Y Combinator
Y Combinator

Y Combinator Winter 2027 Batch

Agnostic
Investment

$500K

Deadline
Nov 2, 2026
Applications
Closed
Location
San Francisco
Duration
January to March (3 months)

Applications are closed

The application window closed Nov 2, 2026. This page stays here for the record.

About this program

Y Combinator Winter 2027 is YC's current batch. It runs from January to March 2027, in person at YC's campus in San Francisco. It starts with a 3-day in-person kick-off and has regular meetups in San Francisco. The deadline to apply on time is November 2 at 8pm PT, and on-time applicants get a decision by December 11. YC still considers applications after the deadline, but cannot promise exactly when it will reply.

Investment

  • $500,000 in every company YC accepts
  • $125,000 on a post-money SAFE for 7% of the company
  • $375,000 on an uncapped SAFE with a Most Favored Nation (MFN) provision
  • YC commits to its standard deal the day a company is accepted

Program Structure

  • Apply online at apply.ycombinator.com
  • In-person batch at YC's campus in San Francisco
  • 3-day in-person kick-off and regular San Francisco meetups

Dates & Duration

  • Program duration: January to March 2027 (3 months)
  • On-time deadline: November 2 at 8pm PT
  • Decision for on-time applicants: by December 11

Eligibility and Benefits

Founders from around the world may apply. YC supports accepted companies with founder resources and its network; its standard deal is not conditional on reaching milestones. Incorporation requirements apply to investment, and YC describes support for accepted companies that need to establish an eligible parent entity.

Program questionnaire

31 questions

What Y Combinator asks on its own application. Nothing is answered here, prepare these, then apply on their site.

  1. 1

    Who writes code, or does other technical work on your product? Was any of it done by a non-founder? Please explain.

    Long answer
  2. 2

    Are you looking for a cofounder?

    Long answer
  3. 3

    Please record a one minute video introducing the founder(s).

    File upload

    Read more about the video on YC's site. Make sure the file does not exceed 100 MB.

  4. 4

    Company name

  5. 5

    Describe what your company does in 50 characters or less.

  6. 6

    Company URL, if any

    Link
  7. 7

    If you have a demo, attach it below.

    File upload

    Anything that shows us how the product works. Please limit to 3 minutes / 100 MB.

  8. 8

    Please provide a link to the product, if any.

    Link
  9. 9

    If login credentials are required for the link above, enter them here.

  10. 10

    What is your company going to make? Please describe your product and what it does or will do.

    Long answer