@sdianahu profile picture
Diana @sdianahu

partner @ycombinator

Joined May 2008
  • Posts 641
  • Following 505
  • Followers 18,539
44 Photos and videos
something interesting is happening for big models, it is easy to generate candidate solutions for code but *verifying* that they 100% work is not no fixed reward function is durable for a strong generator more exciting work to be done around verifiers that coevolve with generators
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context that is the way
Luis Paarup
 @PaarupLuis
Jun 30
If you assume the key to successfully deploying enterprise AI is model capability, you're thinking about it the wrong way. Most models are capable enough. The problem is the context that's missing - the exceptions nobody documents and the judgment calls that live in people's heads. Basically, the kind of knowledge that isn't in any dataset. The only way to capture it is through execution. The systems that do the work are the systems that learn the business.
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fable is back! life is good
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Diana reposted
Paul Graham
 @paulg
Jul 1
Y Combinator makes something people who make something people want want.
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the current AI research roadmap is tackling long horizon tasks and @reductoai leading the way with solving long document extraction with these results
Adit
 @aditabrm
Jun 30
Many companies are #1 in a benchmark they crafted. We worked with @micro1 to create an independently audited benchmark to measure document extraction performance with long documents. The results of LongExtractBench show the nuances companies are likely to find in the real world. micro1 tested frontier models with max reasoning and document processing platforms with their strongest configurations, and found notable precision/recall and completion tradeoffs across most. Reducto’s Deep Extract leads the industry by a wide margin. 🧡
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Diana reposted
Y Combinator
 @ycombinator
Jun 29
Avoca (W23) is building what it calls the AI workforce for the physical economy, starting with home services. In just a few years, the company has grown to eight figures in revenue and recently raised over $125 million at a $1 billion valuation. In this fireside, co-founders @apurvas96 and @thetysonchen sit down with @garrytan to share how they found product-market fit by helping businesses turn missed calls into revenue. They explain why AI is expanding what software can do, pushing past the 1% of wallet that traditional software captures, and why they see it as one of the biggest opportunities for founders. 01:28 - Finding the Right Market 03:25 - Why AI Is Bigger Than SaaS 06:59 - The AI Job Story Nobody Talks About 11:53 - How the Founders Met 16:59 - The Pivot 21:47 - Customer Love Beats Market Size 25:31 - Building an AI Workforce 29:35 - Why Customer Obsession Wins 34:12 - Growing to Eight Figures 37:22 - The Vision Beyond Home Services 38:54 - Building a Generational Company
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thx for coming to the s26 kickoff @aditabrm and sharing lessons on enterprise sales for AI products
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most LLMs benchmarks score output, but not many measure the path to get there be interesting to see more grading for reasoning traces
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Diana reposted
Adit
 @aditabrm
Jun 23
i'm hosting a small dinner with the best founders in difficult vertical ai spaces on 7/1- finance, healthcare, legal, and more. it'll be great to share notes on building trust, enterprise sales, and more! dm me or comment for the invite
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Diana reposted
Y Combinator
 @ycombinator
Jun 23
When electric motors were invented, factories didn't become dramatically more productive overnight. The biggest gains came years later, after people redesigned factories around the new technology. @databricks co-founder and Chief Architect Reynold Xin (@rxin) believes AI is creating a similar shift in software. In this fireside with YC's @sdianahu, Reynold explains how AI agents are reshaping engineering organizations, why startups have an advantage in building AI-native products, and why the next generation of infrastructure needs to be lightweight, scalable, and built for agentic workloads from day one.
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Diana reposted
Y Combinator
 @ycombinator
Jun 22
The best way to learn AI is to work at an AI startup. On August 15, we're inviting ambitious students to YC HQ to meet founders and engineers from 50 YC companies. Roam the expo hall to meet founders (and collect swag), startups pitch you, interview onsite, and land your Summer 2027 internship – co-ops and more.
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an underrated source of good startup devtool ideas: taking an old boring API, then make it angent native oss and have LLMs default to recommending it proved by this paper 2 yrs ago
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arxiv.org/abs/2305.15334

Gorilla: Large Language Model Connected with Massive APIs

Large Language Models (LLMs) have seen an impressive wave of advances recently, with models now excelling in a variety of tasks, such as mathematical reasoning and program synthesis. However,...

arxiv.org
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watch our og startup sites be roasted then fixed by @ployai
Y Combinator
 @ycombinator
Jun 19
Bryant Chou (@bryantchou) co-founded Webflow, which today powers around 1% of all websites on the internet. Now he's back in the current YC batch with @ployai, an AI-powered website and marketing platform that doesn't just build your site β€” it connects to your analytics, CRM, and search console to optimize your marketing while you sleep. In this episode of the @LightconePod, he explains how he built Ploy to be β€œanti slop,” how building today compares to his first startup, and why founders with domain expertise are making a comeback. 0:45 β€” What Ploy Is Building 2:21 β€” Redesigning Old YC Startup Websites 6:01 β€” Better Design, Better Storytelling 7:08 β€” Democratizing Marketing and Growth 10:39 β€” Rebuilding a Website in 75 Seconds 14:04 β€” Your Website as a Company Brain 18:23 β€” Building the Anti-Slop Design Engine 21:01 β€” Why Bryant Came Back to the Web 24:04 β€” Building in a Competitive Market 27:55 β€” The Future of AI-Native Marketing 34:18 β€” Why Experienced Founders Have an Edge
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Diana reposted
TBPN
 @tbpn
Jun 18
The biggest trend @sdianahu is seeing in this year's YC Demo Day batch is startups reaching seven figures in revenue just three months after launch. "It's become more common for companies to go from zero to seven figures in revenue within just three months." "The best companies back then would grow 10% week over week, which is what Airbnb did. That would get them to a couple hundred thousand in ARR, which is a very good accomplishment back then." "But now companies get to seven figures because they're able to build a more mature product a lot quicker with agentic coding."
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excited to have @golda and @greybaker join as GPs who have a deep tech bench
Y Combinator
 @ycombinator
Jun 16
We're excited to announce Christopher Golda (@golda) and Grey Baker (@greybaker) as YC's newest General Partners! Chris co-founded BackType (S08), sold it to Twitter, then built their entire ad business from zero to $1B in revenue. Grey co-founded Dependabot, a developer tool a million engineers rely on every single dayβ€” and sold it to GitHub. Then he co-founded Pincites (S23), which was acquired by Filevine. As Visiting Partners, both have already spent multiple batches working closely with founders. Now they're doing it full-time. ycombinator.com/blog/chris-g…
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Diana reposted
Nicolas Dessaigne
 @dessaigne
Jun 17
I was 37 when I did YC and it transformed my company
Brad Flora
 @bradflora
Jun 17
YC is absolutely YC for 35 founders. We fund many founders in that bracket every batch and will continue to. If you want to build a huge fast-growing company alongside a peer group of the most ambitious people in the planet, you should apply to YC regardless of age. If your team seems awesome and serious we will want to talk to you.
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woah first time oss models are leading
Design Arena
 @Designarena
Jun 16
BREAKING: GLM-5.2 is now 1st on Design Arena. With an Elo of 1360, GLM-5.2 has jumped ahead of the now unavailable Claude Fable 5. And it's open weights. This is an improvement of 4 positions and 27 Elo points to achieve one of the highest Elo scores in our code categories since Design Arena started. Huge congratulations to the @Zai_org on the release!
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kudos to all the P26 companies!
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Diana reposted
Zeno Rocha
 @zenorocha
Jun 16
today is YC Demo Day. back in 2023, our Demo Day goal was $10k MRR. we ended up at $2k... a reminder that your destiny is not determined by a 3-month sprint. still, going through @ycombinator was the best thing we could have done. always set scary goals for yourself.
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