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Y Combinator

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We help founders make something people want. Subscribe to our newsletter: http://yc.link/newsletter

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2025 was the year AI stopped feeling chaotic and started feeling buildable. On the @LightconePod, @garrytan, @harjtaggar, @sdianahu, and @snowmaker break down the surprises of the year, from shifting model dominance to why the real opportunity is moving back to the application…


Y Combinator gönderiyi yeniden yayınladı

Thrilled to launch RamaX: our platform for ultra-fast, accurate, and sensitive screening of massive binder libraries (from 1K to 1B minibinders, VHHs, or scFvs) in just 1-2 weeks. This method has been an absolute game-changer for us at @diffuse_bio. Internally, we’ve completely…

namrata_anand2's tweet image. Thrilled to launch RamaX: our platform for ultra-fast, accurate, and sensitive screening of massive binder libraries (from 1K to 1B minibinders, VHHs, or scFvs) in just 1-2 weeks.

This method has been an absolute game-changer for us at @diffuse_bio. Internally, we’ve completely…

Y Combinator gönderiyi yeniden yayınladı

If I could send my 18 year old self a message, it would have three parts: 1. Prestige is often mistaken. Follow curiosity instead. 2. There's no way to avoid hard work. It's not sufficient, but it is necessary. 3. Don't take your parents for granted.


Y Combinator gönderiyi yeniden yayınladı

"Make something people want" sounds obvious, but not doing it is the most common mistake founders make. I explained why I made it in the essay where I coined the term. I didn't understand the market I was building for, so I was wrong about what it wanted. paulgraham.com/bronze.html


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Deploying helpful robots as fast as possible It's both the point, and the moat Thanks to the LA Times for the highlight!

evan_wineland's tweet image. Deploying helpful robots as fast as possible

It's both the point, and the moat

Thanks to the LA Times for the highlight!

Humanoid robots from around the world converged on Silicon Valley to provide a glimpse of a potential future. In 2025, venture capital deals in U.S. humanoid robotics companies totaled nearly $2.8 billion.latimes.com/business/story…



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I get a lot of questions about what we do. So I spent $10K on this video to explain.


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NEWS: ⁦@fetiiai⁩ mentioned in ⁦@AustinStartups⁩ article covering largest mobility AI players Alongside ⁦@Uber⁩, ⁦@lyft⁩, ⁦@Waymo⁩, and ⁦@Teslablog.austinstartups.com/uber-lyft-waym…


In just two years, Salient has hit $25M ARR—with zero customer churn and 100% of pilots converting to paid deals. They're automating loan servicing for auto lenders (including 5 of the top 10), cutting costs by 50% and delivering 30x better compliance. fortune.com/2025/12/18/sal…


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I'm incredibly proud that Flock Safety played a key role in working with first responders to find the suspect in the Brown and MIT murders. America cannot tolerate tragedies like what we saw at Brown and MIT this past week. The single best way to curb crime is to make sure…


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We added $7 million in additional ARR in the last 24 hours. That’s more than our total combined ARR in 2023 and 2024. Huge credit to our customers for their trust, and to the @WeAreLegora team for executing with focus, passion and urgency. On to 2026!

MaxJunestrand's tweet image. We added $7 million in additional ARR in the last 24 hours.

That’s more than our total combined ARR in 2023 and 2024.

Huge credit to our customers for their trust, and to the @WeAreLegora team for executing with focus, passion and urgency.

On to 2026!
MaxJunestrand's tweet image. We added $7 million in additional ARR in the last 24 hours.

That’s more than our total combined ARR in 2023 and 2024.

Huge credit to our customers for their trust, and to the @WeAreLegora team for executing with focus, passion and urgency.

On to 2026!
MaxJunestrand's tweet image. We added $7 million in additional ARR in the last 24 hours.

That’s more than our total combined ARR in 2023 and 2024.

Huge credit to our customers for their trust, and to the @WeAreLegora team for executing with focus, passion and urgency.

On to 2026!

Y Combinator gönderiyi yeniden yayınladı

It’s the golden age for startups that turn latent LLM capability and intelligence into actual adoption Will be like working on mobile apps in 2009 or the web in 2003


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30% of this list are YC startups 🫡 In the coming years we will work hard to get to 50%

2025’s fastest-growing software vendors 🔥 Our customers poured spend into this top 50 list.

brexHQ's tweet image. 2025’s fastest-growing software vendors 🔥 Our customers poured spend into this top 50 list.


Congrats to @FINNYAI on their $17M Series A! The $90T+ wealth management industry still prospects with tools built for other industries, with advisors spending ~60 hours on cold outreach to convert one client. Finny's AI matches advisors with high-intent prospects, helping…

ycombinator's tweet image. Congrats to @FINNYAI  on their $17M Series A!

The $90T+ wealth management industry still prospects with tools built for other industries, with advisors spending ~60 hours on cold outreach to convert one client. 

Finny's AI matches advisors with high-intent prospects, helping…

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FINNY has raised $17M Series A led by @Venrock. We're building the organic growth engine for financial advisors - helping them find the right clients at the right time, with the right message. 400+ firms. 50x growth. Just getting started.

FINNYAI's tweet image. FINNY has raised $17M Series A led by @Venrock.

We're building the organic growth engine for financial advisors  - helping them find the right clients at the right time, with the right message. 

400+ firms. 50x growth. Just getting started.

Y Combinator gönderiyi yeniden yayınladı

Big fusion news out today - exciting! What excites me most is that we're building at @Helion_Energy. The world's first fusion power plant is taking shape in central Washington. We shared this photo yesterday and it's already out of date!

Dkirtley's tweet image. Big fusion news out today - exciting! 

What excites me most is that we're building at @Helion_Energy. The world's first fusion power plant is taking shape in central Washington. 

We shared this photo yesterday and it's already out of date!

Y Combinator gönderiyi yeniden yayınladı

1/ We just raised $2.7M to give AI "hands" to do real work. 🚀 Browser automation has been broken for 20 years. If a button moves 10 pixels, your script breaks. Meet Skyvern: The open-source agent that fixes the "maintenance tax" of automation.


Y Combinator gönderiyi yeniden yayınladı

Introducing /agent by Firecrawl 🪄 Just describe what you need - with or without a URL then /agent searches, navigates, and gathers information from the widest range of websites, reaching data no other API can. Try out the research preview today.


Y Combinator gönderiyi yeniden yayınladı

@DoorDash is now partnering with @OpenAI to bring grocery shopping directly into ChatGPT. You can now turn a recipe idea instantly into a shoppable grocery list in the chat and seamlessly check out on DoorDash for on-demand delivery.

andyfang's tweet image. @DoorDash is now partnering with @OpenAI to bring grocery shopping directly into ChatGPT. You can now turn a recipe idea instantly into a shoppable grocery list in the chat and seamlessly check out on DoorDash for on-demand delivery.

.@ExtendHQ's new /edit API enables filling out any PDF. It's already being used by F500 companies to automate even the most complex document layouts. extend.ai/resources/intr…


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