Advice needed on sAFE vs convertible note comparison

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Illustrative scenario prepared by my practice.
For informational purposes only. This is not legal advice. Laws vary by jurisdiction. Consult a qualified attorney for advice specific to your situation.
Hypothetical question

I'm in a difficult situation and trying to figure out my next steps.

SAFE vs convertible note comparison. I've been dealing with this for about 4 weeks now and the situation isn't improving.

I have already done some research online but the other party is not cooperating.

Am I overthinking this or is this a real legal issue worth pursuing?

Illustrative response

Just closed our pre-seed round and spent way too much time on this exact question, so I want to give a practical breakdown for anyone else deciding between a SAFE and a convertible note.

SAFE (Simple Agreement for Future Equity):

  • No maturity date, so there is no ticking clock forcing you to raise again or pay investors back
  • No interest accrual, which keeps the math simpler
  • Standard Y Combinator template is free and widely accepted by angel investors
  • Converts to equity only when a priced round happens
  • Most common for very early-stage (pre-seed and seed) in the tech startup world

Convertible Note:

  • It is actual debt with a maturity date (typically 18-24 months) and interest rate (usually 4-8 percent)
  • If you do not raise a priced round before maturity, investors can demand repayment -- this is the big risk for founders
  • Gives investors slightly more protection, which is why some angel groups and institutional investors prefer them
  • More common outside Silicon Valley and for later-stage bridge rounds

Both instruments typically include a valuation cap and a discount rate (usually 15-25 percent). The valuation cap sets the maximum price at which the instrument converts, protecting early investors if the company valuation shoots up before the priced round.

We ultimately went with a post-money SAFE at a 6M cap with no discount. Our attorney said this is the cleanest structure for a first raise and avoids a lot of the negotiation complexity around notes. The key thing with post-money SAFEs is that dilution is much more predictable for everyone involved.

One caveat: if your investors are more traditional (family offices, non-tech angels), they might push for a note because they are more comfortable with debt instruments. In that case, do not fight it -- just make sure the maturity date is long enough (24 months minimum) and negotiate a friendly conversion clause at maturity rather than a hard repayment obligation.

Illustrative response

For anyone doing a Series LLC: be aware that not all states recognize them. If you're operating in a state that doesn't recognize the series structure, you might not get the liability protection you think you have.