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Y Combinator CEO Garry Tan revealed he spends $100K–$200K a year on AI tokens, using AI agents extensively for work and personal tasks while sharing his open-source Claude Code skills (gstack) and cautioning that high costs remain a barrier to mainstream adoption.
YC F26 startup Cyclon is building an AI phone experience where users can simply ask for tasks to be done, including writing, testing, and installing new apps on demand, letting AI agents operate a smartphone like a human user.
Paul Graham warns that investor conversations can seriously distract startups, citing an example involving a YC company that already has an easier time fundraising than average.
VapiCon 2026 是一场为期两天的前沿语音 AI 峰会，将于 11 月在旧金山 Fort Mason 举办，汇集 Vapi、OpenAI、LangChain、Deepgram 等公司的 50 多位演讲者，探讨语音智能体的发展与未来。
Garry Tan describes his chaotic multi-thread workflow for developing gbrain, praising Capy's cross-thread coordination and 'virtual standup' conflict-avoidance features powered by GStack autoplan and eli5 for smooth parallel development.
Paul Graham shares insight from a long-tenured YC founder, arguing that the common belief startups succeed on one brilliant initial idea is a misconception—big ideas usually emerge later.
Y Combinator announced Vivian Midha Shen (co-founder of Juni Learning and Acely) and Raphael Schaad (founder of Cron, now Notion Calendar) as its newest General Partners. Both previously served as Visiting Partners and will now support YC companies full-time.
YC is co-hosting YC Cyber Night with CO Tool AI on October 15, featuring panelists from the security sector; RSVPs are limited and encouraged soon.
InsForge's InstaCloud, a Y Combinator-backed serverless cloud, is launched to address the ownership problem in agent-built apps by allowing AI agents to provision and run infrastructure while humans review changes.
InstaCloud introduces an agent-native serverless cloud platform backed by an $8M seed round, offering managed infrastructure with autoscaling and environment branching for AI agent development.
Vespper launches a new MCP tool for AI agents to edit Word documents, offering 3x faster performance, 2x cost reduction, and improved accuracy compared to existing solutions.
Wafer outperformed Cerebras on latency for YC's AI Office Hours, with GLM-5.2 achieving 379 ms versus 674 ms for Gemma 4, resulting in 44% lower latency and increased user engagement.
Vapi, a platform for building voice AI agents, now handles about a billion calls annually for major companies like Amazon and Uber. In a Y Combinator interview, co-founders discuss their path to product-market fit through numerous pivots and focusing on voice AI.
A tweet showcasing a construction robot at Y Combinator's demo day, highlighting automation in construction to address bottlenecks in building critical infrastructure like solar farms and data centers.
Brian Armstrong reflects on the early skepticism towards Coinbase, highlighting that Paul Graham and Y Combinator were early supporters.
The article discusses benchmarking LLMs and inference clouds for YC's conversational AI, highlighting GLM-5.2 on Wafer as the top performer in head-to-head tests.
Langdock, a fast-growing German AI startup, has moved its parent company from the US to Germany to enhance European sovereignty, address data protection concerns, and support its ambition to build a competitive AI platform amid rapid revenue growth.
Sam Altman states that good founders must continuously generate new ideas, citing a Y Combinator experiment where teams without initial ideas failed.
Fabraix HQ reached a $1.04 million annualized run rate within three months of joining Y Combinator, highlighting how AI agents are challenging conventional cybersecurity approaches.
A founder recounts running a skincare competition at Y Combinator demo day, scanning investors' skin issues, and receiving hundreds of inbound investor emails as a result.