active-duty pay across several states
- Basic Allowance for Housing exclusion
- Combat-zone and military-pay exclusions
Travel nurses
W-2Multiple 1099s
- Contract wages in three or four states
- Travel, lodging and meal deductions
- Credits for income taxed twice
Graduate Students
1098-TPart-time W-2
- Part-time jobs and paid internships
- Tuition, books and 1098-T forms
- Education credits and refundable refunds
Immigrants
1040-NRForeign tax credit
- Foreign tax credit (FTC) claims
- Treaty income and 1040-NR filings
- US and home-country income, reported once
Backed by the best investors, co-founders and board members of
