Y Combinator
Y Combinator (YC) is an American technology startup accelerator launched in March 2005. YC has invested in nearly 3,000 companies.
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AI Code Verification Startup Blacksmith Closes $45 Million Series B Round, Led by Peak XV Partners
According to TechCrunch, AI code verification startup Blacksmith announced the completion of a $45 million Series B funding round, led by Peak XV Partners, with participation from GV and Y Combinator, valuing the company at $550 million.
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OpenAI Special Projects Lead Brad Lightcap to Depart, Core Executive Role Previously Held as COO Undergoes Multiple Adjustments
Odaily News: Brad Lightcap, Special Projects Lead and former Chief Operating Officer (COO) at OpenAI, is set to leave the company. Over the past year, Lightcap's responsibilities at OpenAI have been adjusted multiple times, with his most recent role being in charge of "special projects."Lightcap has long been a core member of OpenAI's management team. Earlier in 2026, during a company executive reshuffle, he transitioned from the COO position to lead special projects, overseeing cross-company matters including complex deals and strategic investments, reporting directly to CEO Sam Altman. His departure comes at a time when OpenAI is continuously expanding its commercialization efforts, advancing enterprise business, and pursuing strategic partnerships. Previously, the company had undergone multiple rounds of organizational restructuring, including transferring some COO responsibilities to other executives.Brad Lightcap joined OpenAI in 2018, having previously worked at Y Combinator and JPMorgan. He has been one of the key operations and business leaders during OpenAI's transformation from a research institution into a commercial AI company. (The Information)
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River Markets Completes $8.5M Seed Round Led by Haun Ventures
Odaily News – River Markets, a startup building trading infrastructure for prediction markets, has announced the completion of an $8.5 million seed funding round, led by Haun Ventures with participation from Y Combinator, Coinbase Ventures, and Qube Research Technologies, among others. The new capital will primarily be used to expand the engineering team, enhance trading system speed and security, and grow institutional clientele, while also developing new tools to support large-scale capital management and cross-platform trading.In recent years, prediction markets have drawn attention from institutional investors. Data from industry platforms shows that institutional trading demand is growing rapidly. For example, prediction market platform Kalshi previously stated that its institutional trading volume increased by approximately 800% within six months. Meanwhile, market participants have begun using prediction markets for risk hedging, including building trading positions around real-world economic variables such as carbon emission allowances and GPU rental prices. (Fortune)
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River AI Completes $1.1 Billion Financing, NVIDIA and AMD Participate in Investment
According to River AI's announcement, River AI, founded by xAI co-founder Igor Babuschkin, has completed a $1.1 billion financing round led by General Catalyst and AMP, with strategic investment from NVIDIA and AMD. Other investors include Y Combinator and Temasek.
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River AI Raises $1.1 Billion in Funding with Participation from Nvidia and AMD
Odaily News: River AI, founded by xAI co-founder Igor Babuschkin, has announced a $1.1 billion funding round, led by General Catalyst and AMP PBC, with participation from Nvidia and AMD. The round also includes strategic investments from Y Combinator and Temasek.
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AI personal assistant company Pally completes $5.2 million in funding, led by Cyber Fund and Y Combinator
Odaily Odaily News: AI personal assistant startup Pally has announced the completion of a $5.2 million funding round, led by Cyber Fund and Y Combinator, with participation from Pioneer Fund, Founders Inc, 468 Capital, and angel investors. The company is valued at $30 million and primarily provides AI personal assistant services through an SMS interface. Pally was launched in 2025, with its latest version released in June, and can sync with platforms such as Gmail, Outlook, Slack, Granola, and Notion. After user authorization, Pally can book flights, manage inboxes, reply to messages, and reserve restaurant tables. Pally uses Anthropic's Claude, OpenAI's ChatGPT, as well as open-source models such as Kimi K3 and GLM 5.2. Co-founder Haz Hubble stated that the company will not sell user data or use related data to train models. (Business Insider)
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Robinhood Launches $200 Million RVII Fund, Focusing on Y Combinator Seed-Stage Startups
According to Tech Funding News, Robinhood announced filing an IPO application for its second venture capital fund, Robinhood Ventures Fund II (RVII), planning to raise up to $200 million, issuing 7.6 million shares, priced at $25 per share, expected to list on the New York Stock Exchange under the ticker "RVII" on August 13. RVII will focus on investing in seed-stage startups founded by Y Combinator incubatees or alumni, currently holding equity in 80 private companies. Unlike the first fund (RVI), RVII charges a 2% annual management fee and a 20% performance incentive fee, with a comprehensive annual fee rate of approximately 4.18%; Robinhood itself classifies the fund as a "speculative" product, offering no shareholder redemption rights. Goldman Sachs serves as the lead underwriter, with Citigroup, JPMorgan Chase, UBS, and Wells Fargo as co-underwriters; the subscription window will close on August 12.
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Enterprise AI Agent Company HappyRobot Completes $150 Million Series C Financing, with Participation from a16z and Others
According to TechfundingNews, enterprise-level AI agent company HappyRobot announced the completion of a $150 million Series C funding round, co-led by Prysm Capital and Eurazeo, with a16z, Base10, and Y Combinator continuing to invest. Other strategic investors include Koch Disruptive Technologies, Orange, and T.Capital under Deutsche Telekom, among others. HappyRobot focuses on utilizing AI agents to automatically handle complex, multi-step business coordination tasks, reducing manual coordination costs. Following this funding round, its total funding amount is approximately $200 million, and the company's valuation has reached $1.2 billion, officially joining the ranks of "unicorns".
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Y Combinator Open-Source Multi-Agent Work Platform QM, Supports Slack and Web Deployment
Y Combinator announced the open-source release of its internal multi-agent framework QM (quartermaster) under the MIT license. QM is designed for organizational collaboration scenarios, runs on Slack and the Web, and can be used for tasks such as searching internal materials, handling emails, managing code repositories, and tracking projects.
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Jensen Huang's First X Post: Over 20 Institutions Including NVIDIA Sign Joint Letter Supporting Open-Weight AI Models
NVIDIA CEO Jensen Huang has published his first post on X, sharing an open letter titled "Open Weight and American AI Leadership," jointly signed by more than 20 technology companies and institutions, including NVIDIA.The open letter argues that open-weight models can expand economic access to AI, enhance market competition, and grant users more control. Signatories include Meta, Microsoft, Andreessen Horowitz, Hugging Face, IBM, Mistral AI, Palantir, Perplexity, Mozilla, Y Combinator, among others.The letter states that while open-weight models carry risks, they should not be restricted through bans. Instead, openness should be leveraged to advance AI safety and cybersecurity capabilities. Huang noted: "The world needs cutting-edge closed-source models, and it also needs cutting-edge open models."
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YC and Other US AI Startups Jointly Oppose Restrictions on Chinese Open-Weight AI Models Like Kimi, Qwen
According to Politico, nearly 200 Silicon Valley companies, including Proton, Y Combinator, and others, wrote to the Trump administration opposing restrictions on U.S. companies' access to Chinese open-weight AI models. The letter was initiated by the newly formed "Small Tech Association," with recipients including Trump, U.S. Secretary of Commerce Howard Lutnick, and Director of the White House Office of Science and Technology Policy Michael Kratsios.
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MoonPay Acquires Crypto Deposit Startup Glide, Expands On-Chain Fund Access Capabilities
MoonPay announced the acquisition of Y Combinator-backed crypto deposit startup Glide via an all-stock transaction, with the specific deal size undisclosed. Founded in 2023, Glide primarily provides crypto asset deposit solutions across tokens, wallets, exchanges, and bank cards, supporting over 100 tokens and 30 blockchain networks, with an annualized trading volume exceeding $100 million.
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Indian AI startup Emergent raises $130 million Series C funding, valuation reaches $1.5 billion
Indian AI coding startup Emergent has completed a $130 million Series C financing round, with a post-money valuation reaching $1.5 billion, representing a significant increase from its $300 million valuation during its Series B round in January this year. The round was led by Creaegis, with participation from Khosla Ventures, SoftBank Vision Fund 2, Lightspeed, Y Combinator, and others, bringing the company's total cumulative funding to $230 million.
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AI Compliance Infrastructure Company Hadrius Raises $27 Million, Led by CRV
AI compliance infrastructure company Hadrius has announced the completion of a $27 million Seed and Series A funding round, led by CRV, with participation from Y Combinator, Pathlight Ventures, as well as founders of Altruist, Jump AI, and FINNY. The new funds will be used to build AI-native compliance infrastructure for the financial services industry, leveraging Agentic AI technology to integrate scattered compliance reviews, risk monitoring, and regulatory document management into a single intelligent workflow. (Prnewswire)
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YC Partner Tom Blomfield Announces Departure from Y Combinator, Joining Anthropic
YC Partner and Monzo Co-founder Tom Blomfield announced he is temporarily leaving YC to join Anthropic. He will work with Co-founder Tom Brown and be responsible for compute-related work.
AI Agent infrastructure layer Orthogonal completes $4.3 million seed round led by Pantera Capital
Odaily reports: AI Agent infrastructure layer project Orthogonal has announced the completion of a $4.3 million seed funding round, led by Pantera Capital, with participation from Y Combinator, Pioneer Fund, Decasonic, Blast Club, Outbound Capital, Rice Capital, Surreal by Premise, Batch Ventures (CTO Fund), and others.The project primarily builds infrastructure for AI Agents, enabling instant capability discovery, orchestration, and payments, allowing agents to dynamically obtain necessary tools and complete on-chain transactions without human intervention.
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AI Agent infrastructure Orthogonal completes $4.3 million seed funding round, led by Pantera Capital
: AI Agent infrastructure project Orthogonal announced the completion of a $4.3 million seed funding round, led by Pantera Capital, with participation from Y Combinator, Pioneer Fund, Decasonic, Blast, Outbound, Surreal, and other institutions.Orthogonal positions itself as the underlying internet discovery, orchestration, and payment infrastructure for AI agents. The platform provides AI Agents with a full suite of capabilities including service discovery, cross-tool automated task orchestration, and on-chain instant payments. It is reported that the funds raised in this round will be used for core platform iterative development, expanding the engineering and marketing teams, continuously growing the platform's developer base, and improving the interconnected AI Agent ecosystem. (Prnewswire)
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AI financial compliance infrastructure Flagright completes $12.5 million Series A funding round with participation from Y Combinator and others
: AI-powered financial compliance infrastructure Flagright announced the completion of a $12.5 million Series A funding round, led by Infinity Ventures, with participation from Y Combinator, Sella Direct Ventures, and existing investor Frontline. The proceeds will be used to drive its expansion in the "explainable AI compliance" scenario, accelerate its market presence in the United States, and strengthen its position as an enterprise-grade standard in the field of financial crime compliance. Flagright stated that financial crime compliance is entering a phase of platform transformation. Banks, payment firms, lending institutions, and brokerages are facing higher transaction volumes, stricter regulations, and more sophisticated financial crime methods, while traditional compliance systems can no longer meet current demands. (PRNewswire)
Y Combinator: Clarity Act Could Drive Crypto Integration Across All YC Portfolio Companies
Odaily Planet Daily reported that renowned startup accelerator Y Combinator stated that in the future, all of its portfolio companies may utilize crypto technology, particularly infrastructure like stablecoins, and this will not be limited to crypto or fintech startups.YC has previously invested in early-stage companies such as Airbnb, DoorDash, Coinbase, Stripe, Reddit, OpenAI, and Kalshi. Its latest statement primarily urges the U.S. Congress to pass the crypto market structure bill, the "Clarity Act."YC believes that for the crypto industry to enter a new phase, it must achieve deeper integration with traditional financial institutions such as banks and brokerages. The Clarity Act is expected to provide the regulatory foundation for this integration. The bill aims to clarify whether digital assets are securities or commodities, establish a registration pathway with the CFTC, and stipulate that customer assets belong to the customers in the event of bankruptcy.However, the prospects for the bill remain uncertain. Supporters argue that it has a bipartisan foundation, while opponents point out limited support from Democrats, the approaching midterm elections, and ethical controversies arising from Trump's direct association with the crypto industry. These factors could all increase legislative resistance.
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YC-backed prediction market derivative layer Totalis has officially launched, supporting parlay trading
yesterday, YC official posted on X platform that the prediction market derivative layer Totalis has officially launched. The market allows users to conduct parlay trades on any subject, combining multiple event markets (such as politics, cryptocurrency, stocks, sports, weather, and macro) into a single trade. Starting with parlay bets, it will expand to structured products.Previously, Totalis completed a $500,000 seed round in April, with Y Combinator participating. It is also the first enterprise to receive Y Combinator investment entirely in USDC, with the funds settled via the Solana network and custodied by Ramp.
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