SAFE vs. Convertible note vs. Priced Equity Round
Raising your startup's first money? For almost every early-stage startup, the answer is the SAFE — it's the modern default. Here's how the SAFE compares to convertible promissory notes and priced equity rounds, with a decision framework and the traps founders fall into. This page assumes the post-money SAFE (the YC standard) throughout.
SAFE vs. Convertible Note vs. Priced Round
All three of these options raise capital for your company. They differ in impact, cost, speed, and flexibility. Tap a tool to see the differences.
| SAFE | Convertible Note | Priced Round | |
|---|---|---|---|
| Instrument | Convertible security | ||
| Interest | None | ||
| Maturity Date | None | ||
| Sets a price per share now? | No — valuation cap or discount | ||
| Legal Cost | Lowest — one document | ||
| Speed | Fastest | ||
| Ownership clarity | Precise once SAFE is issued (post-money) | ||
| Seniority in a liquidation / dissolution scenario | Junior to debt and on par with preferred stock | ||
| Additional investor rights | Separate from SAFE (if any) | ||
| Typical use today | Default for early fundraises |
When each one wins
SAFE
Most early raises
Pre-seed and seed rounds, friends and family investments, angel checks and accelerator funding. The fastest, cheapest, and most widely-used option.
Convertible Note
Bridge loans and other specific use cases
An investor who specifically wants debt, with interest and a maturity date, for later stage companies that need a bridge loan, or for cases when a startup has already issued convertible promissory notes. Increasingly rare for new raises.
Priced Round
When you issue preferred stock
When a lead investor sets a firm valuation with you and wants equity with full terms (rights, privileges and preferences) plus often a board seat and other contractual rights. Typical for Series A and beyond.
Traps founders miss
Stacking a note under or over your SAFEs
A convertible promissory note is debt and debt is senior to equity (including convertible equity, like the SAFE). Debt is repaid before any equity if the company is sold or wound down. Issue a SAFE before or after a note, and your SAFE investors automatically sit behind it in line. Keep your early money raised on one instrument.
Losing track of total ownership sold
Post-money valuation caps are additive. Ownership sold equals investment divided by valuation cap, and SAFEs sum. Five $100k SAFEs at a $5M cap is 10% sold, not 2%. Track the running total before signing the next one.
MFN SAFEs inherit later terms
An MFN (uncapped) SAFE automatically takes the best terms of any SAFE you issue afterward. Sign an MFN SAFE, then sign a low-cap SAFE later, and the MFN investor gets that low cap too. Sequence matters.
Mixing pre-money and post-money SAFEs
Pre-money and post-money SAFEs dilute founder ownership differently. The YC valuation cap SAFE is post-money, where ownership can be calculated immediately. Pre-money SAFEs are legacy and not recommended.
A note on taxes (QSBS)
The post-money SAFE is written to be treated as equity, which matters for benefits like Qualified Small Business Stock (QSBS). You should consult with your tax advisor if the tax characterization of the SAFE is material to your usage of it.
Try the SAFE calculator
Run your own numbers in the SAFE calculator.
Try the SAFE CalculatorThe SAFE is the simplest place to start.
Generate, sign, and send the official YC SAFE in about two minutes.