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§ Accelerator
YC S26 is Y Combinator's Summer 2026 batch (Jul–Sep, San Francisco). Apply by May 4. $500K investment, ~60% AI focus, 1.5–2% acceptance rate.
YC S26 is the Summer 2026 batch of Y Combinator's startup accelerator program, running July through September in San Francisco. Accepted companies receive the standard $500,000 investment, structured as $125,000 for a seven percent equity stake on a post-money SAFE and $375,000 on a SAFE that converts at the valuation cap of the next funding round. The on-time application deadline is May 4, 2026 at 8pm PT, with decisions by June 5. Recent batches are roughly 60 percent AI companies, and YC's 2026 Requests for Startups prioritize AI-native products, stablecoin financial services, AI for government, and industrial modernization. The program culminates in Demo Day and connects participants with a global network of investors and notable alumni including Airbnb, Stripe, DoorDash, and OpenAI. This resource is intended for early-stage founders and startup teams seeking initial capital, product-market fit guidance, and structured preparation for raising subsequent seed or Series A rounds.
Y Combinator's Summer 2026 (S26) batch runs from July through September 2026 in San Francisco. The on-time application deadline is May 4, 2026 at 8pm PT, with decisions expected by June 5, 2026. Late applications are still accepted on a rolling basis.
Accepted startups receive $500,000 in standard YC funding: $125,000 for 7% equity on a post-money SAFE, plus $375,000 on a SAFE that converts at the valuation cap of the next priced round. The 11-week program is designed for full in-person participation and ends with Demo Day, where founders pitch to a large audience of invited investors.
Roughly 60% of recent YC batches are AI companies, up from 40% in 2024. YC's 2026 Requests for Startups make the focus clear: AI-native companies where removing AI would break the product entirely.
Priority areas for S26 include:
The Winter 2026 batch, which wrapped Demo Day in late March, is widely considered the strongest in YC history. Key stats:
Notable W26 standouts include Hex Security (agentic offensive security), GrazeMate (autonomous cattle-herding drones), GRU Space (lunar infrastructure), ARC Prize Foundation (AGI benchmarks), Condor Energy (energy operating system), and Asimov (human movement data for training humanoid robots).
YC receives over 20,000 applications per batch with a 1.5–2% acceptance rate. The application includes written answers about your team, idea, market, and traction, plus a one-minute founder video.
YC S26 is Y Combinator's Summer 2026 batch (Jul–Sep, San Francisco). Apply by May 4. $500K investment, ~60% AI focus, 1.5–2% acceptance rate.
Y Combinator S26 is offered by Y Combinator.
Y Combinator S26 currently lists $500K total investment: $125K for 7% post-money SAFE + $375K uncapped MFN SAFE. Up to $500K in AWS credits, AI model credits, dedicated YC partner, weekly dinners, and lifetime access to YC alumni network. as its value.
Any early-stage startup; strong founders; product with traction preferred but not required
Y Combinator S26 is listed for San Francisco, CA.