Y Combinator

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Y Combinator publishes practical startup guidance on product building, fundraising, founder decision-making, and scaling high-growth technology companies.

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Included for practical education on practical startup guidance on product building, fundraising, founder decision-making, and scaling high-growth technology companies.

Showing 320 digests for Y Combinator.

Founder interviews

YouTube

How Zepto built India's fastest-growing grocery startup from a WhatsApp group

Y Combinator April 18, 2025


Founder interviews 9
Customer discovery 7
Business models 6
  • Why building customer-backward beats supply-chain-backward — and profits follow
  • 10-minute delivery in India is a necessity, not a convenience gimmick
  • Surviving a capital crisis with 7x less cash than competitors built lasting efficiency

AI tools & automation

YouTube

Manus AI agent: multi-agent architecture and the wrapper debate

Y Combinator April 8, 2025


AI tools & automation 8
AI strategy & adoption 8
Competitive analysis 5
  • Manus scored 86.5% on Gaia — beating every other AI agent
  • A planner agent breaks tasks into subtasks before any execution begins
  • Wrapper viability hinges on proprietary evals and switching costs

Design thinking

YouTube

How founders can level up their design thinking and practice

Y Combinator March 28, 2025


Design thinking 9
AI tools & automation 5
  • Design is how a product looks, works, and is built — all three.
  • Taste is acquired by surrounding yourself with well-designed objects.
  • Designers map directly to desirability — the hardest startup pillar to nail.

Founder interviews

YouTube

How DoorDash survived near-death and built a new market from scratch

Y Combinator March 26, 2025


Founder interviews 10
Niche selection 7
Customer discovery 6
  • DoorDash created a market: only 20k of 1M US restaurants offered delivery
  • Suburbs beat cities — bigger baskets, easier deliveries, stronger unit economics
  • Three years of investor rejections despite superior retention and organic growth

Conflict resolution

YouTube

How top founders navigate co-founder conflict and self-abandonment

Y Combinator March 21, 2025


Conflict resolution 9
Identity & self-belief 8
  • Self-abandonment — not the other founder — is usually the real problem.
  • Your childhood 'pre-training' shapes how you fight, badly.
  • Adapting yourself to your co-founder's culture eventually burns you out.

Founder interviews

YouTube

How Gusto pivoted to payroll and built a $9.6 billion company

Y Combinator March 18, 2025


Founder interviews 10
Pivoting 7
MVP & prototyping 6
  • Obsession with the problem matters more than ease of starting
  • Winning with incumbents: be faster, not different-strategy
  • All three co-founders still active 13 years in — here's why

Founder interviews

YouTube

How Figma was built: design, AI, and the long path to product-market fit

Y Combinator March 13, 2025


Founder interviews 9
Product-market fit 7
AI strategy & adoption 5
  • AI lowers the design floor but can't yet produce well-designed output.
  • Figma's multiplayer bet was initially rejected — then became its defining feature.
  • More software being built makes designers more critical, not less.

AI tools & automation

YouTube

Vibe coding: how AI is reshaping software engineering roles

Y Combinator March 5, 2025


AI tools & automation 9
AI strategy & adoption 8
Hiring & recruitment 6
  • 25% of YC founders have over 95% AI-generated codebases
  • Taste and systems thinking now outrank writing code fast
  • Debugging and scaling still require classically trained engineers

AI tools & automation

YouTube

AI interface design patterns for the next decade

Y Combinator February 27, 2025


AI tools & automation 9
Design thinking 7
  • Latency is the interface — milliseconds determine whether AI feels human.
  • Canvas workflows make autonomous agent decisions visible and controllable.
  • Blurred previews and inline sources keep humans in the loop before costly steps.

Founder interviews

YouTube

How Perplexity competed with Google by betting on better AI

Y Combinator February 21, 2025


Founder interviews 9
AI strategy & adoption 7
Product-market fit 5
  • Google's ad model breaks when users stop clicking links
  • The 'dumb' LLM approach beat complex structured search at the right moment
  • Winning search means owning the full loop from question to fulfilled action

AI strategy & adoption

YouTube

How AI is reshaping enterprise software and why the TAM is expanding

Y Combinator February 19, 2025


AI strategy & adoption 9
Business models 7
Pricing strategy 5
  • Token costs converge to zero — the moat is software built on top
  • AI expands the TAM; it automates work that was simply never done
  • Fortune 500s are 1% into agents — the adoption curve is just starting

Origin stories

YouTube

How an outsider built the first independent supersonic jet

Y Combinator February 14, 2025


Origin stories 9
Business models 6
Identity & self-belief 5
  • Concorde failed on economics, not technology — and the fix was a spreadsheet
  • Outsider with no aerospace degree out-thought an entire industry
  • Passion over credentials: why founders should chase what they can't quit

Cash flow management

YouTube

How to spend startup money at each funding stage

Y Combinator February 12, 2025


Cash flow management 9
Business models 6
Product-market fit 6
  • Pre-PMF, money buys only time — it cannot find product market fit.
  • Hiring sales, marketing, or branding before PMF destroys the runway you need.
  • Revenue quality — not headcount or raises — determines survival at Series B.

AI strategy & adoption

YouTube

How to find AI startup ideas worth working on

Y Combinator February 7, 2025


AI strategy & adoption 9
Niche selection 8
Customer discovery 6
  • Your deepest expertise is worth more than any trending idea
  • Getting a job in an industry you want to automate actually works
  • Outsourced and boring jobs are the clearest automation targets right now

AI strategy & adoption

YouTube

Bob McGrew on AI agents, reasoning, and the path to AGI

Y Combinator January 31, 2025


AI strategy & adoption 10
Long-term planning 7
Case studies 6
  • Reasoning flips the reliability equation, making agents finally trustworthy enough to act.
  • Pre-training hit a data wall; test-time compute is the new scaling curve.
  • AI adoption lags because software linking capability to real workflows is missing.

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