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Y Combinator

$125k for 7% plus $375k uncapped MFN SAFE · Global / San Francisco · Needs confirmation

Y Combinator is the world's most influential startup accelerator: a 3-month, in-person San Francisco program run four times a year, investing $500k in every company ($125k for 7% plus $375k on an uncapped MFN SAFE). Its value is concentrated in the alumni network, the demo-day fundraising ramp, and the brand signal — at the cost of 7% equity and relocation.

Tier 1 · ranked #1tier-1equity

Official siteOpen in the live directory

Current application context

Program intake

Needs confirmation

The source mentions application timing, but the current cycle or year is not clear enough to publish.

Checked Aug 21, 2026Authoritative source ↗

Key facts

Check size$500k
Terms$125k for 7% plus $375k uncapped MFN SAFE
Stagepre-seed / seed
ApplicationsNeeds confirmation
Program datesFall 2026 October-December; late applications accepted; Demo Day 2026-12-02
LocationGlobal / San Francisco
Remote friendlyNo
Warm intro neededNo — open application
Sectorsgeneralist
Statusunknown

Always confirm on the official page before applying — dates and terms change.

Background

Founded 2005 by Paul Graham, Jessica Livingston, Trevor Blackwell and Robert Morris in Cambridge, MA; moved to the Bay Area and became the template every other accelerator copies. Scaled through the 2010s under Sam Altman, expanded to ~4 batches/year under Garry Tan (president/CEO since 2023), and has re-centered on in-person San Francisco cohorts with a heavy AI concentration in recent batches.

How the application really works

Short written application + 1-minute founder video, then a single ~10-minute partner interview conducted rapid-fire, with decisions the same day. Batches have hard application deadlines with a late window; off-cycle applications are read but disadvantaged. They screen for formidable, fast-moving founders with clear thinking about users over polish of idea.

Tips

Watch out for

Track record

Commonly reported at 1–2% of applications; YC has publicly referenced sub-2% rates (secondary sources; YC does not publish exact figures per batch).

Frequently asked questions

Is this program currently accepting applications?
Short written application + 1-minute founder video, then a single ~10-minute partner interview conducted rapid-fire, with decisions the same day. Batches have hard application deadlines with a late window; off-cycle applications are read but disadvantaged. They screen for formidable, fast-moving founders with clear thinking about users over polish of idea.
What are the current economics?
$125k for 7% (post-money SAFE) + $375k uncapped SAFE with MFN. Pro-rata rights in later rounds. No program fees.
How large and long is the program?
~4 batches/year, roughly 200–250 companies per batch in recent years; ~5,000 alumni companies. 3 months, in-person SF. Weekly group-partner office hours, batch dinners with guest founders, alumni talks; culminates in Demo Day to a curated investor audience.
Can founders participate remotely?
Treat as in-person unless the operator confirms otherwise.
What happens after the program?
Lifetime access to Bookface (alumni network/forum), YC deals worth ~$500k+ in credits, follow-on support and later-stage programs.

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Sources