Y Combinator: terms, dates and the 26-question check
Money invested: $500,000. Stake taken: 7% plus an uncapped MFN SAFE. Applications today: open. Everything below comes from the program’s own official pages, read on 2 November 2026.
Applications today
OpenAs read on 2 November 2026 from the official page.
Next deadline: 2 November 2026, 8pm Pacific Time.
Winter 2027 batch: apply by 2 November 2026, 8pm Pacific Time, with a decision by 11 December. Apply to YCRead on 2 November 2026
Later batches (Spring, Summer, Fall) through Early Decision, described for students: open, no deadline listed. Apply to YCRead on 2 November 2026
Terms at a glance
Only what the official site states. Each line links to the page it comes from.
In-person batch with a 3-day kick-off and weekly meetupsApply to YCRead on 2 November 2026
Place
San Francisco, at YC's campusApply to YCRead on 2 November 2026
Duration
Three months, run four times a yearWhat happens at YCRead on 2 November 2026
The 26-question grid
Y Combinator is passed through the 26 questions of the Builder Residency Due-Diligence Checklist. 6 have a public answer, 8 are partly answered and 12 are not published on the pages read. A missing answer is a question to put to the program, not a verdict.
Questions in English follow the open checklist v1.0. Answers are summaries of the linked official page, not quotations.
Operator
BRD-01
The legal or responsible operator is named.
Published
The site is operated by Y Combinator Management, LLC. The legal page gives a mailing address in Mountain View, California, for copyright notices (Attn: General Counsel).
Application status and decision dates are current.
Published
The apply page names the batch being recruited, its on-time deadline and a decision date. It also says what happens to late applications. See the box "Applications today".
Exact arrival, departure and program dates are stated.
Partly published
The batch period is given in months and a 3-day in-person kick-off opens it. Exact arrival and departure dates and time zone are not published on the pages read.
Benefits are listed on the apply page: a dedicated partner, regular meetups, introductions, credits and deals. A list of what is not included is not published on the pages read.
Insurance expectations and exclusions are explicit.
Not published
Not published on the pages read, ask the program
Safety
BRD-14
Emergency contacts and evacuation procedures exist.
Not published
Not published on the pages read, ask the program
BRD-15
Health, accessibility and accommodation needs have a private route.
Not published
Not published on the pages read, ask the program
Community
BRD-16
House rules cover guests, noise, substances and shared spaces.
Not published
Not published on the pages read, ask the program
BRD-17
Conflict, harassment and removal procedures are defined.
Not published
Not published on the pages read, ask the program
Privacy
BRD-18
Photography and public-content participation require separate agreement.
Not published
Not published on the pages read, ask the program
BRD-19
Confidential projects and intellectual property remain under participant control.
Partly published
The FAQ says YC does not tell one startup what another working on related things is doing. The confidentiality and intellectual-property terms of the YC Agreement are not published on the pages read.
Each participant controls their project and milestone.
Partly published
Acceptance comes with YC's standard investment, so it does imply an investment. The deal page says the investment is not contingent on milestones, and the FAQ says founders choose how to spend their time.
Selection criteria and conflicts of interest are described.
Partly published
The FAQ says applications are considered equally, that no introduction is needed and that a similar company already funded does not count against an applicant. The detailed selection criteria are not listed on the pages read.
Outcomes state starting point, time horizon and limitations.
Partly published
The FAQ gives starting-point figures, such as the share of funded companies that were only an idea. The time horizon and limits of outcome claims are not stated on the pages read.
Unresolved questions are listed before payment or travel.
Not published
Not published on the pages read, ask the program
Questions people ask
How much does Y Combinator invest?
$500,000 per company. Source: the official pages read on 2 November 2026.
What share of the company does Y Combinator take?
7% of the company for $125,000, plus an uncapped MFN SAFE for the other $375,000. Source: the official pages read on 2 November 2026.
Does Y Combinator charge participants a fee?
No fee charged to participating companies. Source: the official pages read on 2 November 2026.
Are applications to Y Combinator open today?
Open. Winter 2027 batch: apply by 2 November 2026, 8pm Pacific Time, with a decision by 11 December. Later batches (Spring, Summer, Fall) through Early Decision, described for students: open, no deadline listed. Source: the official pages read on 2 November 2026.
Where does Y Combinator take place and for how long?
San Francisco, at YC's campus; Three months, run four times a year. Source: the official pages read on 2 November 2026.
Official pages read
All read on 2 November 2026. Facts that are not on these pages are marked as not published.
Crucible CLUB is an independent project presented by IVRYN. It is not affiliated with Y Combinator, is not paid by it and does not endorse it. Crucible CLUB has no confirmed cohort and takes no position on which program to join.