vs
a16z Speedrun vs a16z START
Founders often weigh a16z Speedrun against a16z START. Here's how the two compare on money, terms, format and selectivity — and how to decide.
Side by side
| a16z Speedrun | a16z START | |
|---|---|---|
| Investment | $1M | $500K |
| Equity | — | — |
| Instrument | Equity | SAFE |
| Program length | 3 months | — |
| Location | San Francisco | San Francisco |
| Remote | No | No |
| International founders | Accepted | Accepted |
| Stages | Pre-seed, Seed | Pre-seed, Seed |
| Applications | Multiple per year | Rolling |
| Cohort size | ~50 | — |
| Acceptance rate | ~1% | ~5% |
| Questions on the form | 52 | — |
Terms change between batches — confirm on each program's official site before applying.
Key differences
- a16z Speedrun writes the bigger cheque: up to $1M, against $500K from a16z START.
- a16z START reviews applications on a rolling basis, while a16z Speedrun runs fixed application rounds.
- a16z Speedrun is more selective (about 1% accepted vs 5%).
Choose a16z Speedrun if…
a16z's accelerator. Up to $1M + $5M in credits.
Andreessen Horowitz's flagship accelerator. 12-week in-person program in SF. Access to a16z's massive operational team for GTM, brand, media, and talent. $180M+ deployed since 2023.
How to apply to a16z Speedrun →Choose a16z START if…
$500K SAFE from a16z. Pre-seed funnel.
a16z's pre-seed program. $500K on a standard SAFE with deep access to their specialized practices in AI, crypto, bio, and enterprise. For technical founders building foundational tech.
How to apply to a16z START →FAQ
Is a16z Speedrun better than a16z START?
Neither is better for everyone. a16z Speedrun writes the bigger cheque: up to $1M, against $500K from a16z START. a16z START reviews applications on a rolling basis, while a16z Speedrun runs fixed application rounds. Choose by stage, sector, location and the terms you can accept — or apply to both.
Can I apply to both a16z Speedrun and a16z START?
Yes. Applying to several programs is normal, and many founders run applications in parallel. Most of the material — one-liner, traction, team, market — carries over between forms.
Which is harder to get into, a16z Speedrun or a16z START?
Both are selective. Estimates put a16z Speedrun at about 1% and a16z START at about 5% of applicants accepted. Neither publishes exact figures.
Why choose? Draft both applications from one profile.
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