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.
The Forward Deployed Engineer playbook for AI startups
Y Combinator
September 8, 2025
Business models
9
Customer discovery
8
Hiring & recruitment
6
Why AI agents demand Palantir's costly field-deployment model
FDE model turns consulting risk into a compounding product moat
Sell outcomes, not software — and price against value delivered
Founder interviews
YouTube
How Michael Truell built Cursor from failed ideas to $100M ARR
Y Combinator
September 3, 2025
Founder interviews
10
Pivoting
7
AI strategy & adoption
6
Nobody else was building for a world where AI handles all coding.
Three failed products in 2022 preceded the pivot to a general code editor.
$1M to $100M ARR in one year driven purely by product improvement.
Founder interviews
YouTube
How a 25-year-old built a $675M legal AI startup with no legal background
Y Combinator
August 26, 2025
Founder interviews
9
AI strategy & adoption
7
LLMs broke legal tech's equilibrium — firms are now forced to adopt AI
No legal background required: interview 100 users before writing code
Out-ship incumbents by routing model complexity to query complexity
Founder interviews
YouTube
How Tom Brown went from GPT-3 to co-founding Anthropic
Y Combinator
August 19, 2025
Founder interviews
10
Business models
6
AI strategy & adoption
6
Scaling laws convinced the team: more compute reliably equals more intelligence.
Claude Code started as an internal hack — surprise product-market fit followed.
Power, not chips, is now the hardest bottleneck for AI infrastructure.
B2B sales progression for founders: from design partnerships to recurring revenue
Y Combinator
August 15, 2025
B2B sales
10
Closing techniques
7
Customer experience
5
Why unpaid design partnerships stall founders for months without revenue
One sales process that auto-converts into a recurring contract
Time to first value is the single biggest lever for pilot conversion
Dylan Field on scaling Figma and the future of design
Y Combinator
August 8, 2025
Business models
8
Product-market fit
7
Founder interviews
6
As AI lowers dev costs, design becomes the primary competitive edge
Microsoft's internal spread of Figma revealed product-market pull five years in
Designers should lead AI model evals — they know users better than researchers
Founder interviews
YouTube
Agentic AI for Wall Street: Lessons from three YC companies
Y Combinator
July 31, 2025
Founder interviews
9
AI strategy & adoption
7
Hiring & recruitment
5
Financial firms shifted from AI testing to signed contracts in one year.
Building agentic systems for yourself first is the best product discovery.
Persevere only when logic supports it — not from blind stubbornness.
AI strategy & adoption
YouTube
Scaling laws, compute, and the path to human-level AI
Y Combinator
July 29, 2025
AI strategy & adoption
9
Long-term planning
6
Task horizon length doubles every seven months — hours today, years soon
Scaling laws are as precise as physics, spanning five orders of magnitude
Human-level AI needs memory and oversight, not a fundamental breakthrough
How to build a startup brand that stands out and converts
Y Combinator
July 25, 2025
Branding
9
MVP & prototyping
6
Copywriting
6
Your early website should be specific and simple, not polished.
Homepage is a filter — speak to your ideal early adopter only.
Animate to guide attention, never to decorate or fill space.
AI tools & automation
YouTube
Building general-purpose robots that work anywhere, on any task
Y Combinator
July 22, 2025
AI tools & automation
10
Iteration & feedback loops
7
Business models
5
Pre-train broadly, fine-tune on curated data — scale alone fails
Robots generalized to unseen homes with only 2.4% mobile manipulation data
Synthetic prompts from VLMs unlock open-ended human-robot conversation
How Replit grew from a coding tool to an AI app-building platform
Y Combinator
July 17, 2025
Case studies
9
AI strategy & adoption
8
Pivoting
7
Why Replit nearly failed before Claude 3.5 saved the pivot
Sampling parallel agents beats one senior engineer every time
Vertical SaaS is in trouble; ideas become the new bottleneck
AI strategy & adoption
YouTube
How AlphaFold used AI to transform protein structure prediction
Y Combinator
July 15, 2025
AI strategy & adoption
8
Case studies
7
Research ideas were worth 100x more than raw training data
Open database of 200M predictions unlocked trust among non-expert biologists
AlphaFold works best as a hypothesis generator, not an experiment replacement
Founder interviews
YouTube
Aravind Srinivas on building Perplexity and betting on the browser
Y Combinator
July 11, 2025
Founder interviews
10
Business models
7
AI strategy & adoption
6
Google's ad model structurally prevents it from giving good answers.
The browser is the only platform where persistent AI agents can truly run.
Speed and brand identity — not features — are a startup's real moat.
How AI is enabling startups to build and iterate faster
Y Combinator
July 10, 2025
PR & media
9
Public speaking
6
Prototype speed is 10x faster — rebuild the codebase freely.
Engineering is no longer the bottleneck; product judgment is.
One wrong AI architecture decision can cost 10x in wasted time.
Building real things: how to thrive in tech during the AI era
Y Combinator
July 8, 2025
Niche selection
9
AI strategy & adoption
7
Identity & self-belief
6
CS majors now face higher unemployment than art history majors.
Tiny AI teams reach eight-figure revenue in months — unprecedented.
Agency and domain curiosity beat credentials in the AI era.