Etiquetas: Y Combinator

At a Y Combinator event on Tuesday night, OpenAI CEO Sam Altman announced a novel financing deal: each of the 169 companies in the current batch will receive $2 million worth of OpenAI tokens in exchange for equity via an uncapped SAFE. The move, designed to lower AI infrastructure costs and tether startups to OpenAI’s platform, has sparked both enthusiasm and caution among founders and investors. Leer más

Sam Altman, chief executive of OpenAI, faced a California federal judge on Tuesday as part of a lawsuit backed by Elon Musk that questions his suitability to oversee the most advanced artificial‑intelligence models. The hearing, which revisits Altman’s 2023 congressional testimony, focused on his financial ties to OpenAI, his credibility, and whether the nonprofit board truly controls the for‑profit arm of the company. Witnesses from former board members to Microsoft executives weighed in, while the judge and jury considered the broader governance structure of the AI firm. Leer más

Y Combinator CEO Garry Tan unveiled an open‑source Claude Code configuration called gstack, sharing it on GitHub under an MIT license. The project quickly amassed thousands of stars and forks, drawing enthusiastic support on platforms like Product Hunt. At the same time, the release provoked criticism from developers who dismissed it as merely a collection of prompts and questioned its novelty. Expert AI models, including Claude, ChatGPT and Gemini, offered largely positive assessments, describing gstack as a sophisticated prompt workflow. The mixed reaction highlights both excitement and skepticism surrounding AI‑augmented coding tools. Leer más

AgentMail, a San Francisco‑based startup, announced a $6 million seed round led by General Catalyst with participation from Y Combinator and several angel investors. The company offers an API platform that gives AI agents dedicated email inboxes, supporting two‑way conversations, threading, labeling, searching and replying. Since its launch, AgentMail has attracted tens of thousands of human users, hundreds of thousands of AI agents, and more than 500 B2B customers. The service includes safeguards against abuse, such as sending limits and rate‑monitoring, and positions email as an identity layer for autonomous agents. Leer más

Harper, an AI-native commercial insurance brokerage founded by Dakotah Rice and Tushar Nair, announced a $46.8 million combined Series A and seed round. Launched in 2024 as part of Y Combinator's W'25 batch, the company uses artificial intelligence to automate underwriting, document collection, and pipeline management, allowing it to serve more than 5,000 small- and mid-sized businesses across 160 carriers. Investors include Y Combinator, Peak XV Partners, and Emergence Capital. The new capital will expand Harper’s engineering team and brand, positioning the firm to become a central risk and compliance partner for entrepreneurs in middle America. Leer más

AI testing startup Momentic announced a $15 million Series A round led by Standard Capital, with participation from Dropbox Ventures and existing backers including Y Combinator, FCVC, Transpose Platform and Karman Ventures. The funding follows a $3.7 million seed round and will support product expansion such as mobile‑environment testing and deeper test‑case management. Co‑founders Wei‑Wei Wu and Jeff An, veterans of Qualtrics and WeWork, say the AI‑powered platform lets users describe critical flows in plain English and automatically creates tests. Momentic now serves roughly 2,600 users, counting customers like Notion, Xero, Bilt, Webflow and Retool. Leer más

AI startup Mem0 has raised $24 million in a funding round led by Basis Set Ventures, with participation from Peak XV, Y Combinator, and other investors. The company offers a model‑agnostic memory framework that lets developers store, retrieve, and evolve user data across large language models and applications. Mem0’s open‑source API has garnered over 41,000 GitHub stars and more than 13 million Python package downloads, while its cloud service serves over 80,000 developers and processes hundreds of millions of API calls. The startup positions itself as a neutral, interoperable memory layer for the growing AI ecosystem. Leer más

Alex, an AI‑driven recruiting startup, announced a $17 million Series A financing led by Peak XV Partners with participation from Y Combinator, Uncorrelated Ventures and several chief human resources officers. The funding follows a $3 million seed round and will be used to expand its voice‑AI platform that conducts autonomous screening interviews for employers. Co‑founder Aaron Wang, a former Facebook engineer, says the technology can handle thousands of interviews daily, delivering richer candidate profiles than traditional résumé data. Competitors include HeyMilo, ConverzAI and Ribbon. Leer más

Emergent, a startup that lets non‑technical users create mobile apps through AI‑driven prompts, announced a $23 million Series A funding round led by Lightspeed. The round also included participation from Y Combinator, Together and several high‑profile angels. Emergent’s platform abstracts the entire software development lifecycle, handling everything from code generation to deployment and bug fixing. Since its launch, more than 1 million people have built over 1.5 million apps on the service. The company aims to broaden its capabilities, including a forthcoming native mobile client and new tools for ideation and discovery. Leer más

Google Cloud announced that AI coding startups Lovable and Windsurf have chosen the platform as their primary cloud provider. The deals highlight Google Cloud’s strategy to attract fast‑growing generative‑AI firms, leveraging its Gemini models, Nvidia GPU clusters, and generous startup credit programs. This expansion adds to Google Cloud’s recent revenue growth and underscores its push to compete more aggressively with rivals AWS and Microsoft Azure. Leer más

Numeral, a sales‑tax compliance startup founded by Sam Ross, announced a $35 million Series B financing round led by Mayfield, with participation from Benchmark, Uncork Capital, Y Combinator and Mantis. The funding values the two‑year‑old company at $350 million and will accelerate its AI‑driven platform that automates tax collection, filing and payment for e‑commerce and SaaS businesses across thousands of jurisdictions. Numeral’s growth includes a 3.5‑times revenue increase over the past year and a client base exceeding 2,000 firms, positioning it against incumbents such as Avalara. Leer más

Rulebase, a Y Combinator‑backed startup founded by Nigerian engineers Gideon Ebose and Chidi Williams, has closed a $2.1 million pre‑seed round led by Bowery Capital. The company’s AI “agent coworker” automates back‑office functions such as compliance, quality assurance and dispute handling for financial‑service firms. Already deployed at U.S. business bank Rho and a Fortune 50 financial institution, the platform integrates with tools like Zendesk, Jira and Slack, evaluates 100 % of customer interactions, and claims cost reductions of up to 70 % and escalation cuts of up to 30 %. Rulebase plans to expand its workflow automation into fraud investigation, audit preparation and regulatory reporting. Leer más

Replit announced a $250 million financing round that lifts its valuation to $3 billion. The round was led by Prysm Capital with participation from Amex Ventures and Google’s AI Futures Fund, while earlier backers such as Y Combinator, Andreessen Horowitz, and Coatue also took part. The company reports an annualized revenue surge from $2.8 million to $150 million in less than a year, surpassing the $100 million ARR reported in June. Replit’s deep ties to Google Cloud and its recent inclusion on Microsoft Azure highlight its expanding platform ecosystem. Leer más

CoreWeave, a cloud provider for large‑scale AI model training, announced an agreement to acquire OpenPipe, a Y Combinator‑backed startup that offers tools for building customized AI agents through reinforcement learning. The deal aims to combine OpenPipe’s open‑source agent‑training toolkit with CoreWeave’s high‑performance infrastructure, giving developers a stronger platform for scalable intelligent systems. Terms of the acquisition were not disclosed. The move follows CoreWeave’s recent purchase of the AI developer platform Weights & Biases, signaling a broader strategy to move down the AI stack and serve both major labs and smaller enterprises. Leer más

Human Behavior, founded by 20‑year‑old Amogh Chaturvedi and his 22‑year‑old co‑founders Skyler Ji and Chirag Kawediya, has closed a $5 million seed round backed by General Catalyst, Paul Graham, Vercel Ventures and Y Combinator. The startup leverages vision AI to watch user session replays, automatically generating insights that replace manual event tracking used by tools like Mixpanel and PostHog. Its early customers—fast‑moving Series A and B startups—receive daily summary emails on feature usage, bugs and churn. The founders aim to become the “Datadog of session replay,” expanding the platform into multiple products. Leer más